Maharashtra State Board Class 7 Geography Solutions Chapter 2 The Sun, the Moon and the Earth

Class 7 Geography Chapter 2 The Sun, the Moon and the Earth Textbook Questions and Answers

1. Correct the wrong statements. Write down the corrected ones.

Question 1.
The moon revolves around the sun.
Answer:
Wrong – The moon revolves around the earth.

Question 2.
On a full moon day, the moon, the sun and the earth are positioned in this sequence.
Answer:
Wrong – On a full moon day, the sun, the earth and the moon are positioned in this sequence.

Question 3.
The revolutionary orbits of the earth and the moon are in the same plane.
Answer:
Wrong – The revolutionary orbits of the earth and the moon are not in the same plane. The moon’s revolutionary orbit makes an angle of about 5° with that the earth.

Question 4.
In one revolution of the moon, its orbit intersects the earth’s orbit only once.
Answer:
Wrong – In one revolution of the moon, its orbit intersects the earth’s orbit twice.

Question 5.
It is alright to observe a solar eclipse without protecting the eyes.
Answer:
Wrong – It is necessary to view the sun disc through dark glasses or through special goggles made for that purpose, otherwise the intense light of the sun can be harmful to the naked eye.

Question 6.
An annular solar eclipse occurs when the moon is in the perigee position.
Answer:
Wrong – An annular solar eclipse occurs when the moon is in the apogee position.

2. Select the correct option.

Question 1.
Solar eclipse

Answer:
(b)

Question 2.
The shape of sun disc at the time of annular solar eclipse.

Answer:
(a)

Question 3.
Apogee position of the moon.

Answer:
(c)

3. Complete the following table.

Answer:

4. Draw and label the diagrams.

Question 1.
Total and partial solar eclipse:
Answer:

Question 2.
Total and partial lunar eclipse:
Answer:

5. Answer the following:

Question 1.
Why do the sun, the moon and the earth not lie in one and the same line on every full moon and new moon day?
Answer:
(i) The orbital path of the earth and that of moon are not in the same plane.
(i) The moon’s revolutionary orbit makes an angle of about 5° with that of the earth.
(iii) On each new moon day, the lines joining the earth and the sun and the moon make an angle of 0° whereas on each full moon day, this angle is 180°.
(iv) So, the sun, the earth and the moon may not be in one straight line in the same plane on every new moon or full moon day.

Question 2.
When a total solar eclipse occurs why is the partial eclipse also seen from the earth?
Answer:
(i) On a new moon day if the sun, the moon & the earth fall in one line & are in the same plane, the shadow of the moon falls on the earth
(ii) This shadow is of two types – the central portion of the shadow is darker & the periphery is light.
(iii) In the area where the dark shadow falls, the sun becomes completely invisible. Such an area experiences a total solar eclipse.
(iv) However during the same period, at the places where the shadow is lighter, the sun disc appears partially covered. Such an area experience partial solar eclipse. Thus when a total solar eclipse occurs a partial eclipse is also seen from the earth.

Question 3.
Suggest measures that can be taken to eradicate the superstitions related to the eclipses.
Answer:
The following measures can be taken to eradicate superstition related to eclipses:

• Use of media to create awareness.
• Parental guidance to help think logically.
• Teachers guidance to help students develop a scientific outlook.
• Campaigns, public meetings and lectures especially in rural areas to eradicate superstitions.

Question 4.
What precautions should we take while observing a solar eclipse?
Answer:
The precautions to be taken while observing a solar eclipse are:

• We should not observe a solar eclipse with naked eyes as the intense light of the sun can harm them.
• We must use dark glasses or goggles that are specially designed for viewing the solar eclipse.

Question 5.
What types of Solar eclipses will occur in perigee conditions?
Answer:
Total and Partial solar eclipse will occur in perigee condition.
(1) Total solar eclipse :

• On a new moon day, the sun, the moon the earth are in a straight line & the shadow of the moon falls on the earth
• The area of dark shadow falls on the earth, the sun becomes completely invisible. This condition is known as total solar eclipse.

(2) Partial solar eclipse:

• However during the same period at places where the shadow is lighter, the sun disc appears partially covered,
• This condition is described as partial solar eclipse.

Activities:

1. Collect paper cuttings about eclipses and paste them in a notebook.
2. Write a note on an eclipse that you have seen.
3. Using the internet, ‘Panchanga’ and calendar collect information about the eclipses that are likely to occur this year.

Class 7 Geography Chapter 2 The Sun, the Moon and the Earth InText Questions and Answers

Use your brain power:

Question 1.
On the day of solar eclipse, in which part of the earth will it not be seen?
Answer:
Solar eclipse will not be seen where there is night.

Question 2.
Can we see total and annular solar eclipses on the same occasion?
Answer:
No, total and annular solar eclipses cannot be seen on the same occasion.

Question 3.
Why is an annular lunar eclipse not seen?
Answer:
An annular lunar eclipse cannot be seen because:

• The size of the earth is bigger than that of the moon.
• As compared to the sun, the moon is close to the earth.
• Therefore, it is not possible that a dark shadow of the earth is cast in space & does not reach the moon.

Question 4.
Which eclipses will you see from the moon?
Answer:
Solar eclipses can be seen from the moon.

Question 5.
Why are solar eclipses caused by the other planets not seen from the earth?
Answer:
(i) A Solar eclipse occurs when the moon comes in between the sun & the earth & all of them are in the same plane & fall in one line on a new moon day.
(ii) Similarly, when Venus & Mercury come in between the earth & the sun, they make a small speck against the surface of the sun as they are too far away.
(iii) The other planets have orbits outside the earth’s & cannot fall in line between the earth & the sun.
(iv) Hence, the solar eclipse caused by other planets are not seen from the earth.

Think about it:

Question 1.
Figure shows positions of the moon as seen from the space and as seen from the earth. How will you identify which are which?

Answer:
Half of the moon’s portion is illuminated by the sun, and the other half remains dark. However, only some part of this illuminated portion of the moon can be seen from the earth. The position of the moon from the Earth is as follows:

• New moon
• Waxing crescent
• 1st Quarter
• Waxing Gibbous
• Full moon
• Waning Gibbous
• Last quarter
• Waning crescent

Question 2.
Like sunlight and moonlight, is there anything called the earth light? If yes, where do you think it is found?
Answer:
Yes, Earthlight is the partial illumination of the dark portion of the moon’s surface by light reflected from the earth’s airglow.

Question 3.
When solar eclipses do not occur on a new moon day, does it mean that the moon does not have any shadow at all?
Answer:
The moon casts a shadow on every new moon day, but solar eclipse occurs only when the moon’s shadow falls on the earth.

Class 7 Geography Chapter 2 The Sun, the Moon and the Earth Additional Important Questions and Answers

Fill in the blanks choosing the correct options from the brackets:

Question 1.
The shape of the moon’s orbit is _________. (round, elliptical, square)
Answer:
elliptical

Question 2.
The moon has _____ and ______ motions. (axial, orbital, elliptical)
Answer:
axial, orbital

Question 3.
When the moon is closest to the earth it is said to be in ________. (apogee, perigee, orbit)
Answer:
perigee

Question 4.
When the moon is farthest to the earth it is said to be in ______. (apogee, perigee, arial)
(round, elliptical, square)
Answer:
apogee

Question 5.
Solar Eclipse occurs on the _______ day. (full moon, new moon, quarter moon)
Answer:
new moon

Question 6.
Lunar Eclipse occurs on the ______ day. (full moon, new moon, quarter)
Answer:
full moon

Question 7.
_______ solar eclipse is a rare phenomenon. (Total, Partial, Annular)
Answer:
Annular

Question 8.
When the shadow of the moon on the central portion of the earth is darker while the periphery is lighter it is known as a _______ solar eclipse.
(partial, total, lunar)
Answer:
total

Question 9.
When the shadow of the moon on the central portion of the earth is lighter and the sun disc appears to be partially covered, it is known _________ solar eclipse.
(total, partial, solar)
Answer:
partial

Question 10.
The moon is ________ when the earth, the moon and the sun make an angle of 90°. (full, semicircular, crescent)
Answer:
semicircular

Question 11.
Occultation occurs with reference to the _____. (sun, moon, earth)
Answer:
moon

Question 12.
Transit is associated with the _______ .(sun, moon, earth)
Answer:
sun

Question 13.
During the period of _______ eclipse, a large number of birds and animals get confused. (solar, lunar, annular)
Answer:
solar

Correct the wrong statements. Write down the correct ones:

Question 1.
When the moon is closest to the earth it is said to be in apogee and when it is the farthest, the position is called perigee.
Answer:
Wrong – When the moon is closest to the earth it is said to be in perigee and when it is the farthest, the position is called apogee.

Question 2.
The moon wanes from the new moon day to the full moon day and waxes from the full moon to the new moon day.
Answer:
Wrong – The moon waxes from the new moon day to the full moon day and wanes from the full moon to the new moon day.

Select the correct options:

Question 1.

Answer:
(c)

Question 2.

Answer:
(c)

Complete the following table:

Question 1.

Answer:

Name the following:
Question 1.
Motions of the moon.
Answer:
Axial and orbital motion.

Question 2.
Types of solar eclipse.
Answer:
Total solar eclipse, Partial solar eclipse, Annular solar eclipse.

Question 3.
Types of lunar eclipse.
Answer:
Total lunar eclipse and Partial lunar eclipse.

Question 4.
Eclipse that confuses animals and birds.
Answer:
Solar eclipse.

Question 5.
An example of occultation.
Answer:
Total solar eclipse.

Question 6.
The event of the occurrence of solar eclipse or lunar eclipse.
Answer:
Astronomical event.

Define the following:

Question 1.
Perigee:
Answer:
When the moon is the closest to the earth in its orbit, it is perigee.

Question 2.
Apogee:
Answer:
When the moon is at the farthest from the earth in its orbit, it is apogee.

Question 3.
Occultation:
Answer:
The moon revolves around the earth. While doing so, it obscures1 a star or a planet and that celestial2 body appears to hide behind the moon. This is called occultation.

Question 4.
Transit:
Answer:
If an inner planet like Mercury or Venus comes in between the line of the earth and the sun, a transit occurs. At that time a small dot appears to move across the sun’s disc.

Question 5.
Phases of the moon:
Answer:
The illuminated portion of the moon disc observed from the earth that keeps on changing every day within a lunar month are called the phases of the moon.

Question 6.
Solar Eclipse:
Answer:
If the moon comes between the earth and the sun in a straight line on new moon day, the shadow of the moon falls on the earth and the sun becomes totally or partially invisible in the shadow zone. This phenomenon is called the solar eclipse.

Question 7.
Lunar Eclipse:
Answer:
On a full moon day, the . moon’s path of revolution passes through the thick shadow of the earth and the moon becomes totally or partially invisible. This phenomenon is called lunar eclipse.

Question 8.
Annular Solar eclipse
Answer:
Sometimes when the moon is in apogee position, a deep shadow of the moon is cast in space & does not reach the earth. From a very small region of the earth, only an illuminated edge of the sun disc is seen in the form of a ring. This is called annular solar eclipse.

Answer in one sentence:

Question 1.
What is the period of waxing moon?
Answer:
The period of waxing moon is the fortnight from new moon to full moon in which the illuminated part of the moon from the earth keeps on increasing (waxing)

Question 2.
What is the period of waning moon?
Answer:
The period of waning moon is the fortnight from full moon to new moon in which the illuminated part of the moon seen from the earth keeps on decreasing (waning)

Question 3.
Why can we see the phases of the moon from the earth?
Answer:
We can see the phases of the moon from the earth due to the sunlight reflected from the moon.

Question 4.
When does the moon appear semi-circular in shape in the sky?
Answer:
On the first and the third quarter days, the moon, the earth & the sun make an angle of 90° due to which we see half the portion of the illuminated moon in a semi-circular shape in the sky.

Question 5.
What types of solar eclipses occur in perigee position?
Answer:
Total & Partial Solar eclipses occur in perigee position.

Question 6.
When does a lunar eclipse occur?
Answer:
A lunar eclipse occurs when the moon enters the shadow of the earth while revolving around it.

Give geographical reasons for the following statements:

Question 1.
We constantly see only one and the same side of the moon.
Answer:

• The time, the moon takes to make one revolution around the earth and one rotation around itself is the same.
• As the axial and the orbital motions of the moon are almost of the same duration, only one, the same side of the moon faces the earth.
• Therefore, we constantly see only one and the same side of the moon.

Question 2.
The distance between the moon and the earth keeps on changing.
Answer:

• The moon’s orbit of the revolution is elliptical to that of the earth.
• Hence the distance of the moon from the earth is not the same everywhere along its orbit while revolving.
• When it is the closest to the earth it is said to be in perigee and when it is at the farthest, the position is called apogee.

Question 3.
Eclipses do not occur on each new moon or full moon day.
Answer:

• The orbital path of the earth and that of the moon are not in the same plane.
• The moon’s revolutionary orbit makes an angle of about 5° with that of the earth.
• So, the sun, the earth and the moon may not be in one straight line in the same plane on every new moon or full moon day.
• Hence, eclipses do not occur on each new moon or full moon day.

Question 4.
The Annular solar eclipse is rarely seen.
Answer:
The Annular solar eclipse is rarely seen because

• The moon is in apogee position.
• The deep shadow of the moon is cast in space and does not reach the earth.
• From a very small region of the earth, only an illuminated edge of the sun disc is seen in the form of a ring.

Question 5.
Birds and animals are confused during the solar eclipse.
Answer:
Birds and animals are confused during the solar eclipse because –

• Untimely darkness sets in.
• The event does not suit their biological clock.
• Their response to the event is also unusual.

Question 6.
On the first and third quarter days, the moon appears semicircular in shape.
Answer:

• On the first and third quarter days, the moon, the earth and the sun make an angle of 90°
• At these positions, we see half the portion of an illuminated moon.
• Hence, in the sky, the moon appears semi-circular in shape.

Answer the following:

Question 1.
What precautions should we take while observing a solar eclipse?
Answer:
The precautions to be taken while observing a solar eclipse are:

• We should not observe a solar eclipse with naked eyes as the intense light of the sun can harm them.
• We must use dark glasses or goggles that are specially designed for viewing the solar eclipse.

Question 2.
What types of Solar eclipses will occur in perigee condition?
Answer:
Total and Partial solar eclipse will occur in perigee condition.
(i) Total solar eclipse :

• On a new moon day, the sun, the moon the earth are in a straight line & the shadow of the moon falls on the earth
• The area of dark shadow falls on the earth, the sun becomes completely invisible. This condition is known as total solar eclipse.

(ii) Partial solar eclipse:

• However during the same period at places where the shadow is lighter, the sun disc appears partially covered,
• This condition is described as partial solar eclipse.

Question 3.
How are lunar eclipses formed?
Answer:
(i) A lunar eclipse occurs when the moon enters the shadow of the earth while revolving around it.
(ii) On a full moon day if the sun, the earth & the moon, are in a straight line, the orbital path of the moon passes through the dark shadow of the earth.
(iii) If the moon is totally hidden within the shadow, a total lunar eclipse is seen & if only a part of the moon is in the shadow, a partial lunar eclipse is seen.

Write short notes on:

Question 1.
Characteristics of solar eclipse.
Answer:

• A solar eclipse occurs on a new moon day, but not on every new moon day.
• If and only if, the sun, the moon and the earth are in the same plane and fall in one line, the solar eclipses occur.
• The maximum duration of a total solar eclipse is 7 minutes and 20 seconds Question 40 seconds).

Question 2.
Characteristics of lunar eclipse.
Answer:

• A lunar eclipse occurs on a full moon day, but not on every full moon day.
• A lunar eclipse occurs if and only if the sun, the moon and the earth are in the same plane and fall in one line.
• The maximum duration of a total lunar eclipse is 107 minutes.

Question 3.
Occupation.
Answer:

• This is a typical event occurring in space.
• The moon revolves around the earth, while doing so, it obscures a star or a planet and that celestial body appears to hide behind the moon. This is called occultation.

Question 4.
What is a Transit?
Answer:

• If an inner planet like a Mercury or Venus comes in between the line of the earth and the sun, a transit occurs.
• At that time, a small dot appears to move across the sun’s disc.
• Transit is a type of solar eclipse.

Distinguish between the following:

Question 1.
Solar eclipse and Lunar eclipse :
Answer:

Question 2.
Total Solar eclipse and Annular Solar eclipse.
Answer:

Draw and label the diagrams:

Question 1.
Moon’s Positions:
Answer:

Question 2.
Angle between the planes of orbit.
Answer:

Question 3.
Consider the relative positions of the sun, the moon, and the earth on the new moon day and both the quarters. What will be the angle between the lines joining the earth and the moon as well as the earth and the sun? How many times will this angle be formed in a month?
Answer:
The angle between the lines joining the earth and the moon as well as the earth and the sun is 90°. This angle will be formed twice a month.

Maharashtra State Board Class 7 Geography Solutions Chapter 5 Winds

Class 7 Geography Chapter 5 Winds Textbook Questions and Answers

1. Rewrite the following statements after choosing the correct option:

Question 1.
When the air expands, it ______.
(a) becomes solid,
(b) becomes thinner,
(c) gets lost.
(d) becomes humid.
Answer:
(b) becomes thinner,

Question 2.
From high air pressure regions, winds ______.
(a) blow to regions of still higher pressure.
(b) blow towards regions of cooler air.
(c) blow towards regions of low air pressure.
(d) remains still.
Answer:
(c) blow towards regions of low air pressure.

Question 3.
In the northern hemisphere, winds blowing towards the equator due to the _____.
rotation of the earth.
(a) turn to the south
(b) turn to the east,
(c) turn to the west
(d) turn to the north.
Answer:
(c) turn to the west

Question 4.
The direction of seasonal winds blowing over the Indian subcontinent during winter is from the _____.
(a) south-east to north-west.
(b) south-west towards north-east.
(c) north-east to south-west.
(d) north-west to south-east.
Answer:
(c) north-east to south-west.

Question 5.
The Roaring Forties in the southern hemisphere ______.
(a) blow towards the equator.
(b) blow in the areas around 40°S parallel.
(c) blow from the subpolar region of low pressure.
Answer:
(b) blow in the areas around 40°S parallel.

2. Identify the type of winds from the description given below:

Question 1.
These winds from the south-west bring rains to Indian subcontinent. During June to September, India gets rains. After this period these winds retreat.
Answer:
South West Monsoon Winds.

Question 2.
These winds blowing from the north pole region towards 60°N parallel cause cold wave conditions in extensive areas covering North America, Europe and Russia
Answer:
Polar Winds.

Question 3.
Hilltops get heated quickly during the day. The air in this part becomes hot, light and starts ascending. Hence, a low pressure area forms in this region. At the same time the air at the foothills become cooler and also experiences high pressure. Air in that area blows towards low pressure.
Answer:
Valley Winds.

3. Given below are the values of air pressure in millibars. Using the same, draw diagrams to show a cyclone and an anticyclone:

Question 1.
990, 994, 996,1000
Answer:

Question 2.
1030,1020,1010,1000
Answer:

4. State one reason why:

Question 1.
A belt of calm exists near the equator.
Answer:
(i) A belt of calm exists near the equator because there is not much difference in the temperature and air pressure.
(ii) So winds do not blow in this region.

Question 2.
The winds coming from the north-west in the southern hemisphere have greater velocities than the winds coming from the south-west in the northern hemisphere.
Answer:
(i) In the southern hemisphere the obstacle caused by the relief of the land surface is almost absent.
(ii) Therefore the winds coming from the north – west in the southern hemisphere have greater velocity than the winds coming from the south-west in the northern hemisphere.

Question 3.
The monsoon winds in the summer come from the sea but the retreating monsoon winds come from land.
Answer:
(i) Monsoon winds are generated due to the uneven heating of land and water in the different seasons.

(ii) During summers, land heats up quickly as compared to water & an area of low pressure is created on the land whereas an area of high pressure is created on the water.

(iii) But during winters low pressure is created on the water and an area of high pressure is created on land as it cools down quickly as compared to the water.

(iv) As winds blow from high pressure areas to low pressure areas, it blows from sea to land in summers & from land to sea in winters.
Thus the monsoon winds in summer come from sea but the retreating monsoon winds come from land.

5. Complete the flow chart:

Answer:

6. Answer in short:

Question 1.
Why is the air pressure high in polar areas in both the hemispheres?
Answer:

• In both the polar areas the temperature here is below 0°C.
• Hence the air is cold & heavy.
• Hence the air pressure is high in the polar areas in both the hemispheres.

Question 2.
What effect does the rotation of the earth have on the wind?
Answer:

• The direction of the winds is influenced by the rotation of the earth.
• In the northern hemisphere, winds get deflected towards the right of their original direction, whereas in the southern hemisphere they get deflected toward the left of their original direction.

Question 3.
Why do the cyclonic winds blow in a circular manner?
Answer:
(i) Cyclones are created when a low pressure area is surrounded by high pressure areas. In these conditions, winds start blowing towards the low pressure area from the surrounding high pressure areas.

(ii) But due to the rotation of the earth in the northern hemisphere the winds deflected towards the right of their original direction whereas in the southern hemisphere they get deflected towards the left of their original direction which causes the cyclone winds to blow in a circular manner.

Question 4.
State the reasons that lead to the formation of cyclones and describe the effects of cyclones.
Answer:
(i) Cyclonic conditions are created when a low pressure area is surrounded by high pressure areas.
(ii) In these conditions, winds start blowing towards the low pressure area from the surrounding high pressure areas.
(iii) The effects of cyclone are as follows.

• The sky is cloudy
• Winds blow with a very high velocity
• It rains heavily
• It may cause loss of life and property in coastal regions.

Activity:

Using the internet, obtain information, photos and maps of the recent cyclone that arrived at India’s eastern coast.
Write the social and economic effects of that cyclone.

ICT Question:

Use the mobile app ‘Windyty’ and try to know the direction of winds and pressure areas in the world.

Class 7 Geography Chapter 5 Winds InText Questions and Answers

Formative Assessment
Can you tell?

Observe the diagrams given below. Answer the questions related to sea and land breeze


Question 1.
Why do the breezes blow from the sea to the land during the day?
Answer:
During the day as land gets heated up faster than water, an area of low pressure is created on land whereas there is a region of comparatively higher pressure on the sea. As a result the breezes blow from the sea to the land during the day.

Question 2.
When do the winds blow from the d to the sea?
Answer:
The winds blow from land to the sea during the night.

Question 3.
Describe the winds shown in fig. (a).
Answer:
It is sea breeze.

Question 4.
Compare fig.(a) and (b) with reference fo temperature conditions, air pressure and
winds.
Answer:
In figure (a) the temperature is higher on land & the pressure is low so winds blow from sea to land. In figure (b) the temperature is low on the land & the pressure is high. Winds blow from land to sea.

Question 5.
Which winds are called sea breezes and which are called land breezes? Why?
Answer:
Winds in (a) are sea breeze because they blow from the sea and (b) are land breeze because they blow from the land.

Question 6.
In which part of India are land and sea breezes experienced?
Answer:
In India, it is experienced near the coastal areas.

Question 7.
Do you experience sea and land breezes in your area?
Answer:
The answer may vary.

Give it a try.

Write the changed directions of the wind in the table below:

Question 1.

Answer:

Try this:

Question 1.
Observe the pictures given below and describe the valley breeze considering the elevation of land, the heating and cooling properties of land and water, the air pressure, etc.

Answer:
Characteristics of Valley Breeze:

• Valleys are cooler compared to mountain tops during the day.
• Mountains are comparatively warmer.
• Air pressure is greater in the valley.
• Winds blow from valley to the mountain tops.
• Hot and light air from the mountains descend downwards and cool air from valleys ascend upwards.
• Valley breeze are set after the sun rises.

Question 2.
Read the following information carefully and draw a diagram for the mountain breeze accordingly.
Characteristics of the Mountain breeze:

• Mountains cool down quickly at night.
• The valley zone is comparatively warmer.
• Air pressure is greater on the mountains.
• Winds blow from the mountain towards the valley.
• The hot and light air from the valley is pushed upwards and the cool air rushes down into the valley.
• Mountain winds set in after sunset.

Answer:

Try this:

• Fold a piece of paper into two same sized rolls.
• Keep both the paper rolls on one side of a table
• You & your friend should select one roll each.

Question 1.
Without touching the roll of the paper on the table, what can be done to move the paper rolls to the other end of the table?
Answer:
To move the paper rolls to the other end of the table without touching a person can

• Blow the air from his mouth towards the roll of paper
• Use a newspaper a book or a hand fan
• Tilt the table towards the other end.

Question 2.
See who moves the paper roll first to the other end of the table:
Answer:
The object which blows the air with maximum force, moves the paper roll first to the other end of the table.

Question 3.
What could be the reason of the delay in making the rolls reach to the other end of the table?
Answer:
There will be a delay in making the rolls reach the other end of the table if the air is blown with lesser force.

Question 4.
What can we do to move the rolls to the other end of the table with a greater speed?
Answer:
We mostly use the technique/object which will blow air with maximum force to move the rolls to the other end of the table with a greater speed.

Question 5.
Can a bottle filled with water be moved to the other end of the table in this manner? Can we use the same method that you tried for moving paper rolls?
Answer:
A bottle filled with water cannot be moved to the other end of the table in this manner. We cannot use the same methods that we tried for moving paper rolls to move a bottle filled with water as it is heavier in weight, (we can if we tilt the table which was an option.)

Class 7 Geography Chapter 5 Winds Additional Important Questions and Answers

Fill in the blanks choosing the correct option from the bracket:

Question 1.
Air moves from high pressure to low pressure areas in a ______ manner. (vertical, horizontal, parallel)
Answer:
horizontal.

Question 2.
Winds velocity is measured in the units of ________. (knots, metres, seconds)
Answer:
knots.

Question 3.
Wind which cover a large portion of the earth are called _____ wind. (local, polar, planetary)
Answer:
planetary.

Question 4.
Winds blowing between mid latitudinal high pressure belt and the equator are called ______. (westerlies, easterlies, polar)
Answer:
easterlies.

Question 5.
Winds blowing between mid latitudinal high pressure belt and the sub polar low pressure belt are called _______. (easterlies, westerlies, polar)
Answer:
westerlies.

Question 6.
Winds that blow for a short duration of time, over a limited area are called ______. wind. (polar, local, easterlies)
Answer:
local.

Question 7.
Mountain winds blow during ______ .(morning, night, midday)
Answer:
night.

Question 8.
Winds that blow at night in coastal areas are called ________ breeze, (sea, land, valley)
Answer:
land.

Question 9.
Cyclones occurring in the western part of the Pacific ocean are called ______.(hurricane, typhoons)
Answer:
typhoons.

Question 10.
Hot winds blowing in the Thar Desert are called the _______ (simoons, loo, chinook)
Answer:
loo.

Rewrite the following statements after choosing the correct option:

Question 1.
During an anticyclone the sky ______.
(a) is dark.
(b) is cloudy.
(c) is clear.
(d) is white.
Answer:
(c) is clear.

Question 2.
Winds blowing from the polar high pressure to sub polar low pressure belt
(a) blow from west to east.
(b) blow from east to west.
(c) blow from south to north.
(d) blow from north to south.
Answer:
(b) blow from east to west.

Question 3.
The minimum velocity of cyclonic storms is ________.
(a) 50 km per hour
(b) 60 km per hour
(c) 70 km per hour
(d) 80 km per hour.
Answer:
(b) 60 km per hour

Question 4.
Winds which originate in specific regions and blow over a limited area are called _____.
(a) local winds.
(b) seasonal winds
(c) monsoon winds
(d) planetary winds
Answer:
(a) local winds.

Find out the odd man out and give reason for your answer:

Question 1.
Polar winds, Local winds, Easterlies, Westerlies
Answer:
Local winds – Others are names of planetary winds.

Question 2.
Landbreeze, Valley winds, Westerlies, Mountain winds.
Answer:
Westerlies – Others are names of local winds.

Question 3.
Mistral, Bora, Pampero, Foehn
Answer:
Foehn – Others are cold and dry winds.

Question 4.
Loo, Foehn, Mistral, Simoon
Answer:
Mistral – Others are hot and dry winds.

Question 5.
Mistral, Bora, Chinook, Foehn
Answer:
Chinook – Others originate in the Alps Mountain.

Question 6.
Southeast Asia, West Europe, East Africa, North Australia.
Answer:
West Europe – Others receive monsoon rains.

Question 7.
India, Japan, China, Phillippines.
Answer:
India – Others experience typhoons.

Question 8.
Furious Fifties, Screaming Seventies, Screeching Sixties,, Roaring Forties.
Answer:
Screaming Seventies – Others are names of winds in the southern hemisphere.

Place a tick mark (✓) against the correct option:

Question 1.
Towards which direction do the southern hemisphere winds get deflected? .
(a) Towards the left.
(b) Towards the right.
(c) Towards the centre.
Answer:
(a) Towards the left.

Question 2.
What are the winds blowing between polar high pressure belt and subpolar low pressure belt called?
(a) Monsoon winds
(b) Polar winds
(c) Westerlies winds
Answer:
(a) Monsoon winds

Question 3.
Hot and destructive winds blowing in the Sahara
(a) Chinook
(b) Simoom
(c) Loo
Answer:
(b) Simoom

Question 4.
Cold winds around the Mediterranean.
(a) Foehn
(b) Pampero
(c) Mistral
Answer:
(b) Pampero

Question 5.
How is cyclonic condition created?
(a) Low pressure area is surrounded by high pressure.
(b) A high pressure area is surrounded by low pressure.
(c) A low pressure area is surrounded by mid pressure.
Answer:
(c) A low pressure area is surrounded by mid pressure.

Identify the type of winds from the description given below:

Question 1.
In coastal areas, land cools down faster as compared to the sea, the air blows from land to sea.
Answer:
Land Breeze.

Question 2.
In the Indian subcontinent, dry winds blow from the Indian Subcontinent towards the equator.
Answer:
North-East monsoon winds.

Question 3.
The winds blowing over the earth’s surface throughout the year and covering a large portion of the earth.
Answer:
Planetary winds.

Question 4.
The winds that blow for a short duration of time, originate in specific regions & blow over a limited area.
Answer:
Local winds.

Match the pairs correctly:

Question 1.

Answer:
1 – a
2 – c
3 – d
4 – b

Define the following terms:

Question 1.
Roaring Forties:
Answer:
Beyond 40°S winds blow with tremendous velocity. These winds are called the Roaring Forties.

Question 2.
Furious Fifties:
Answer:
Around 50°S winds are stormy hence they are called the Furious Fifties.

Question 3.
Screeching Sixties:
Answer:
The stormy winds around 60°S make tremendous noise and hence they are called the Screeching Sixties.

Question 4.
Local Winds:
Answer:
The winds that blow for a short duration of time, originate in specific region and blow over a limited area are called Local Winds.

Question 5.
Doldrums:
Answer:
The region up to 5° North and 5° South of the equator remains calm for most of the year and winds do not blow in this region. It is called the equatorial calm zone or Doldrums.

Question 6.
Horse Latitudes:
Answer:
In the area near the Tropic of Cancer and Tropic of Capricorn, that is between 25° and 35° north and south, there exist a high pressure belt, which is a calm belt. This belt is called as the Horse latitudes.

Question 7.
Typhoons:
Answer:
Storms arising in the months between June and October in the western part of the Pacific Ocean which blow with high velocity winds and heavy rains causing destruction are called Typhoons.

Question 8.
Hurricanes:
Answer:
The cyclones in the Caribbean sea which are destructive in nature are called Hurricanes.

Observe the pictures given below of Seasonal winds and write its characteristics:

Question 1.

Answer:
Characteristics of the Seasonal winds (Monsoon):

• Monsoon winds are generated due to the uneven heating of land and water in the different seasons.
• During summer, monsoon winds blow from the sea to the land and in winter they blow from the land to the sea.
• Southern Asia, East Africa, North Australia are the regions where the pronounced effects of these winds are felt.
• The influence of monsoon winds is seen in the summer and winter seasons in the Indian subcontinent.

change in direction of wind:

Draw a neat labelled diagram:

Question 1.
Planetary winds and pressure belts on the earth
Answer:

Distinguish between the following:

Question 1.
Easterlies and Westerlies:
Answer:

Question 2.
Valley breeze and Mountain breeze:
Answer:

Question 3.
Cyclones and Anticyclones:
Answer:

State one reason why:

Question 1.
Planetary winds change their original direction.
Answer:
The rotation from the west to east causes the change in the original direction of the planetary winds.

Question 2.
The air pressure in land and water is different
Answer:
(a) The land is made up of dense matter. Land is stable and opaque. As a result, heat is transferred at a greater speed and in a higher proportion. Hence, land gets heated quickly.

(b) The density of water is comparatively less. Water is transparent and unstable. Hence, water does not get heated quickly.

(c) As a result, the air pressure in land and water areas is different.

Question 3.
The Indian subcontinent experiences monsoon and retreating monsoon seasons.
Answer:
(a) Monsoon winds are generated due to uneven heating of land & water in different seasons. During summers, monsoon winds blow from sea to land & in winter they blow from land to the sea.

(b) The influence of monsoon winds is seen in summer season in the Indian subcontinent due to high temperature & low pressure in Thar desert region & Punjab plains.

(c) As these winds blow from sea to land the Indian subcontinent experiences monsoon (rainy) season.

(d) During winters, due to high pressure & low temperature in the Indian subcontinent & comparatively low pressure & high temperature in the Indian ocean winds blow from land to sea.

(e) This is the retreating monsoon season in the Indian subcontinent.
Thus the Indian subcontinent experiences monsoon & retreating monsoon season.

Answer the following in detail:

Question 1.
Give detailed information about the types of planetary winds.
Answer:
The following are the types of Planetary winds:
(i) Easterlies:

• In both the hemispheres, the winds that blow from the high pressure area between 25° & 35° parallels, to the equatorial low pressure belt (between 5°N & 5°S parallel) are called Easterlies.
• In the northern hemisphere they blow from northeast to southwest whereas in the southern hemisphere they blow from southeast to the northwest.

(ii) Westerlies:

• In both the hemispheres, winds that blow from the mid-latitudinal high pressure belt to sub polar low pressure belt situated near 60° parallel are called westerlies.
• In the northern hemisphere, these winds blow from the southwest to the northeast & in the southern hemisphere, they blow from the northwest to the southeast.

(iii) Polar winds:

• In both the hemispheres, winds blowing from the polar high pressure belt to the sub polar low pressure belt (55° to 65°) are called polar winds.
• Generally they blow from east to west.

Question 2.
Write in detail about cyclonic storms.
Answer:
(i) Cyclones occurring in the western part of the Pacific ocean along the coasts of Japan, China, Philippines, etc. are known as ‘Typhoons’.
(ii) These storms arise in the months between June & October.
(iii) Due to high velocity winds & heavy rains, these prove to be destructive.
(iv) The cyclones in the Caribbean Sea are known as ‘hurricanes’. These are also destructive in nature.
(v) During these storms, the minimum velocity of the wind is 60 km per hour.
(vi) Cyclones also originate in the temperate zone but they are not so powerful & hence are not destructive.

Question 3.
What are anticyclones?
Answer:
(i) Under specific atmospheric conditions, the air pressure in a particular region increases & the pressure in the surrounding areas remain low.

(ii) In this situation, winds blow from the centre towards the surrounding areas in a circular manner.

(iii) In the northern hemisphere, these winds blow in a clockwise direction whereas in the southern hemisphere they blow in an anticlockwise direction.

(iv) During anticyclone, the skies are clear, winds blow with lesser velocities and the weather is pleasant.

Can you tell?

Observe the picture given below and answer the following questions.:

Question 1.
Which are the winds in the northern hemisphere that blow from the mid latitudinal high pressure belt to the equatorial low pressure belt?
Answer:
Easterlies blow from mid latitudinal high pressure belt to equatorial low pressure belt in the northern hemisphere

Question 2.
What is the direction of the Westerlies in the southern hemisphere?
Answer:
Westerlies blow from north west to south east in the southern hemisphere

Question 3.
Which planetary winds blow from the mid-latitudinal high pressure belts to the subpolar low pressure belts in the northern hemisphere?
Answer:
The Westerlies blow from mid latitudinal high pressure belts to subpolar low pressure belts in the northern hemisphere

Question 4.
Why is the direction of polar winds not the same in both the hemispheres?
Answer:
The rotation of the earth causes the change in the direction of winds in both the hemisphere. So polar winds blow from northeast to south west in the northern hemisphere & from south east to north-west in the southern hemisphere.

Question 5.
Name the winds that blow in the southern hemisphere.
Answer:
Easterlies, Westerlies and Polar Winds blow in the southern hemisphere.

Question 6.
In which direction do the Easterlies blow in the Northern and Southern hemisphere?
Answer:
Easterlies blow from northeast to southeast in northern hemisphere & from southeast to northwest in the southern hemisphere.

Maharashtra State Board Class 7 Geography Solutions Chapter 9 Agriculture

Class 7 Geography Chapter 9 Agriculture Textbook Questions and Answers

1. Select the proper option for the following statements:

Question 1.
In which of the following type of farming
are the crops rotated?
(a) Intensive.
(c) Commercial.
(b) Plantation.
(d) All of these.
Answer:
(a) Intensive.

Question 2.
Agriculture requires the following:
(a) Only ploughing
(b) Use of animals, implements, machines and manpower.
(c) Use of only manpower.
(d) Just cultivate the crop.
Answer:
(b) Use of animals, implements, machines and manpower.

Question 3.
In India, agriculture has developed because…
(a) There are two seasons of agriculture in India.
(b) Majority of the people depend on agriculture.
(c) Traditional agriculture is practised in India.
(d) In India factors like climate, soils, water, etc. are conducive.
Answer:
(d) In India factors like climate, soils, water, etc. are conducive.

Question 4.
It is necessary that modern methods and technology be used in agriculture in India because…
(a) There are factories producing improved seeds.
(b) There are industries producing fertilizers
(c) Population is growing and there are agro-based industries.
(d) Modern means and machines are available.
Answer:
(c) Population is growing and there are agro-based industries.

2. Give short answers for the following questions:

Question 1.
Describe the importance of irrigation for agriculture.
Answer:
(i) Irrigation means the process of supplying of water through artificial means such as pipes, canals, sprinklers, etc.
(ii) Irrigation helps the farmers to be less dependent on rain water for the purpose of agriculture.
(iii) Since monsoons are uncertain & highly variable, farming cannot entirely depend upon rains
(iv) Hence irrigation is needed to grow assured crops & also to grow crops in the months after the monsoon season.

Question 2.
Distinguish between intensive farming & shifting cultivation.
Answer:

Question 3.
Mention the major types of farming and give information about intensive farming and extensive grain farming?
Answer:
Broadly the following types of farming are identified

Intensive farming:

• Intensive farming is a type of traditional farming. It is carried out in one and the same farm for years together.
• Getting maximum production from a minimum area is the characteristic of Intensive farming.
• Due to large population or limited availability of land, per head holding is small.
• This type of farming is mostly seen in developing region.
• The cultivator and his family are totally dependent on farming. The farm production is sufficient only for the requirements of the cultivators family.
• As farm production is low hence the economic condition of the cultivator is also poor.

Extensive farming:

• Extensive grain farming is a type of commercial farming.
• Farm size is greater than 200 hectares.
• Due to large farm size and sparse population in the region, this type of farming is carried out with the help of machines like tractors and crushers.
• Helicopters or planes are used for spraying pesticides.
• Mono crop cultivation is the main characteristic.
• Crops like wheat, corn, barley, oats, soyabean are cultivated.
• Heavy capital investment is necessary. Since huge expenditures are needed for purchase of machinery, fertilisers, pesticides, godowns, transport cost, etc.
• Droughts, attack by pests, locusts, market fluctuation, etc. are the problems in extensive grain farming.
• This type of farming is carried out in the temperate grassland regions.

Question 4.
Describe the characteristics of plantation farming.
Answer:
(i) Plantation farming is a type of commercial farming.
(ii) Farm size is 40 hectares or above.
(iii) As plantation agriculture is practised in hilly tracts of tropical regions, use of machines are not possible hence local manpower is used.
(iv) This is a single crop cultivation practice.
(v) Only commercial crops like tea, rubber, coffee, coconut, cocoa, spices, etc. are planted.
(vi) This type of farming requires large scale capital investment.
(vii) Major issues faced are climate, manpower, deterioration of environment, economic and managerial problems.
(viii) Plantation farming is practised in India and other South Asian countries, Africa, South and Central America.

Question 5.
Which are the crops cultivated in your area? What are the geographical reasons for that?
Answer:
(i) I live in the konkan region of the state of Maharashtra
(ii) The main crops cultivated in our area are mangoes, rice, coconut, cashew, etc.
(iii) Konkan region has hot & humid climate, heavy rainfall which favours the growth of these crops.
(iv) This region has fertile laterite soil which is suitable for cultivation of fruits.

Question 6.
Why is the agriculture in India seasonal in nature? What are the difficulties for perennial agriculture?
Answer:
(i) Most of the agriculture in India is dependent on monsoon rainfall. 80% of the rainfall in India is received from south west monsoon winds from June to September.
(ii) Since monsoon in India is seasonal; agriculture in India is also seasonal in nature.
Difficulties for perennial agriculture
(i) Rainfall in India is highly irregular & uncertain. Also there is lack of irrigation facilities.
(ii) There is lack of capital investment, godowns, transportation, etc.
(iii) There is lack of awareness with respect to scientific methods of crop cultivation.

Activity:

Visit a farm where modern technology is used for agriculture. Collect information about it.

Use of ICT

Question 1.
Collect the pictures of improved seeds and means of irrigation from the internet.
Question 2.
Collect information regarding agricultural in Israel from the internet. and present it.

Class 7 Geography Chapter 9 Agriculture InText Questions and Answers

Can you tell?
Observe the picture and briefly describe the type of agriculture shown.

Question 1.

Answer:
(a) For the growth of fruits a large number of similar trees are grown in a vast area. Such land areas are called farms or orchards, for e.g. mango, coconut.
(b) In this type of farming modern as well as traditional methods are used.
(c) Use of irrigation, chemical fertilizers, green houses, etc. is being made for getting more profit.

Question 2.

Answer:
(a) One single crop is grown in a large area.
(b) The use of man power is less, whereas most of the farmwork is done with the help of machines like tractors, harvesters, threshers, etc.
(c) Heavy capital investment is necessary for this type of farming.

Question 3.

Answer:
(a) One single tree crop is grown on a large scale.
(b) Only commercial crops like tea, rubber, coffee, cocoa, coconut, spices, etc. are planted.
(c) It requires lot of capital investment due to the long duration of crops, use of scientific methods, exportable production, processing,

Question 4.

Answer:
(a) Crops are grown on small farm lands with the help of bovine (animal) and human resources.
(b) The profits earned are very low despite intensive care taken.
(c) The crops that are grown are used for home consumption and the excess, if any, is sold in the local market.

Observe the picture and answer:

Question 1.
What all do you see in the picture?
Answer:
A farmer’s house, a farmer keeps cows, hens, sheep, goats and cattle, a standing crop, a plough share, farmers wife grazing the cattle.

Question 2.
Why has the family kept goats and hens?
Answer:
Farmer gets milk from goats and eggs from the hens.

Question 3.
Which implements are seen in the picture?
Answer:
The spade and plough are seen in the picture

Question 4.
How are these implements used?
Answer:
Spade is a hand tool used to dig or loosen ground or break lumps in the soil. A plough is used for ploughing the fields. Ploughing turns organic matter into soil to increase decomposition and add nutrients from organic matter to the soil.

Question 5.
In which major occupation type will the activities shown here be included?
Answer:
The activities shown in the picture mostly fall under the occupation of agriculture.

Question 6.
What could be the main occupation of these people?
Answer:
The main occupation of these people could be cultivation of crops.

Question 7.
Who could be the owner of the house?
Answer:
The farmer himself could be the owner of the house.

Question 8.
Which products shown in the above picture do you use?
Answer:
Milk and dairy products, eggs are used in our day to day lives.

Give it a try:

Observe the pictures and answer the following questions.

Question 1.
What differences do you observe these pictures?
Answer:
In the pictures we can observe the changes in agricultural practices. It shows the transition from traditional to modern agriculture.
(a) Initially man cultivated crops using only manual labour. Later he started using various animals like bullocks to cultivate crops.
Today we use modern machines for various agricultural practices.

(b) Irrigation too has changed – from water allowed to flow freely in the field though pipes, man now uses modern methods like sprinkler & drip irrigation.

(c) Poultry farming is supplementary to cultivation of crops & is included in agriculture. Initially hens were reared in small numbers in open areas. But today hens are reared on a large scale. With use of modem techniques it leads to large scale production of eggs.

Question 2.
What changes have taken place in traditional agricultural practices?
Answer:
Traditionally agriculture was carried out using manual labour & bovine power. Today modem methods of agriculture include using machines tractors, harvests, fertilizers, insecticides, pesticides, etc. for better yield of crop.

Irrigation is used for ample water supply throughout the year to maximize crop production. Modern, scientific techniques & use of hybrid seed, leads to more productivity of land, (more crop production in limited land area)

Answer the following questions:

Question 1.
Which improper practices arising out of man’s greed are observed in agriculture.
Answer:
In order to produce the fruits and vegetables early and sell them quickly, man uses artificial chemical, which harms the soil & hampers the quality of production.

Question 2.
What means of irrigation are available in your area?
Answer:
(a) Drip and Sprinkler irrigation is used in many orchards across the konkan region of Maharashtra.
(b) Wells & tube wells are other methods used on large scale.

Question 3.
Have you observed the wastage of water in agriculture? If yes, describe it.
Answer:
There was a field in my native place. The farmer would water the field leaving the water pipe on the field. Lot of water would be wasted. But now the same farmer waters the field using sprinkler irrigation method. As a result there is no wastage of water, any more.

Question 4.
Which steps can easily be taken to avoid improper practices in agriculture?
Answer:
(a) System of Agricultural Produce Market committee should be established at taluka level and farmers should be encouraged to bring their produce and sell to the traders here

(b) As farm produce is perishable, there has to be a proper arrangement for its sale to avoid,wastage.

(c) Institutes like farmer’s organizations, consumer societies, etc. help and try to protect farmers from exploitation by agents, mediators and others.

(d) Farmers should not use artificial chemicals and pesticides.

Use your brainpower:

Question 1.
Why does extensive commercial farming need more capital?
Answer:
(a) Farm size is greater than 200 hectares.
(b) Due to large farm size and sparse population in the region, this type of farming is carried out with the help of machines like tractors and crushers.
(c) Pesticides are sprayed with the help of helicopters or planes.
(d) Since huge expenditures are needed for the purchase of machinery, fertilizers, pesticides, godowns, transport cost, etc. So extensive commercial farming needs more capital.

Question 2.
Why does plantation farming need skilled and experienced labour?
Answer:
(a) Farm size in plantation farming is 40 hectares or above.
(b) Plantation farming is practised in hilly tracts, so use of machines is not possible.
Hence, plantation farming needs skilled and experienced labour.

Question 3.
In what different ways is ground water obtained for agriculture?
Answer:
(a) Ground water is the water that is found underground.
(b) When it rains, about 20% of the rain water seeps into the ground, forming a water table.
(c) A well as deep as the water table is dug, in order for it to pump water to the fields for agriculture.
(d) Now days use of tube wells have become popular too

Class 7 Geography Chapter 9 Agriculture Additional Important Questions and Answers

Fill in the blanks choosing the correct options from the bracket:

Question 1.
Commercial dairy fanning is mainly undertaken for _________. (milk and fish, meat and milk, meat and poultry)
Answer:
meat and milk

Question 2.
Sheep rearing is carried out to obtain ________. (cotton, silk, wool)
Answer:
wool

Question 3.
In order to achieve the best growth of fish, ________ methods are employed. (pisciculture, scientific, electronic)
Answer:
scientific

Question 4.
Silk thread is obtained from the ______ of the silk moth. (cocoon, mulberry, skin)
Answer:
cocoon

Question 5.
Leaves of the ______ trees are the main food for the silk worms. (mulberry, pepal, coconut)
Answer:
mulberry

Question 6.
______ farming is a highly specialized type of farming of the modem era. (Intensive, Subsistence, Modern)
Answer:
Greenhouse

Question 7.
Intensive farming and shifting cultivation are the two types in ______ farming. (extensive, traditional, intensive)
Answer:
traditional

Question 8.
Shifting cultivation is a ________ type of cultivation, (primitive, extensive, intensive)
Answer:
primitive

Question 9.
Cultivation of flowers and fruits is a subtype of _______ gardening. (market, organic, plantation)
Answer:
market

Fill in the blanks:

Question 1.
_______ is a new field of tourism.
Answer:
Agrotourism

Question 2.
Most of the farmers are ________ weak and cannot market their product on their own.
Answer:
economically

Question 3.
As farm produce is ______ there has to be a proper arrangement for its sale.
Answer:
perishable

Question 4.
Some of the farm produce is directly used by industries as ______.
Answer:
raw material

Question 5.
_____ is a major exporter of fresh farm produce.
Answer:
Israel

Question 6.
International markets are now becoming easily available for farm produce due to _____.
Answer:
globalization

Question 7.
France and Italy are famous for ________.
Answer:
horticulture

Question 8.
____ is obtained from organic waste.
Answer:
Vermicompost

Select the proper option for the following statements:

Question 1.
Heavy capital investment is necessary for
(a) Subsistence farming
(b) Extensive grain farming
(c) Shifting cultivation
(d) Dairy farming
Answer:
(b) Extensive grain farming

Question 2.
Getting maximum production from a minimum area is the characteristic of
(a) Plantation farming
(b) Intensive farming
(c) Horticulture
(d) Extensive grain farming
Answer:
(b) Intensive farming

Complete the following sentence:

Question 1.
For our basic needs of food and clothing ______.
Answer:
we make use of plants and animals

Question 2.
In agricultural occupation, resources like _______.
Answer:
manpower, animals, implements, etc. are used

Question 3.
In the past primitive man had to wander in the forest to ______.
Answer:
sustain himself on the collected forest produce

Question 4.
Bees in order to collect honey, _______.
Answer:
hover around the plants that bear flowers

Question 5.
Silk thread is obtained from the _________.
Answer:
cocoon of the silk moth

Question 6.
Greenhouse farming facilitates _______.
Answer:
getting maximum product from the land

Question 7.
Greenhouse farming is ________.
Answer:
highly specialized type of farming of the modern era

Question 8.
Different types of agriculture has evolved due to _______.
Answer:
geographical and cultural diversity and technological differences in different regions

Question 9.
Intensive farming is carried out in ________.
Answer:
one and the same farm for years together

Question 10.
In shifting cultivation, ________.
Answer:
every year a new area is chosen for cultivation

Question 11.
The problems in extensive grain farming are ______.
Answer:
droughts, attacks by pests, locusts, etc. and also market fluctuation

Question 12.
Market gardening has developed mainly as a _______.
Answer:
result of urbanization and the ready markets available in urban centres

Question 13.
Cultivation of flowers and fruits is a ________.
Answer:
subtype of market gardening

Question 14.
As farm produce is perishable, _________.
Answer:
there has to be a proper arrangement for its sale

Question 15.
Most of the farmers are ______.
Answer:
economically weak and cannot market their production on their own.

Question 16.
By advertising on the internet, ______.
Answer:
the agricultural products get sold in local as well as international markets

Answer in one sentence:

Question 1.
What do we depend on for our basic needs of food and clothing?
Answer:
For our basic needs of food and clothing, we make use of plants and animals.

Question 2.
What is considered to be the main and the most important occupation in agriculture?
Answer:
In agriculture, cultivation of crops is considered to be the main and the most important occupation.

Question 3.
Why had the primitive man to wander in the forest in the past?
Answer:
Primitive man had to wander in the forest to sustain himself on the collected forest produce.

Question 4.
What is the core of animal husbandry?
Answer:
Rearing different animals and obtaining various products from them for subsistence is the core of animal husbandry.

Question 5.
On what do sheep and goats survive?
Answer:
Sheep and goats survive on short grass, shrubs and acacia, grown in remote hilly areas away from urban settlements.

Question 6.
What do we obtain from Beekeeping occupation?
Answer:
We obtain honey and wax from Beekeeping.

Question 7.
What is Pisciculture?
Answer:
Pisciculture is also called fish farming in which fish seeds are released in the pond to achieve the best growth of fish.

Question 8.
Name the fish reared in fish farms.
Answer:
Warn, Roha, Rawas, Kolambi are reared in fish farms.

Question 9.
What is used to weave soft silk cloth?
Answer:
Fine and strong silk thread obtained from the cocoon of the silk moth are used to weave soft silk cloth.

Question 10.
Which is the highly specialized type of farming of the modem era?
Answer:
Greenhouse farming is a highly specialized type of farming of the modem era.

Question 11.
Which are the two types in traditional farming?
Answer:
Intensive farming and shifting cultivation are the two types in traditional farming.

Question 12.
What is the characteristic of intensive farming?
Answer:
Getting maximum production from a minimum area of land is the characteristic of intensive farming.

Question 13.
Where is shifting cultivation practised?
Answer:
Shifting cultivation is practised in the tropics in densely forested areas or hilly tracts.

Question 14.
Name the two major types of farming covered under commercial farming.
Answer:
Extensive grain farming and plantation agriculture are the two major types of farming covered under commercial farming.

Question 15.
What are the problems in extensive grain farming?
Answer:
The problems in extensive grain farming are droughts, attack by pests, locusts, etc. and market fluctuations.

Question 16.
What are the major issues faced by the plantation farming?
Answer:
Climate, manpower, deterioration of environment, economic and managerial problems are the major issues faced by the plantation farming.

Question 17.
Where is plantation farming practised?
Answer:
Plantation farming is practised in India and other South Asian countries, Africa, South and Central America, etc.

Question 18.
What is a subtype of market gardening?
Answer:
Cultivation of flowers and fruits is a subtype of market gardening.

Question 19.
What are the major products of horticulture?
Answer:
Major products of horticulture are flowers like lily, gerbera, tulip, dahlia, chrysanthemum, marigold, etc.

Question 20.
Name some native and exotic fruits cultivated in fruit farming.
Answer:
Different native and exotic fruits like mangoes, custard apples, grapes, bananas, pomegranates, dragon fruits, cherries, oranges, strawberries, raspberries, etc.

Question 21.
What is organic farming?
Answer:
When farming is done using all vestal matter mixed in the soil, it is called organic farming.

Question 22.
Why do city dwellers visit the rural areas?
Answer:
City dwellers are curious about the farmers life and environment so they visit the rural areas to see the rural life, local customs and culture.

Question 23.
Why are some fruits and vegetables harmful to health?
Answer:
Some fruits and vegetables may have been produced using artificial chemicals, and pesticides for quicker production. Such fruits and vegetables are harmful to health.

Give geographical reasons:

Question 1.
The system of Agricultural Produce Market Committees is established at the Taluka level.
Answer:

• Most of the farmers are economically weak.
• These farmers cannot market their production on their own.
• At these places, farmers bring their produce and sell to the traders.
• Hence, the system of Agricultural produce market committee is established at taluka level.

Question 2.
Poultry occupation is generally located in big cities.
Answer:

• Running a poultry on commercial basis requires a lot of care.
• For this scientific methods are employed.
• Areas in big cities provide a ready market for this occupation.
• Hence poultry occupation is generally located in big cities.

Question 3.
Bee keeping is an important occupation with respect to agriculture.
Answer:

• Beekeeping occupation is undertaken to obtain honey and wax.
• In order to collect honey, bees hover around the plants that bear flowers.
• This promotes the process of pollination .
• Pollination helps the trees to bear large number of fruits and increase the yield of crops. Hence, Bee keeping is an important occupation with respect to agriculture.

Question 4.
Specific type of fish species are reared separately.
Answer:

• During fishing, different types of fish and other aquatic organisms get caught in the fishing nets.
• Separating them becomes a major task.
• All organisms do not fetch the same price. Due to the above factors specific type of fish species are reared separately.

Question 5.
The expenditure of planting mulberry trees every year is saved.
Answer:

• Leaves of mulberry trees are the main food for the silk worms.
• Once planted, the mulberry trees survive for a minimum period of 15 years.
• Hence, the expenditure of planting mulberry trees every year is saved.

Question 6.
Last few years, has seen the development of nurseries.
Answer:

• In the last few years, the area under floriculture cultivation of medicinal and aromatic plants and horticulture has increased.
• These plantations require a high standard of seedlings, cuttings, bulbs and seeds.
• Nurseries give good returns.
• This has led to the development of nurseries.

Question 7.
Heavy capital investment is necessary for extensive grain fanning.
Answer:

• Extensive grain farming Is carried out with the help of machines like tractors and crushers.
• Pesticides are sprayed with the help of helicopters or planes.
• Huge expenditures are needed for the purchase of machinery, fertilizers, pesticides, godowns, transport cost, etc.
• So heavy capital investment is necessary for extensive grain farming.

Question 8.
Market gardening is also known as truck farming.
Answer:

(i) Market gardening has developed as a result of urbanization and the ready markets available in urban centres.

(ii) Farmers cultivate vegetables and other items in the vicinity of urban centres to cater to the demands of city dwellers.

(iii) Market gardening is dependent on good transport network.

(iv) The quality and price of the product is determined by rapid transport. Hence, market gardening is also known as ‘truck farming’.

Question 9.
Agrotourism is financially beneficial for the farmer and his village.
Answer:

• Agrotourism is a new field in tourism.
• In the tropics, various types of agricultural products are cultivated.
• City dwellers are curious about the farmer’s life and environment.
• Many of the city dwellers visit the rural areas to see this. So, Agrotourism is financially beneficial for the farmer and his village.

Question 10.
In intensive farming the economic condition of the cultivator is poor.
Answer:

• Intensive farming is practised in areas of high population.
• Due to large population per head holding is small.
• Because of small land holding & traditional methods of cultivation farm production is sufficient only for the requirement of the family.
• As the farm production is low, the economic conditions of the cultivator is poor.

Question 11.
How do farmers grow their crops?
Answer:

• After deciding what to grow, farmers often till the land by loosening the soil.
• The soil is then mixed with fertilizers.
• Then they sow seeds or plant seedlings.
• When the crops are growing farmer must water the seed and kill crop pests.

Write short notes on:

Question 1.
Greenhouse farming:
Answer:
(i) Greenhouse farming is a highly specialized type of farming of the modem era.

(ii) For erecting a greenhouse galvanized iron pipes and plastic sheets are used. It can have total control on natural factors like climate, heat, atmospheric moisture as well as soil moisture.

(iii) Its main aim is to control pest attack by controlling water, light & temperature.

(iv) Green house farming facilitates getting maximum product from land. It assists in getting maximum economic benefit

(e) Greenhouses are used on large scale for growing flowers like lily & gerbera to igive maximum returns.

Question 2.
Market gardening:
Answer:
(i) Market gardening is a type of cultivation developed mainly as a result of urbanization & ready markets available in urban centres.

(ii) Farmers cultivate vegetables & other items in the vicinity1 of urban centres to cater to the demands of city dwellers.

(iii) The landholding is small. Use of irrigation, organic & chemical fertilizers, low investment, use of manpower, demand of markets, use of science & technology are the characteristics of market gardening.

(iv) It is dependent on good transport network. The quality & price of the product is determined by rapid transport. Hence this type of farming is also called truck farming.

Question 3.
Organic farming:
Answer:

(i) The nutrient requirements of the crops is fulfilled by soil & therefore replenishment of used up nutrients is necessary.

(ii) Nutrients are also used abundantly to increase the yield. Organic fertilizers are prepared for this purpose

(iii) The litter should be decomposed in the ground. Grass like resbania or jute are also buried in the soil for making manures Cowdung & compost manures are used. Vermicompost is obtained from organic waste.

(iv) When farming is done using all the vestal matter mixed in the soil it is called organic farming

(v) The crop obtained from organic farming is high in quality.

Question 4.
Agrotourism:
Answer:

• Agrotourism is a new field in tourism.
• Vicinity – the area near or surrounding a particular place.
• In the tropics various types of agricultural products are cultivated. Hence there is greater scope for agrotourism.
• In agrarian countries the rural life, local customs & culture are utilized for agrotourism.
• City dwellers are curious about the farmers’ life & environment and many of them visit rural areas just to see this.
• Agrotourism is financially beneficial for the farmer & his village.

Question 5.
Importance of marketing system in India:
Answer:
The following points explain the importance of marketing systems in countries like India:

• Agriculture in India is scattered over vast areas.
• All farmers are not organized.
• Most of the farmers are economically weak & cannot market their production on their own.
• As farm produce is perishable, there has to be a proper arrangement for its sale.

Question 6.
Beekeeping.
Answer:

• Beekeeping is an important occupation with respect to agriculture
• It is undertaken to obtain honey & wax. In order to collect honey, bees hover around the plants that bear flowers.
• This promotes the process of pollination.
• As a result, the trees bear large number of fruits & the crop yields increase.

Question 7.
Pisciculture or Fish farming:
Answer:

• Farm ponds are dug out for the purpose of pisciculture. Water is stored in such ponds.
• Fish seeds are released in the ponds. For this seeds of fresh water species are used.
• In order to achieve the best growth of fish, scientific methods are employed.

Question 8.
Give comparative account of any two methods of irrigation
Answer:
Well irrigation, canal irrigation, drip & sprinkler irrigation, tank irrigation etc. are various methods of irrigation. Wells & canals have been used for irrigation since ancient times.

Well irrigation:-

• In this type of irrigation, a well is dug in the ground from which ground water is taken out for irrigation,
• The area required for digging wells is less,
• It is a cheap, dependable & popular method of irrigation in India.

Canal irrigation:-

• In this type of irrigation, dams are constructed on rivers & water of the river is stored in the reservoir,
• The stored water is then supplied to fields with the help of canals,
• Canal irrigation requires vast area for construction of dam as well as constructing network of canals,
• Canal irrigation is dependable but costly method of irrigation.

Question 9.
Sericulture:
Answer:

• Rearing of silkworm in order to obtain silk is sericulture.
• Leaves of the mulberry trees are the main food for these silk worms.
• Once planted the mulberry trees survive for a minimum period of 15 years.
• Silk thread is obtained from the cocoon of the silk. These threads are very fine & strong. They are used to weave silk cloth.

Maharashtra State Board Class 7 History Solutions Chapter 11 Marathas – The Protectors of the Nation

Class 7 History Chapter 11 Marathas – The Protectors of the Nation Textbook Questions and Answers

1. Name them:

Question 1.
They came from Afghanistan.
Answer:
The Pathans

Question 2.
They settled at the foothills of the Himalayas.
Answer:
The Rohillas

Question 3.
The brother of Nanasaheb Peshwa.
Answer:
Raghunathrao

Question 4.
The chief of Jats at Mathura.
Answer:
Surajmaljat

Question 5.
Defeated the Nizam at Rakshasbhuvan near Paithan.
Answer:
Madhavrao

2.Write in brief about:

Question 1.
Raising the Maratha standard at Attack. Or Hoisting the Maratha standard at Attack.
Answer:

• Najib Khan, the Rohillas chief could not tolerate the Maratha supremacy.
• Najib Khan requested Abdali to invade India again. He captured Delhi.
• He returned to Afghanistan and collected huge wealth.
• Raghunathrao and Madhavrao Holkar marched to the North and captured Delhi.
• They defeated Abdali’s officers and captured Punjab.

Question 2.
Conflict with the Afghans.
Or
Battle with the Afghans.
Answer:

• In CE 1751, Ahmadshah Abdali conquered Punjab.
• Due to that, the Mughals were facing threat from Abdali.
• So they joined hands with the Marathas to protect Delhi.
• The Emperor signed a treaty with Marathas in 1752.
• As per the treaty, the Marathas agreed to protect the Mughal Empire.
• The Maratha army marched towards Delhi.
• As Abdali got this news, he returned to his native country (Afghanistan).
• Due to the Maratha power, the threat of Abdali got subsided.

Question 3.
The after effects of the battle of Panipat.
Answer:

• The Marathas were defeated.
• The whole generation of Marathas were killed.
• Many brave soldiers died on the battlefield.
• It caused a great harm to the reputation of Marathas in Northern India.

3. Arrange chronologically:

• The battle of Rakshasbhuvan
• The death of Tipu Sultan
• The death of Madhavrao Peshwa
• The battle of Panipat
• The battle of Buradi Ghat

Answer:

• The battle of Buradi Ghat
• The battle of Panipat
• The battle of Rakshasbhuvan
• The death of Madhavrao Peshwa
• The death of Tipu Sultan.

4. Find the names of people in the chapter :

Question 1.
N _ n _ _ _ _ _ _
Answer:
Nanasaheb

Question 2.
D _ _ _ _ _ _
Answer:
Dattaji

Question 3.
N _ _ _ _ _ _ _ _
Answer:
Nizamshah

Activity:

Find more information about the battle of Panipat on the internet and make a presentation in your class.

Class 7 History Chapter 11 Marathas – The Protectors of the Nation Additional Important Questions and Answers

Complete the sentence by choosing the appropriate word from the options given below:

Question 1.
Ahmadshah Abdali was the Emperor of ______. (Mysore, Paithan, Afghanistan)
Answer:
Afghanistan

Question 2.
The chief of the Maratha artillery was ____. (Ibrahim khan, Hyder Ali, Najib Khan)
Answer:
Ibrahim khan

Question 3.
The Marathas defeated _________ in a battle at Motitalao near Srirangapattan. (Hyder Ali, Ibrahim Khan, Abdali)
Answer:
Hyder Ali

Question 4.
Safadarjung was the Nawab of ______.(Mysore, Paithan, Ayodhya)
Answer:
Ayodhya

Question 5.
_____ the ruler of Afghanistan conquered Punjab in 1751 CE. (Ahmadshah Abdali, Rohillas, Hyder Ali)
Answer:
Ahmadshah Abdali

Question 6.
Nanasaheb sent ________ to the North to crush Abdali. (Sadashivraobhau, Surajmal Jat, Vishwasrao)
Answer:
Sadashivraobhau

Question 7.
Hyder Ali usurped the throne of _____ (Mysore, Paithan, Ayodhya)
Answer:
Mysore

Question 8.
______was a Rohilla chief. (Ibrahimkhan, Najibkhan, Ahmadshah)
Answer:
Najibkhan

Question 9.
Madhavrao defeated the Nizam at ______ near Paithan. (Srirangapattan, Rakshasbhuvan, Buradi Ghat)
Rakshasbhuvan

Question 10.
After the death of Peshwa Nanasaheb, his son ________ succeeded him. (Bajirao II, Madhavrao, Vishwasrao)
Answer:
Madhavrao

Match the following:

Question 1.

Answer:
1 – b
2 – c
3 – d
4 – e

Find the name of people in the chapter:

Question 1.
I _ _ _ h _ _ _ _ _ _
Answer:
Ibrahimkhan

Name them:

Question 1.
He met a heroic death in the battle.
Answer:
Dattaji

Question 2.
He became Peshwa after Bajirao.
Answer:
Nanasaheb

Question 3.
They do not help Marathas in the Battle of Panipat.
Answer:
Jats and Rajputs

Question 4.
The army of the Marathas attacked Abdali on 14th January, 1761.
Answer:
Battle of Panipat

Question 5.
The Sultan who took advantage of the defeat of the Marathas at Panipat and attacked the Maratha territory in Karnataka.
Answer:
Sultan Hyder Ali

Question 6.
The death of this capable Peshwa caused a great loss to Maratha Kingdom.
Answer:
Peshwa Madhavrao

Question 7.
Understood that only Marathas can rule over the chaos in North and wished that Marathas should rule the North.
Answer:
Abdali and his heirs

Answer the following in one sentence:

Question 1.
Why did the Peshwa send Dattaji Shinde and Janakoji Shinde to the North?
Answer:
The Peshwa sent Dattaji Shinde and Janakoji Shinde to crush the power of Najibkhan and to get a firm hold over the Punjab.

Question 2.
Why did the Nawab of Ayodhya invite the Marathas?
Answer:
The Nawab invited the Marathas to subdue the Rohillas.

Question 3.
Who helped the wounded Maratha soldiers in the Panipat battle?
Answer:
Surajmal Jat, Queen Kishori helped the wounded Maratha soldiers in the Panipat battle.

Question 4.
When did the third battle of Panipat start?
Answer:
The Marathas attacked Abdali on 14th January, 1761 and the third battle of Panipat started.

Question 5.
What conditions were laid in the treaty signed between the Emperor and the Marathas in April 1752?
Answer:
According to this treaty, the Marathas agreed to protect the Mughal Empire from enemies like the Rohillas, Jats, Rajputs and Afghans, etc. In return, the Marathas got cash and the rights to collect Chauthai from a few regions of North (Punjab, Multan, Rajputana, Sindh and Rohilkhand).

Question 6.
With whom did Nanasaheb campaign against Abdali?
Answer:
Jayappa Shinde, Madhavrao Holkar along with Nanasaheb campaigned against Abdali.

Question 7.
Why did Hyder Ali attack Marathas when they were defeated at Panipat and they had become weak?
Answer:
Hyder Ali thought that the Marathas were defeated at Panipat and they had become weak and so he attacked them.

Question 8.
In which battle did the Marathas defeat Hyder Ali?
Answer:
In the battle at Moti Talav, near Srirangapattan

Question 9.
From where did the Pathans migrate and settle?
Answer:
The Pathans had migrated from Afghanistan and they settled near Ayodhya at the foot of the Himalayas.

Question 10.
How did the history of Maratha describe Madhavrao?
Answer:
Madhavrao is described as an honest, hardworking, determined and a caring administrator for the common people.

Answer in brief:

Question 1.
The battle of Panipat.
Answer:

• Sadashivraobhau captured Delhi.
• The third battle of Panipat started.
• The Marathas attacked Abdali on 14th January, 1761.
• A bullet hit Vishwasrao and he fell dead.
• When Sadashivraobhau heard this, he attacked the enemy in madness, and disappeared from the battlefield.
• The Maratha soldiers lost courage.
• Abdali with the reserve contingent attacked the Marathas.
• The Marathas got defeated.

Complete the following family tree of Peshwa:

Question 1.

Answer:

1. Balaji alias Nanasaheb
2. Raghunathrao
3. Madhavrao (Peshwa)
4. Sawai Madhavrao (Peshwa)

Question 2.
Find the name of people in the lesson in following grid:
Answer:

Maharashtra State Board Class 7 Geography Solutions Chapter 1 How Seasons Occur Part 1

Class 7 Geography Chapter 1 How Seasons Occur Part 1 InText Questions and Answers

1. Answer the following questions in one sentence:

Question 1.
How do day and nigbt occur on the earth?
Answer:
Day and night occur on the earth because of the earths rotation.

Question 2.
What term is used to describe the earth’s revolution around the sun?
Answer:
The term orbital motion is used to describe the earth’s revolution around the sun.

Question 3.
How long does the earth take to do so?
Answer:
The earth takes 365 days and 6 hours to complete one revolution.

Question 4.
In which hemispheres is our country located?
Answer:
Our country lies in the northeastern hemisphere.

Question 5.
Why don’t the sun’s rays fall perpendicularly at all places on the earth?
Answer:
The sun’s rays do not fall perpendicularly at all the places on the earth because the earth is not flat but spherical in shape.

2. Can you tell?

Records of the entries of sunrise and sunset for the month of June are given below. Answer the questions, that follow.

Question 1.
Refer to the table above and state which are the longest days?
Answer:
The longest days are from 19th June to 26th June.

Question 2.
What difference do you notice in the duration of the nights from 19th June to 28th June?
Answer:
The duration of the nights keeps on increasing day by day.

Question 3.
What is the reason behind it?
Answer:
The sun is now moving southwards.

Question 4.
How did you find out the duration of the night?
Answer:
The duration of the day is subtracted from 24 hours to get the duration of the night.

Question 5.
Which two dates have days and nights of the same duration?
Answer:
March 22 and September 23 have the same duration of days and nights.

Question 6.
With the help of the table, you saw how the duration of the day and the night changes. Do you think such a change occurs everywhere on the earth?
Answer:
Yes, duration of day and night changes everywhere on the earth.

Question 7.
Use the above format to record the duration of daytime from 19th to 28th of every month from September to December.
Answer:
Students should expected to attempt the activity & answer on their own.

3. Think about it:

Question 1.
If the position of the shadow on the wall moves towards the north, in which direction does the location of sunrise or sunset appear to shift?
Answer:
If the position of the shadow on the wall moves towards the north, the location of sunrise or sunset will shift southwards.

Class 7 Geography Chapter 1 How Seasons Occur Part 1 Additional Important Questions and Answers

Fill in the blanks choosing the correct options from the brackets:

Question 1.
The earth’s _______ has enabled us to measure time in terms of days. (revolution, rotation, orbital motion)
Answer:
rotation

Question 2.
The earth rotates from _________ (north to south, east to west, west to east)
Answer:
west to east

Question 3.
The Earth takes _______ hours to rotate around itself. (365,144, 24)
Answer:
24

Question 4.
India lies in the ____ hemisphere. (northeastern, northwestern, southeastern)
Answer:
northeastern

Question 5.
The ________of sunrise and the sunset on the horizon³ for the whole year keep on changing. (position, shadow, rotation)
Answer:
position

Maharashtra State Board Class 7 History Solutions Chapter 13 Life of the People in Maharashtra

Class 7 History Chapter 13 Life of the People in Maharashtra Textbook Questions and Answers

1. Complete the chart.

Answer:

2. Which undesirable customs are prevalent in today’s society ? Suggest measures for their eradication.
Answer:
The bad traditions prevalent in the society are:

• No Education for girls.
• Female infanticide.
• Dowry.
• Animal sacrifice
• Superstitions.
• Bonded labour.

The ways to get rid of these bad traditions are:

• Special provisions for girl’s education.
• Awareness programme for women.
• Inculcating scientific attitude.
• Special law to protect the women and girl child.
• Thinking positive, parental guidance to think in a systematic way, to get science knowledge update to disperse the blind belief will eradicate superstition.

3. Make a detailed notes of the festivals and auspicious days in your area.
Answer:
(a) Diwali, Holi, Mahashivaratri, Eid, Raksha Bandhan, Navaratri, Krishna Janmashtami, Gurpurabh, Parsi new year, Onam are celebrated with great pomp and show in our area.

(b) Sanskasthi Chaturthi, Ekadashi, Akshaya Tritiya etc., are some of the auspicious days celebrated in our area.

4. Use the following points to compare life in the era of Shivaji Maharaj and today’s life.

Answer:

Activity

Gather information about the capable women of our country and read it aloud in your class, e.g. information on P.V. Sindhu, Sakshi Malik.

Class 7 History Chapter 13 Life of the People in Maharashtra Textbook Questions and Answers

Complete the sentence by choosing the appropriate words from the options given below:

Question 1.
The Patils were given some land as Inam for his job as a _____. (Patil, Jagir, Watans)
Answer:
Patil

Question 2.
For any major or minor events or for battles an ______ was checked. (Time, Muhurta, Place)
Answer:
Muhurta

Question 3.
The _______ festival was celebrated on a large scale during the Peshwa Era. (Ganesh, Diwali, Makar Sankranti)
Answer:
Ganesh

Question 4.
______ script was used for day to day affairs. (Marathi, Sanskrit, Modi)
Answer:
Modi

Question 5.
______ was very popular sport. (Wrestling, Mallakhamb, Martial arts)
Answer:
Martial arts

Question 6.
The Jain Mandir at Jamod in Vidarbha had paintings of Jin Charitra, ______ stories (mythological, various festivals, animals)
Answer:
Mythological

Question 7.
________ was popular as an entertainment programme during the Peshwa Era. (Stage show, Tamasha, Lavani)
Answer:
Tamasha

Question 8.
_______ was a well-known painter. (Mallamma Desai, Gopikabai, Gangaram Tambat)
Answer:
Gangaram Tambat

Question 9.
The letters were carried by _______and messengers. (Birds, Camel riders, Post)
Answer:
Camel riders

Question 10.
People used to believe in ______ a lot. (astrology, scientific vision, dreams)
Answer:
astrology

Match the following:

Question 1.

Answer:
1 – b
2 – c
3 – d
4 – e
5 – a

Question 2.

Answer:
1 – b
2 – a
3 – d
4 – c

Answer in one or two sentences:

Question 1.
What was the chief source of production at the village level during the Peshwa era?
Answer:
Agriculture and agriculture based businesses were die chief source of production at the village level.

Question 2.
When was Ganesh festival celebrated?
Answer:
Ganesh festival was celebrated every year Bhadrapad Chaturthi to Anant Chaturdashi.

Question 3.
Which festivals were celebrated during Diwali?
Answer:
During Diwali the Balipratipada and Bhau- beej days were celebrated on large scale.

Question 4.
What were organised during the Jatras days?
Answer:
Wrestling Match were Organised during the Jatras days.

Question 5.
Which Subjects were taught in Pathshalas and Madarasas?
Answer:
Writing, reading, accounting were taught in Pathshalas and Madarasas.

Question 6.
Which games were played during the Peshwa Era?
Answer:
Martial arts were very popular, Mallakhamb Dand, Wrestling, Lathi, Dandpatta, Bothati these games were played.

Question 7.
What was the religious policy of Chhatrapati Shivaji Maharaj?
Answer:
(i) Chhatrapati Shivaji Maharaj had a liberal religious policy.
(ii) He believed that everyone should follow his or her own religion but nobody should force his or her religion upon others.

Question 8.
What did the daily meal of the people consist of?
Answer:
The daily meal consisted of Bhakari, onion, chutney and gravy.

Question 9.
What did men and women use to wear during that period?
Answer:
(a) Men used to wear dhoti, kurta, angarakha, turban.
(b) Women use to wear sarees (nine-yard) and blouses.

Question 10.
What were used in Wada decoration?
Answer:
Artwork, decorative painting, firewood, sculptures, mirrors were used in wada decoration.

Name the following:

Question 1.
The land was given as inam to Patils do the job.
Answer:
Patilaki

Question 2.
Festival celebrated on large scale.
Answer:
The Ganesh festival.

Question 3.
Crops grown.
Answer:
Jowar, bajra, wheat, nachni, corn, rice etc.

Question 4.
Education was given in.
Answer:
Pathshalas and Madarasas.

Question 5.
Modes of transport.
Answer:
Ghat roads, the bridges on the river, boats.

Question 6.
Means of communication.
Answer:
Camel riders and Messengers.

Question 7.
Popular outdoor games.
Answer:
Hututu, Kho-kho and Atyapatya.

Question 8.
Learned women in the Peshwa Era.
Answer:
(a) Veermata Jijabai
(b) Maharani Yesubai
(c) Maharani Tarabai
(d) Umabai Dabhade.

Question 9.
Famous architect during that period.
Answer:
Hiroji Indulkar.

Answer in brief:

Question 1.
Discuss everyday living of the people in that Era.
Answer:
Most of the people were staying in the village. The villages were self sufficient.

(a) Crops grown: The farmers grown the crops like jowar, bajra, wheat, nachani, com, rice etc.

(b) Food: The farmers’ daily meal consisted of bhakari, onion, chutney and gravy. Rich people’s meal consisted of rice, dal-varan, chapatis, vegetables, salads and milk products.

(c) The transaction in rural area were based on barter system.

(d) Houses: The houses were simple and were made of soil and bricks.

(e) Clothing :
(i) Men wear – Dhoti, Kurta, Angarakha, Turban.
(ii) Women wear – Saree (nine yard) and blouse.

Question 2.
The life of women’s during Peshwa Period.
Answer:
(a) Their world were confined to the house of first their father and then their husband.

(b) Their education was neglected.

(c) Only a few exceptional women had achieved any progress in literacy, administration and battle skills.

(d) They include Veermata Jijabai, Maharani Yesubai, Maharani Tarabai, Umabai Dabhade, Gopikabai, Punyashlok Ahilyabai.

(e) Customs like child marriage, unequal marriage, widowhood, keshwapan, sati, polygamy had imposed harsh restrictions on the way women lived.

Maharashtra State Board Class 7 History Solutions Chapter 12 Progression of the Empire

Class 7 History Chapter 12 Progression of the Empire Textbook Questions and Answers

1. Answer in one word:

Question 1.
She took the charge of the Indore administration.
Answer:
Ahilyabai Holkar

Question 2.
The most capable and brave man in Nagpurkar Bhosale family.
Answer:
Raghuji

Question 3.
He reinstated the Emperor on the throne of Delhi.
Answer:
Mahadji Shinde

Question 4.
He managed politics in the South.
Answer:
Nana Phadnavis

2. Arrange chronologically:

• The battle of Ashti.
• Maratha dominance over Odisha.
• The British hoisted the Union Jack in Pune.

Answer:

• Maratha dominance over Odisha.
• The battle of Ashti.
• The British hoisted the Union Jack in Pune.

3. Write briefly:

Question 1.
The work done by Ahilyabai Holkar.
Answer:

• She created new laws for agricultural tax and tax recovery.
• She brought barren land under cultivation.
• Dug wells for farmers.
• She promoted trade and industry.
• Built water reservoirs.
• She constructed mandirs, ghats, matts and dharamshalas.
• Provided water facilities over India.
• She brought cultural integration in the country.

Question 2.
The valour shown by Mahadji Shinde.
Answer:
(a) He played a major role in re-establishing the Maratha power in the North after the defeat of the Marathas at Panipat.

(b) He realised that guerilla tactics would not be any more useful so he trained and modernised his army under a French military expert de Boigne.

(c) With this trained army, he defeated the Rohillas, the Jats, the Rajputs and the Bundellas.

(d) Mahadji managed the difficult affairs with strong determination and looked after the Delhi affairs during CE 1784 to CE 1794.
The Mughal Emperor honoured him with the title Vakil-i-Mutlak.

Question 3.
The Maratha rule in Gujarat.
Answer:
(a) General Khanderao Dabhade and his son laid the foundation of Maratha power in Gujarat.

(b) After the death of Khanderao, his wife Umabai took the charge, bravely fought the battle with Mughal Sardar at Ahmadabad and captured a fort.

(c) The Gaikwads made Vadodara their centre of power.

4. Discuss the reasons behind the end of the Maratha rule.
Answer:
The reasons behind the end of Maratha rule were:

(a) After the death of Mahadji Shinde and Nana Phadnavis, the Maratha power started declining.

(b) Raghunathrao’s son, Bajirao II the Peshwa did not have leadership qualities which could create solidarity among the Maratha Sardars.

(c) Maratha power got weakened due to these differences among the Maratha Sardars.

(d) The supremacy of the Marathas declined in the North and the South during the period of Bajirao II.

(e) The British dethroned the Maratha power and became the rulers

Activity:

Create a pictorial chart to show the families that contributed to the expansion of the Maratha power. Exhibit it in your school.

Class 7 History Chapter 12 Progression of the Empire Additional Important Questions and Answers

Complete the sentence by choosing the appropriate word from the options given below:

Question 1.
The Gaikwads made _______ in Gujarat a seat of their power. (Vadodara, Ahmadabad, Surat)
Answer:
Vadodara

Question 2.
_____ was the founder of the Holkar rule in Indore. (Mahadji, Malharrao, Raghunathrao)
Answer:
Malharrao

Question 3.
_____ managed to take care of the politics in the South. (Nana Phadnavis, Kanhoji, Khanderao)
Answer:
Nana Phadnavis

Question 4.
________ strengthened the naval power of Shivaji. (Patwardhan, Bhosale of Nagpur,Kanhoji Tulaji Angre)
Answer:
Kanhoji Tulaji Angre

Question 5.
During the reign of _____ there was a complete breakdown of the Maratha power. (Ahilyabai, Bhosale, Bajirao-ll)
Answer:
Bajirao-ll

Question 6.
_____ laid the foundation of Maratha power in Gujarat. (Khanderao Dabhade, Madhavrao, Raghuji)
Answer:
Khanderao

Question 7.
Malharrao Holkar was well versed in ________ (Sword fighting, Martial art, Guerrilla Warfare)
Answer:
Guerrilla warfare

Question 8.
The British managed to get the rights of the _______ of the Bengal region. (Diwani, Chauthai, Sardeshmukhi)
Answer:
Diwani

Question 9.
Delhi was under the influence of Maratha power till ______. (1803 CE, 1807 CE, 1819 CE)
Answer:
1803 CE

Question 10.
British defeated the Marathas in the battle of Ashti in Solapur in _________. (CE 1818, CE 1820, CE 1814)
Answer:
1818 CE

Match the following:

Question 1.

Answer:
1 – b
2 – a
3 – d
4 – c

Answer in one word:

Question 1.
Title conferred to Mahadji Shinde.
Answer:
Vakil-i-Mutlak (Chief agent of the Emperor)

Question 2.
An expert in guerilla tactics.
Answer:
Mahadji Shinde

Question 3.
She was the wife of Khanderao, Malharrao’s son.
Answer:
Ahilyabai Holkar

Question 4.
Managed the supremacy in the South.
Answer:
Nana Phadnavis

Question 5.
Peshwa who didn’t have leadership qualities.
Answer:
Bajirao II

Question 6.
Appointed as Sardar in the North.
Answer:
Ranoji Shinde

Answer in one or two sentences:

Question 1.
Which regions were given as jagirs to Parasoji by Shahu Maharaj?
Answer:
Varhad and Gondawan were given to Parasoji by Shahu Maharaj.

Question 2.
What rights were assigned to Raghuji?
Answer:
Raghuji Bhosale was assigned the Chauthai rights of Bengal, Bihar and Odisha.

Question 3.
Who laid the foundation of the Maratha power in Gujarat?
Answer:
Khanderao Dabhade and his son Trimbakrao laid the foundation of the Maratha power in Gujarat.

Question 4.
Why did Mahadji Shinde train his army?
Answer:
Mahadji Shinde trained his army because the Marathas generally used the guerrilla tactics in 1 the hilly regions of the South. But would not be
suitable in the plains of the North.

Question 5.
What was the contribution of Punyashloka Ahilyabai?
Answer:
(a) Punyashloka Ahilyabai ruled for twenty-eight years and enhanced the Maratha prestige in the North.
(b) She brought peace and order in her kingdom and made her people happy.

Question 6.
What was crystal clear amongst the British and Marathas?
Answer:
It was crystal clear that whoever will rule India will be ultimately decided by the war between the Marathas and the British.

Give reason:

Question 1.
Mahadji Shinde conferred the title of Vakil-i- Mutlak (Chief agent of the Emperor).
Answer:
British wanted to take the Delhi Emperor in their captivity. Even though the conditions were unfavourable, Mahadji Shinde defeated the British and again reinstated the Emperor on the throne. The Emperor was pleased with his bravery and conferred the title of Vakili- Mutlak. (Chief Agent of the Emperor).

Question 2.
The Maratha Sardars became successful in establishing the supremacy in North and South India.
Answer:
After the death of Madhavrao Peshwa, the Maratha Empire went in a disarray, Nana Phadnavis and Mahadji Shinde brought it back to normal. Mahadji was busy in the North to establish the supremacy of Marathas, Nana Phadnavis managed to take care of the politics in South. Leadership and capability helped the Maratha power to reach to a new pinnacle. Hence the Maratha Sardar became successful in establishing the supremacy in north and south India.

Question 3.
The supremacy of Marathas in the North and the South declined in the times of Bajirao II.
Answer:
Bajirao II became the Peshwa. He didn’t have any leadership qualities. On the contrary he had many vices. He couldn’t create solidarity amongst the Maratha Sardars. Because of many such reasons, the supremacy of the Maratha power in the North and the South declined in the times of Bajirao II.

Write short notes on:

Question 1.
Malharrao Holkar
Answer:

• He was the founder of the Holkar rule at Indore.
• He served the Maratha kingdom for a long time.
• He was expert in guerilla warfare.
• He proved his valour in the eras of Bajirao I and Nanasaheb Peshwa.
• He played a major role in establishing the supremacy of the Marathas in Malwa and Rajputana.
• He greatly helped Madhavrao Peshwa in re-establishing the Maratha supremacy after the defeat at Panipat.

Question 2.
Mahadji Shinde
Answer:

• Madhavrao Peshwa was conferred the title of Vakil-i-Mutlak by the Emperor. He was brave and an astute statesmen.
• After the Maratha defeat at Panipat, he played a major role in re-establishing the Maratha dominance and prestige in the Northern India.
• He realised that the guerilla tactics of Marathas would not be useful in the plains of the northern region.
• He trained his army under the French military expert de-Boigne and updated his artillery.
• With the help of his trained army, he subdued the Rohillas, Jats, Rajputs, Bundellas, etc.

Maharashtra State Board Class 7 History Solutions Chapter 2 India before the Times of Shivaji Maharaj

Class 7 History Chapter 2 India before the Times of Shivaji Maharaj Textbook Questions and Answers

1. Name the following:

Question 1.
The Queen of Gondvana –
Answer:
Rani Durgavati

Question 2.
The son of Udaysingh –
Answer:
Maharana Pratap

Question 3.
The founder of Mughal dynasty –
Answer:
Babur

Question 4.
The first Sultan of the Bahamani kingdom–
Answer:
Hasan Gangu

Question 5.
The fighting force established by Guru Gobindsingh –
Answer:
Khalsa Dal

2. Find the odd one out:

Question 1.
Sultan Mahmud, Qutubuddin Aibak, Muhammad Ghuri, Babur
Answer:
Sultan Mahmud

Question 2.
Adilshahi, Nizamshahi, Sultanate,Baridshahi
Answer:
Sultanate

Question 3.
Akbar, Humayun, Shershah, Aurangzeb
Answer:
Shershah

3. Answer briefly:

Question 1.
How did the kingdoms of Vijaynagar and Bahamani emerge?
Answer:
(i) During the reign of Sultan Muhammad Tughlaq of Delhi, there were many revolts in the South against the central power of Delhi.
(ii) From these revolts arose the formidable Vijaynagar and Bahamani kingdoms.

Question 2.
What reforms did Mahmud Gawan make?
Answer:
(i) Mahmud Gawan strengthened the Bahamani kingdom.
(ii) He started paying the soldiers their salary in cash instead of through land grants.
(iii) He brought discipline in the army.
(iv) He introduced many reforms in the land revenue system. He opened a Madarsa at Bidar for Arabic and Persian studies.

Question 3.
Why did it become impossible for the Mughals to strengthen their base in Assam?
Answer:
(i) While Aurangzeb ruled, the Ahoms had a prolonged struggle with the Mughals.
(ii) The Mughals attacked the Ahoms’ region.
(iii) The Ahoms united under the leadership of Gadadharsinha. Commander Lachit Borphukan gave an intense battle against the Mughals.
(iv) The Ahoms used the guerilla technique in the conflict against the Mughals.
(v) It became impossible for Mughals to create a strong base in Assam.

4. Write about them briefly in your own words.

Question 1.
Krishnadevaraya
Answer:
(a) Krishnadevaraya, ascended the throne of Vijaynagar in 1509 CE. He conquered Vijaywada, Rajmahendri and annexed the regions to his kingdom.
(b) He successfully took on the armies of the Sultans who had united under the leadership of the Bahamani Sultan Mahmud Shah.
(c) During his reign the Vijaynagar kingdom extended far and wide.
(d) He built the Hazar Ram temple and Vitthal temple in Vijaynagar.
(e) A scholar he wrote ‘Amuktamalyada’, a Telugu compendium on polity.
(f) Decline of the Vijaynagar kingdom began with his death in the year 1530 CE.

Question 2.
Chandbibi was murdered.
Answer:
(a) Chandbibi, the capable daughter of Husain Nizamshah of Ahmadnagar, bravely defended the fort displaying courage and valour.
(b) At this time, there was an internal strife among the factions of the Sardars in Nizamshahi’s kingdom resulting in the murder of Chandbibi.

Question 3.
Rani Durgavati
Answer:
(a) Rani Durgavati, bom in the dynasty Chandel Rajput became the queen of Gondvana after her marriage.
(b) She was an excellent administrator. Her struggle against the Mughals is important in Medieval history.
(c) After her husband’s death, Durgavati laid down her life but refused to surrender while fighting against Akbar.

5. Give reasons:

Question 1.
The Bahamani Kingdom disintegrated into five fragments.
Answer:
(a) After the death of Mahmud Gawan, factionsim increased among the Bahamani Sardars.
(b) The conflict with the Vijaynagar kingdom had an adverse effect on the Bahamani kingdom.
(c) The provincial Governors began to act more independently. This led to the disintegration of the Bahamani kingdom into five small power-Imadshahi of Varhad, Baridshahi of Bidar, Adilshahi of Bijapur, Nizamshahi of Ahmadnagar and Qutubshahi of Golconda.

Question 2.
Rana Sanga’s army was defeated.
Answer:
(a) After the battle of Panipat, Rana Sanga of Mewad brought all Rajput kings together.
(b) There was a battle between Babur and Rana Sanga at Khanua.
(c) Babur’s artillery and reserved force played a key role in this battle and Rana Sanga’s army was defeated.

Question 3.
Rana Pratap has become immortal in history.
Answer:
(a) After the death of Udaysingh, Maharana Pratap ascended the throne of Mewad.
(b) He continued the struggle for Mewad’s existence.
(c) Till the very end he struggled with Akbar to maintain his independence.
(d) He has become immortal in history due to his qualities of valour, courage, self-respect and sacrifice.

Question 4.
Aurangzeb imprisoned Guru Tegh Bahadur.
Answer:
(a) Guru Tegh Bahadur, protested strongly against Aurangzeb’s policy of religious intolerance.
(b) Aurangzeb imprisoned him and beheaded him in 1675.

Question 5.
The Rajputs fought against the Mughals.
Answer:
(a) Akbar had secured the cooperation of the Rajputs with his policy of amicable relations.
(b) Aurangzeb could not obtain the cooperation of Rajputs. After the death of Rana Jaswantsingh of Marwad, Aurangzeb annexed his kingdom to the Mughal empire.
(c) Durgadas Rathod crowned Jaswantsingh’s minor son of Ajitsingh of Marwad.
(d) Durgadas Rathod fought hard against the Mughals and continued his struggle against the Mughals for the existence of Marwad.

6. Complete the timeline.

Answer:

7. Using the internet, find out more about any one of the personalities you have studied here, and fill in the box below.

Activity

Obtain more information about the personalities mentioned in this chapter.Use reference books, the internet, newspapers, etc. Prepare a collage of the pictures information in your activity book and display it in the history cell.

Class 7 History Chapter 2 India before the Times of Shivaji Maharaj Additional Important Questions and Answers

Complete the sentences by choosing the appropriate words from the options given below:

Question 1.
‘Pal’ in the ______ was a famous dynasty in Bengal. (seventh century, eight century, ninth century)
Answer:
eight century

Question 2.
Prithviraj Chauhan belonged to _______ dynasty. (Rajput dynasty, Chauhan dynasty, Chola dynasty)
Answer:
Chauhan dynasty

Question 3.
The _____ period is considered to be the golden period of Marathi language. (Yadava, Rashtrakuta, Chola)
Answer:
Yadava

Question 4.
In the eleventh Century CE, the _____ began to invade India and reached the north-western frontier of India. (Afghans, Mughals, Turks)
Answer:
Turks

Question 5.
______ was the last Sultan and he was defeated by Babur, bringing the Sultanate to an end. (Muhammad Ghuri, Bulban, Ibrahim Lodi)
Answer:
Ibrahim Lodi

Question 6.
Hampi in today’s ______ was the capital of the kingdom of Vijaynagar. (Kerala, Karnataka, Tamil Nadu)
Answer:
Karnataka

Question 7.
Krishnadevaraya wrote ‘Amuktamalyada’, a Telugu Compendium on _______. (polity, economics, sociology)
Answer:
polity

Question 8.
______ was the first Sultan of the Bahamani kingdom. (Muhammad-bin-Tughlaq, Mahmud Gawan, Hasan Gangu)
Answer:
Hasan Gangu

Question 9.
In ______ the Sultanate of Delhi came to an end. (1526 CE, 1556 CE, 1605 CE)
Answer:
1526 CE

Question 10.
_______ was the Governor of Punjab under the Sultanate. (Babur, Ibrahim Lodi, Daulatkhan Lodi)
Answer:
Daulatkhan Lodi

Question 11.
_______ was the most powerful king of the Mughal dynasty. (Shahajahan, Akbar, Jahangir)
Answer:
Akbar

Question 12.
The struggle of Gondvana queen Durgavati against Mughals is important in ______ history. (modern, medieval, ancient)
Answer:
medieval

Question 13.
______ became the emperor in 1658 CE. (Shahajahan, Aurangzeb, Akbar)
Answer:
Aurangzeb

Question 14.
In the thirteenth century CE, the people of the Shaan community settled down in the valley of river ______. (Ganga, Brahmaputra, Yamuna)
Answer:
Brahmaputra

Question 15.
The ninth Guru of the Sikhs was ______.(Guru Gobind Singh, Guru Tegh Bahadur, Guru Nanak)
Answer:
Guru Tegh Bahadur

Question 16.
______ organised the Sikh youths into a fighting force called Khalsa Dal. (Guru Gobind Singh, Guru Tegh Bahadur, Guru Nanak)
Answer:
Guru Gobind Singh

Question 17.
Akbar had secured the co-operation of the ______ with his policy of amicable relations. (Rajputs, Marathas, Ahoms)
Answer:
Rajputs

Question 18.
In Maharashtra, the ______ Marathas offered stiff resistance to and defended their independence. (Babur, Humayun, Aurangzeb)
Answer:
Aurangzeb

Match the following:

Question 1.

Answer:
1 – d
2 – a
3 – e
4 – b
5 – c

Name the following:

Question 1.
Two important dynasties among the Rajput dynasties in North India.
Answer:
(a) The Gahadwal dynasty
(b) Parmar dynasty

Question 2.
Eminent rulers belonging to the Chola dynasty in Tamil Nadu.
Answer:
(a) Rajaraj I
(b) Rajendra I

Question 3.
The king belonging to the Hoysala dynasty.
Answer:
King Vishnuvardhan

Question 4.
The King who conquered the whole of Karnataka.
Answer:
King Vishnuvardhan

Question 5.
The Varkari movement emerged in
Answer:
The Yadava period

Question 6.
During his reign Rashtrakuta dynasty in Maharashtra the Rashtrakut power spread from Kanauj up to Rameshwar.
Answer:
Govind III

Question 7.
The last prosperous power before the period of Shivaji Maharaj.
Answer:
TheYadavas

Question 8.
The capital of Bhillam V of the Yadava dynasty which was near Aurangabad.
Answer:
Deogiri

Question 9.
The golden period of the Marathi Language.
Answer:
The Yadava period

Question 10.
The Arab General attacked the Sindh province in the eighth century.
Answer:
Muhammad-bin-Qasim

Question 11.
The power which began to invade India in eleventh century CE.
Answer:
The Turks

Question 12.
He invaded India many times and plundered the rich temples at Mathura, Vrindavan Kanauj and Somnath and carried away enormous wealth with him.
Answer:
Sultan Mahmud of Ghazni

Question 13.
In 1775 CE and 1178 CE, the Sultan of Ghur from Afghanistan who invaded India.
Answer:
Muhammad Ghuri

Question 14.
During his reign there were many revolts in the South against the central power of Delhi.
Answer:
Sultan Muhammad-bin-Tughluque

Question 15.
The brothers from South India who were Sardars in the service of Delhi Sultanate.
Answer:
(a) Harihar
(b) Bukka

Question 16.
The Hazar Ram temple and Vitthal temple were built in Vijaynagar during his reign.
Answer:
Krishnadevaraya

Question 17.
He defeated the army of the Sultan of Delhi.
Answer:
Hasan Gangu

Question 18.
The Chief Wazir of the Bahamani kingdom who started paying the soldiers their salaries in cash instead of giving land grants.
Answer:
Mahmud Gawan

Question 19.
The king of Farghana in Central Asia.
Answer:
Babur

Question 20.
After the battle of Panipat, he brought all Rajput kings together.
Answer:
Rana Sanga of Mewad

Question 21.
After ascending the throne of Mewad, he continued the struggle for Mewad’s existence.
Answer:
Maharana Pratap

Question 22.
The capable daughter of Husain Nizamshah of Ahmadn^gar who defended the fort of Ahmadnagar.
Answer:
Chandbibi

Question 23.
The Ahoms united under his leadership.
Answer:
Gadadharsinha

Question 24.
The commander who gave intense battle against the Mughals.
Answer:
Commander Lachit Borphukan

Question 25.
The ninth Guru of Sikhs who protested strongly against Aurangzeb’s policy of religious intolerance.
Answer:
Guru Tegh Bahadur

Question 26.
There was an attempt on the life of Guru Gobind Singh in 1708 CE at this place.
Answer:
Nanded

Question 27.
After his death Aurangzeb annexed his kingdom to the Mughal empire.
Answer:
Rana Jaswantsingh of Marwad.

Question 28.
In Maharashtra, Swaraj was established under his leadership.
Answer:
Shivaji Maharaj

Find out the odd man out:

Question 1.
Gadadharsinha, Rana Jaswantsingh, Durgadas Rathod, Ajit Singh.
Answer:
Gadadharsinha

Question 2.
Babur, Humayun, Krishnadevaraya, Jahangir
Answer:
Krishnadevaraya

Answer in one sentence:

Question 1.
Name the regions upto which the Gurjar- Pratihar power spread.
Answer:
The Gurjar-Pratihar power spread up to Andhra, Kalinga, Vidarbha, West Kathewad, Kanauj and Gujarat.

Question 2.
Which places did the Cholas conquer using their naval strength?
Answer:
The Cholas conquered the Maidive Islands and Sri Lanka using their naval strength.

Question 3.
In which period did the Mahanubhav Panth and the Varkari movement emerge?
Answer:
The Mahanubhav Panth and the Varkari movement emerged in the Yadava period.

Question 4.
Why did the Arab rulers turn towards India?
Answer:
The Arab rulers turned towards India to expand their empire.

Question 5.
Write the extent of the kingdom of Vij aynagar during Krishnadevaraya’s reign?
Answer:
During Krishnadevaraya’s reign, the kingdom of Vijaynagar extended from Cuttack in the east up to Goa in the West and from the Raichur Doab in the North up to the Indian Ocean in the South.

Question 6.
Who opposed Akbar when he tried to bring India under his central authority?
Answer:
When Akbar tried to bring India under his central authority he had to face the opposition of Maharana Pratap, Chandbibi and Rani Durgavati.

Question 7.
Which qualities of Maharana Pratap made him immortal in history?
Answer:
Maharana Pratap became immortal in history due to his qualities of valour, courage, self-respect and sacrifice.

Question 8.
Which regions together formed the Gondvana?
Answer:
Gondvana can be broadly said to comprise the eastern part of Vidarbha, part of Madhya Pradesh to its North, the Western part of today’s Chhattisgarh, Northern part of Andhra Pradesh and Western part of Odisha.

Question 9.
How did the Marathas defend their independence?
Answer:
Marathas offered stiff resistance to Aurangzeb and defended their independence.

Give reasons:

Question 1.
Babur invaded India.
Answer:
(a) The reigning Sultan of Delhi at that time was Ibrahim Lodi.
(b) Daulatkhan Lodi, was the governor of Punjab under the Sultanate.
(c) The relationship between Ibrahim Lodi and Daulatkhan Lodi was strained.
(d) Daulatkhan Lodi invited Babur to march to India. Taking this opportunity, Babur invaded India.

Write briefly in your own words:

Question 1.
The First Battle of Panipat
Answer:
(a) Ibrahim Lodi was the Sultan of Delhi and Daulat Khan Lodi was the Governor of Punjab.
(b) The relationship between Ibrahim Lodi and Daulatkhan Lodi became strained.
(c) Daulatkhan Lodi invited Babur to march on India.
(d) Taking advantage of this opportunity, Babur invaded India.
(e) To repel Babur’s invasion Ibrahim Lodi started with his army.
(f) There was a battle between Ibrahim Lodi and Babur on 21st April 1526 at Panipat.
(g) Babur defeated Ibrahim Lodi’s army. This is known as the First Battle of Panipat.

Answer briefly:

Question 1.
Write in brief about the conflict of the Mughals with the Marathas.
Answer:
(i) In Maharashtra, Sivaraj was established under the leadership of Shivaji Maharaj.
(ii) In his efforts to establish Swaraj, Shivaji Maharaj had to fight the Mughals too along with the other enemies.
(iii) Aurangzeb came down to the Deccan after the death of Chhatrapati Shivaji Maharaj with the intention of conquering the whole of South India.
(iv) But the Marathas offered stiff resistance to Aurangzeb and defended their independence.

Complete the following diagrams:

Question 1.

Answer:

Question 2.

Answer:

Complete the following table:

Question 1.

Answer:

Maharashtra State Board Class 7 Geography Solutions Chapter 7 Soils

Class 7 Geography Chapter 7 Soils Textbook Questions and Answers

1. Complete the following table.

Answer:

2. Why do the following occur?

Question 1.
To the west of Sahyadris, laterite soils are formed from the basalt rock.
Answer:

• Laterite soils are formed in regions of heavy rainfall.
• The climate of western Sahyadris is hot & humid.
• This leads to leaching of basalt rocks due to which there is formation of laterite soils.

Question 2.
Humus content in the soil increases.
Answer:

• Microorganisms and certain other organism help in decomposing the dead remains of organic materials.
• The biotic material thus produced is called humus.
• If organic manures, vermicompost compost are used regularly, the humus content in the soil increases.

Question 3.
Soil formation process is faster in the equatorial climate.
Answer:

• In the region of high rainfall and higher temperature the process of soil formation is faster.
• Equatorial climatic region have high temperature and receive high rainfall.
• Thus soil formation process is faster in the equatorial region.

Question 4.
The salinity of the soil increases.
Answer:

• Due to excessive irrigation, the salts from the soil are drawn upwards.
• This increases the salinity of the soil.

Question 5.
Rice is the staple diet of the people from Konkan.
Answer:

• Hot & humid climate, heavy rainfall & fertile alluvial soil are favourable for rice cultivation.
• This soil has good water holding capacity. Since these conditions are found in the konkan region, rice is grown on a large scale here.
• So rice is the staple diet of the people from Konkan.

3. Give information on:

Question 1.
Measures of soil conservation
Answer:
The following are the measures of soil conservation:

(i) Afforestation / Planting trees: Planting trees can control the velocity of wind. This helps reducing erosion by wind. The plant roots hold the soil and also reduces the erosion of soil.

(ii) Continuous contour trenches: Construction of continuous contour trenches at different height checks the velocity of water running along the slopes & hence reduces soil erosion. The water arrested in these trenches percolates into the ground.

(iii) Implementation of watershed Development program: The Government of Maharashtra has implemented the watershed development programme under which constructing embankment along slopes in rural areas, introducing CCTs along steep slopes etc. are undertaken. This led to the success of the scheme ‘Arrest water, let it percolate’. This has resulted in raising the ground water levels & reducing the erosion of soil.

(iv) Implementation of Jalayukt Shivar: Under the scheme of Jalayukt Shivar, works like construction of farm bunds, arresting waters of small streams, connecting the streams etc. are being carried out on a large scale.

Question 2.
Organic Manures.
Answer:
(i) Organic manures in farming, helps to maintain the pH balance.
(ii) It also increases the proportion of humus, and retain the fertility of soil.

Question 3.
Place where you will get the information about the suitability of a soil for a particular crop.
Answer:
(i) The information about the suitability of a soil can be obtained from Department of Agriculture of Government of Maharashtra, Natural Resource conservation services, soil testing laboratories in various states and at many agricultural universities.

(ii) The type of soil, soil fertility, pH status of the soil, etc. are determined in soil testing.

(iii) Based on the testing, an analysis of the soil is done & information about the suitability of a soil for a particular crop is provided.

Question 4.
Importance of soils for plant growth.
Answer:
(i) Soil is important for plant as it hold roots that provide support for plants and stores nutrient for the growth of plants.
(ii) Fertile soils favour plant growth.

4. Complete the following table with reference to soil.

Answer:

Activity:

1. Visit a soil testing centre/laboratory and note the work that is carried out in the centre.
2. Prepare compost at home or in your housing society.
3. Visit a place where ‘Arrest water, let it percolate’ is being implemented. Collect information about it and make a note of it.

Class 7 Geography Chapter 7 Soils InText Questions and Answers

Think about it:

Question 1.
Rohit and Prateeksha noted that their field had yielded a bumper crop. But they also noted that a part of their field had a stunted growth of plants. What investigation will you suggest to them?
Answer:
I would suggest that they should check whether organic manures, are used evenly on all the parts of the field. Also, they should check whether that part of the field is getting adequate supply of water or not.

Question 2.
Why do equatorial regions have fertile soils?
Answer:
The sun rays are perpendicular in equatorial
regions so the climate is very hot and humid. This region also receives very heavy rainfall. As the process of soil formation is faster in these regions, equatorial regions have fertile soil. Also vegetal litter roots of plants, remains of animals, etc.; get decomposed adding to soil fertility.

Question 3.
Why is the vegetation sparse in deserts?
Answer:
A desert is a barren area of land where a little precipitation occurs and consequently living conditions for plant and animal life are very hostile. It is an area where the soils are not fertile & hence vegetation is scanty.

Try this:

• Take three flower pots of the same size.
• Keep one pot empty. Fill the second pot. With water after closing the hole at the bottom and fill the third pot with soil.
• Put a few seeds in all of them. (You may use aserio, peas, gram, fenugreek, wheat, green gram, coriander seeds, etc.)
• Keep all the three pots in the sun. and water the empty pot and the soil-filled pot for 4-5 days. Observe and answer the following.

Question 1.
What happened to the seeds put in the empty pot and pot filled with water?
Answer:
Seeds in the empty pot and the pot filled with water did not germinate and did not show any sign of growth.

Question 2.
What happened to the seeds put in the pot (c) filled with soil?
Answer:
Seeds germinated and we could see some small twigs branching out.

Question 3.
What do you learn from this?
Answer:
We learn that plants need sunlight, water and soil to grow.

Class 7 Geography Chapter 7 Soils Additional Important Questions and Answers

Fill in the blanks:

Question 1.
_____ rock in a region is an important factor in soil. (Parent, Basalt, Granite)
Answer:
Parent

Question 2.
The process of weathering depends on the _____ of the region. (climate, weather, soil)
Answer:
climate

Question 3.
The _____ rock of the Deccan Plateau in Maharashtra turns into black soil after weathering. (granite, basalt, parent)
Answer:
basalt

Question 4.
______ soils along the river beds give higher yields. (Infertile, Fertile, Coarse)
Answer:
Fertile

Question 5.
The _____ material comes from the decomposition of the remains of the plants and animals in that region. (biotic1, abiotic, pH)
Answer:
biotic1

Question 6.
______ is a complete ecosystem.(Soil, Humus, weathered rocks)
Answer:
Soil

Question 7.
Food crops like jowar and bajra are produced in the _____ soils of Maharashtra Plateau. (regur, coarse, laterite)
Answer:
regur

Question 8.
The local agriculture produce determines the _______ diet of the people. (staple, supplementary, secondary)
Answer:
staple

Question 9.
The proportion of humus is negligible in _____ soil. (coarse, black, laterite)
Answer:
coarse

Question 10.
Planting trees can also control the _____ of the wind. (velocity, direction, temperature)
Answer:
velocity

Question 11.
Rocks like granite or gneiss in South India give rise to ____ soil. (black, red, regur)
Answer:
red

Question 12.
In the humid climate of western Sahyadris the leaching of basalt rocks leads to formation of ___ soil. (black, lateritic, red)
Answer:
lateritic

Question 13.
The excessive spraying of chemicals and use of chemical fertilizers lead to ______; (soil degradation soil fertility, soil powder)
Answer:
soil degradation

Complete the following sentences:

Question 1.
The biotic material comes from _____.
Answer:
the decomposition of the remains of the plants and animals in that region

Question 2
Microorganisms ajnd certain other organisms help decompose the dead remains of ______.
Answer:
organic materials

Question 3.
Production of compost needs sufficient period of time and ______.
Answer:
elements like organic waste, water, heat, etc.

Question 4.
In the region of high rainfall and higher temperatures, _____.
Answer:
the process of soil formation is faster

Question 5.
In regions of low temperatures and low rainfall the _____.
Answer:
soil formation takes more time

Question 6.
High use of chemical fertilizers, insecticides _____.
Answer:
leads to the degradation of soils

Question 7.
In the areas where the soil is not fertile, _______.
Answer:
egetation is scanty

Question 8.
When man realized that sowing of seeds in the soil leads to the growth of plants and yields crops, ______.
Answer:
he started using soil as a resource

Question 9.
Excessive irrigation draws the salts from the soil upwards and ______.
Answer:
makes the soil saline and then unproductive

Question 10.
Keeping the farmland fallow for some period and cultivating different crops alternatively is important ________.
Answer:
to help retain the fertility of soils.

Give one word for the following:

Question 1.
Soil formed due to weathering of basalt rock.
Answer:
Black soil

Question 2
Soil formed due to the leaching of the basalt rock.
Answer:
Lateritic soil

Question 3.
Biotic material mixed into the soils.
Answer:
Humus

Question 4.
The excessive spraying of chemicals and use of chemical fertilizers.
Answer:
Soil degradation

Question 5.
The govt, scheme, work like construction of farm bunds, arresting waters of small streams, etc.
Answer:
Jalayukt Shivar.

Who am I?

Question 1.
I am a very important rock factor in soil formation.
Answer:
Parent rock

Question 2
I form due to weathering of basalt rock. Jowar and Bajra mostly grow on this soil.
Answer:
Regur soil / Black soil

Question 3.
I am found in the hilltops of the western part of the Deccan plateau.
Answer:
Coarse soil

Question 4.
I am black in colour and have less organic components.
Answer:
Regur or Black soil

Question 5.
I am orange in colour and mostly found in the coastal belt of Konkan.
Laterite soil

Question 6.
I am found at the mouth of the river in the western coastal strip.
Answer:
Alluvial soil of the coastal strip

Question 7.
I am mainly found in areas of extreme rainfall but not very useful for agriculture.
Answer:
Yellow brown soil

Question 8.
I am a method of soil conservation which controls the velocity of wind.
Answer:
Afforestation / planting trees

Match the columns:

Question 1.

Answer:
1 – c
2 – e
3 – d
4 – a
5 – b

Answer the following questions in short:

Question 1.
What do you mean by ‘Soil’?
Answer:
(i) The uppermost layer of the earth’s crust is called ‘Soil’.
(ii) It contains the organic as well as mineral matter necessary for the growth of plants.

Question 2
What are the factors necessary for the soil formation?
Answer:
Soil is formed by:

• Weathering of the parent rock material.
• Climatic conditions of the region.
• The decomposition of plant remains.
• Animal manures and dead animals.
• Very long period of time.

Question 3.
What is leaching ?
Answer:
(i) Leaching is a process is which the salts & other soluble material are washed out of the rock through percolation of water.
(ii) This process is dominant in the areas of high rainfall & humid climate.

Question 4.
What is Humus?
Answer:
(i) The decaying of organic material such as dead leaves, stems, root of the plant, vegetal litters, decomposed remains of animals get mixed into the soil.
(ii) This results in the formation of “Humus” thus retaining the fertility of soil.
(iii) If the proportion of humus in the soil is greater, the soil becomes fertile.

Question 5.
What leads to the degradation of soils?
Answer:
(i) For getting higher production, different types of chemical fertilizers, insecticides are used profusely.
(ii) This leads to the degradation of soils.

Question 6.
What led to record agricultural production?
Ans,
(i) To get richer harvests man made efforts to increase the fertility of soils.
(ii) In the process, use of different fertilizers became a practice which led to record agricultural production.

Question 7.
What is soil erosion?
Answer:
(i) When a layer of soil (top layer of soil) get removed due to wind or water it is called soil erosion.
(ii) Running water, climate and diversity in physiography are the reasons of soil erosion.

Question 8.
What helps to maintain the pH balance of the soil?
Answer:
(i) Organic manures, vermicompost, compost are used regularly.
(ii) It helps in maintaining the pH balance and retaining the fertility of the soil.

Why do the following occur:

Question 1.
Rice is the staple diet of the people from Konkan.
Answer:
(i) Hot & humid climate, heavy rainfall & fertile alluvial soil are favourable for rice cultivation.
(ii) This soil has good water holding capacity. Since these conditions are found in the konkan region, rice is grown on a large scale here.
(iii) So rice is the staple diet of the people from Konkan.

Question 2.
Soil Erosion.
(i) A layer of soil gets removed due to wind or water.
(ii) Running water, climate and diversity in physiography are the reasons of soil erosion.

Question 3.
Soil degradation.
Answer:
(i) To obtain a higher agricultural yield, chemical fertilizers, insecticides, weedicides, etc. are used.
(ii) The excessive spraying of chemicals and use of chemical fertilizers leads to soil degradation.

Give geographical reasons:

Question 1.
Planting trees is necessary to conserve the soil.
Answer:
(i) A layer of soil gets removed due to wind or water which leads to soil erosion.
(ii) Planting trees controls the velocity of the wind, thus reducing the erosion of soil by wind.
(iii) The roots of the plants hold the soil which also prevents soil erosion.

Question 2
Continuous contour trenches are constructed along the slopes.
Answer:
(i) Construction of continuous contour trenches (CCTs) at different heights checks the velocity of water running along the slopes.
(ii) This reduces soil erosion.

Question 3.
It is advisable to use organic manures, vermicompost and compost regularly.
Answer:
(i) Use of organic manures, vermicompost, compost helps maintain the pH balance.
(ii) It also increases the proportion of humus thus retaining the fertility of soil.
(iii) Hence, it is advisable to use organic manures, vermicompost & compost regularly.

Question 4.
There emerged competition among the people to discover fertile lands and settle there.
Answer:
(i) Man started producing greater amount of food crops for the growing population.
(ii) He realized that crop production and prosperity in agriculture depends on the fertility of soil and the optimum availability of water.
Hence, there emerged competition among the people to discover fertile lands & settle there.

Question 5.
There was a rise of Indus civilization.
Answer:
(i) When man realized that the fertile soils along the river beds give higher yields.
(ii) He settled in the valleys and started living there in groups.
(iii) This led to the rise of Indus civilization.

Question 6.
Countries like Saudi Arabia, Qatar, Oman, etc., fulfil their requirements by importing food from other countries.
Answer:
(i) In countries like Saudi Arabia, Qatar, Oman etc. the soils are not arable so there is need to fulfil their food requirement.
(ii) Hence, countries like Saudi Arabia, Qatar, Oman import food from other countries.

Question 7.
Lets find the names of the soils we have learnt and which regions they are found?
Answer:

Make Friends with maps!
Observe the map given below and answer the following questions:

Question 1.
Which soil occupies most of the areas in Maharashtra?
Answer:
Black (Regur) soil occupies most of the areas in Maharashtra.

Question 2
In which areas are laterite soils found?
Answer:
Laterite soil is found in Raigad, Ratnagiri,Sindhudurg and some parts of Gadchiroli and Nashik.

Question 3.
Which soil is found in parts of the Sahyadri ranges?
Answer:
Yellow Brown soil is found in parts of the Sahyadri ranges.

Question 4.
In which region is alluvial soil found?
Answer:
Alluvial soil is found in Mumbai Suburban District, Mumbai city district some parts of Thane & Palghar district.

Question 5.
Which soil is found in the river valleys of Maharashtra?
Answer:
Fertile Alluvial Soil is found in the river valleys of Maharashtra.

Maharashtra State Board Class 7 Geography Solutions Chapter 3 Tides

Class 7 Geography Chapter 3 Tides Textbook Questions and Answers

1. Prepare a chain by matching the following:

Question 1.

Answer:

1 – e – iii
2 – c – i
3 – d – v
4 – b – ii
5 – a – iv

2. Give geographical reasons:

Question 1.
Tides are influenced more by the moon than the sun.
Answer:

• The gravitational pull of the moon and the sun as well as that of the earth is one of the factor responsible for occurrence of tides.
• But compared to the sun, the moon is closer to the earth.
• Due to this the gravitational force of the moon becomes more effective than that of the sun.
• Therefore, tides are influenced more by the moon than the sun.

Question 2.
At some places along the coast, the low lying areas turn into lagoons or marshy lands.
Answer:
(i) Generally the areas along the sea coast are low lying and get flooded easily by the sea water during high tide.

(ii) This leads to accumulation of sea water over a long period of time leading to formation of swamps & marshes.

(iii) The tides help in maintaining the mangroves and the coastal biodiversity here.

(iv) Certain areas near the sea coast being low lying & waters being shallow also lead to sediment deposition by sea waves leading to formation of lagoons.

(v) In this way, at some places along the coast, the low lying areas turn into lagoons or marshy lands.

Question 3.
Place located on the opposite meridian experiencing high or low tide will also experience high or low tide respectively.
Answer:
(i) The gravitational force of moon, the sun & the earth and the centrifugal force generated due to the rotation of the earth are two major factors responsible for the occurrence of tides.

(ii) When a place (meridian) faces the moon the gravitational force of the moon exceeds the centrifugal force of the earth leading to high tide here as the water is pulled towards the moon.

(iii) At the same time the place on the earth located at the opposite meridian to the place experiencing high tide, the centrifugal force of the earth exceeds the gravitational force of the moon. Thus, the water is pulled in the direction away from the moon leading to high tide.

(iv) The water required for the high tide moves in from places that are at right angles to those having high tides causing a low tide at those places.

(v) Thus, place located on the opposite meridian to the place experiencing high or low tide will also experience high or low tide respectively.

3. Answer in brief:

Question 1.
If there is high tide at 7 am, find the timings of the next high and low tides on the same day at a given place.
Answer:

• There is high tide & low tide twice a day i.e. in 24 hours.
• One cycle of high tide & low tide is completed after every 12 hours & 25 minutes.
• If there is a high tide at 7 am, the next low tide will be at 1.12 pm (after 6 hrs & 12 min.) & the next high tide will be at 7.25 pm (after 12 hrs & 25 min.)

Question 2.
If at Mumbai (73° E meridian), there is high tide at 1.00 pm on Thursday, then on which other meridian will there be a high tide too? State with reasons.
Answer:
The other meridian which will experience high tide will be 107°W (180°-73°) because it is exactly 180° opposite from 73°E.

Question 3.
Explain the reasons for the generation of waves.
Answer:

• The main reason of wave generation is the force of the wind i.e. water appears to be moving.
• But at times waves get generated due to earthquake or volcanic eruptions occurring below the floor of the sea.
• Large or small waves are formed continuously at the surface of the sea.
• Generation of waves is a natural and regular phenomenon.

4. In what way will the following depend on the tides:

Question 1.
Swimming:
Answer:
A lack of an understanding of the timings of high and low tides may cause accidents to swimmers entering the sea.

Question 2.
Steering a ship:
Answer:
Ships can move up to the ports during high tide.

Question 3.
Fishing:
Answer:
With the high tide, fish moves into the creeks and this helps the fishing activity.

Question 4.
Salt Pans:
Answer:
During high tide, seawater can be stored in salt pans from which salt can be obtained.

Question 5.
Going to coastal areas for trips:
Answer:
Plan for going to trips after full moon or new moon day. Also one must have details about the timings of the tides for better enjoyment.

5. Observe figure of neap tide and answer the following questions:

Question 1.
Which phase of the moon does it show?
Answer:
The diagram shows the phase of the quarter moon.

Question 2.
What are the relative positions of the moon, the sun and the earth?
Answer:
The moon, the earth and the sun make an angle of 90° (right angle)

Question 3.
What effect will it have on the tides?
Answer:
It will lead to neap tide. Due to such conditions during high tide the water level will rise less than usual while during low tide water level will fall less than usual.

6. Differentiate between:

Question 1.
High tide and low tide:
Answer:

Question 2.
Spring tide and neap tide.
Answer:

7. Describe the positive and negative effects of tides:
Answer:
The positive effects of tides are as follows:

• The tides clear the waste and hence the coasts become clean.
• Ports do not get filled with sediments .
• Ships can move up to the ports during high tide.
• During high tide, sea water can be stored in salt pans from which salt can be obtained.
• The tidal force can be used to generate electricity.
• With the high tide, fish move into the creeks and this helps fishing activity.
• The tides help in maintaining the mangroves and the coastal biodiversity.

The negative effects of tides are as follows:

• A lack of an understanding of the timings of high and low tides may cause accidents to swimmers entering the sea.

Activities:

1. Visit the nearest sea coast. From a higher location, observe the waves approaching the coast. See if the approaching waves change their direction. With the help of your teacher find the answer to why this change occurs.
2. Collect information from the internet about how electricity is generated from waves. Find places where such electricity is being generated.

Class 7 Geography Chapter 3 Tides InText Questions and Answers

Differentiate between:

Question 1.
Centrifugal force and Gravitational
Answer:

Write short notes:

Question 1.
Spring tide
Answer:
(i) On new moon & full moon days, the gravitational pull of the sun and the moon act in the same direction due to which the total pull increases.

(ii) Hence, the tide on these days is much higher than the average high tide.

(iii) This is known as spring tide.

Question 2.
Neap tide
Answer:
(i) While revolving around the earth, the moon makes a right angle with respect to the earth and the sun, twice a month.

(ii) This position occurs on the first and third quarter of each month. On both these days the forces of both the sun & the moon operate at right angles on the earth.

(iii) At the places where the sun causes high tide, the gravitational pull of the moon which is at right angles also acts on the water.

(iv) Due to such conditions the water level rise is less than usual at the time of high tide. Similarly, fall in water level is less than usual at the time of low tide.

(v) Such tides are called neap tides.

Question 3.
Waves
Answer:

• The sea water gets pushed by the wind and ripples are generated on the water surface. These are called waves.
• The sea water moves up & down or slightly forward & backward due to the waves.
• The waves bring the energy contained in them to the coast.
• Large & small waves are formed continuously at the surface of the sea.
• Generation of waves is a natural & regularly occurring phenomenon.

Question 4.
Struture of the waves
Answer:
(i) The sea water gets pushed up & down because of the wind. The raised up portion of the wave is called crest & the depressed one is called trough.

(ii) The vertical distance between a crest and the following trough is called the amplitude of the wave whereas the distance between two successive crests or troughs is called wave length.

(iii) The wave length, its amplitude & its velocity depend on the velocity of the wind.

Formative Assessment:
Observe the activity on pages 9, 10 of the textbook & discuss the result of the activities and answer the question given below:

Question 1.
In which direction will the piece of chalk fall? (fig. 1)
Answer:
The chalk will fall to the right.

Question 2.
Where did the water in the glass show a bulge? (fig. 2)
Answer:
At the sides of the glass.

Question 3.
What effect did the movement have on the things attached to the keyring? (fig. 3)
Answer:
The things attached to the keyring will move round.

Question 4.
What happened to the water in the container and the mixer? (fig. 1)
Answer:
The water will swirl round forming a bulge at the sides and a depression in the centre.

Question 5.
Which forces could be operating in activities listed above?
Answer:
In the first activity (fig. 1) gravitational force acted and in the fig. 2, fig. 3 centrifugal force.

Question 6.
In the following activities, which force is greater, centrifugal or gravitational?
Answer:
The centrifugal force was greater than the gravitational force.

Can you tell?
Answer the following of questions with the help of figure

Question 1.
How do the tides occur?
Answer:
Tides occur due to the relative positions of the moon, the sun, and the earth.

Question 2.
Which force is applied when the moon is closer to the earth?
Answer:
Gravitational force becomes more effective than that of the sun when the moon is closer to the earth.

Question 3.
If it is high tide those having high tide at 0° and 180° meridian then at which meridians will low tide occur?
Answer:
The meridians that are at right angle to those having high tide will experience low tide at the same time ie. at 90°E & 90°W.

Class 7 Geography Chapter 3 Tides Additional Important Questions and Answers

Fill in the blanks choosing the correct options from the brackets:

Question 1.
Due to rotation, the force that works away from the centre of the earth is the ______force. (gravitational, rotational, centrifugal)
Answer:
centrifugal

Question 2.
Neap tide occurs on the days of the ______ and _______ quarter of each month. (first, second, third)
Answer:
first, third

Question 3.
The tidal range in open seas is ______ cms. (20, 30, 40)
Answer:
30

Question 4.
The highest tidal range in the world is observed at _______.(Bay of Fundy, Bay of Biscay, Bay of Bengal)
Answer:
Bay of Fundy

Question 5.
The main reason for wave generation is ______ (wind, gravitational force, centrifugal force)
Answer:
wind

Question 6.
The raised up portion of a wave is called a _______ .(trough, wave length, crest)
Answer:
crest

Question 7.
The depressed portion of a wave is called a ______. (trough, wave length, crest)
Answer:
trough

Question 8.
The vertical distance between a crest and a trough is called the _____.(wave length, amplitude, tide)
Answer:
amplitude

Question 9.
The distance between a crest or trough is called _____ (amplitude, wave length, tide)
Answer:
wave length

Question 10.
Tall sea waves caused by earthquakes below the floor of the sea are called _____.(cyclones, tsunamis, eruption)
Answer:
tsunamis

Match the following:

Question 1.

Answer:
1 – c
2- a
3 – d
4 – b

Fill in the blanks:
Question 1.
High and low tides are _______ phenomena.
Answer:
Natural

Question 2.
_________ are movements of sea water occurring daily and regularly.
Answer:
Tides

Question 3.
Any object on the surface of the earth remains at the place due to the ______ force.
Answer:
Gravitational

Question 4.
The meridians that are at right angles to those having high, tide will experience tide _______.
Answer:
Low

Question 5.
On the days of the first and the third quarter, the high tide is at its _____.
Answer:
Minimum

Question 6.
On new moon and full moon days, the gravitational pull of the sun and the moon acting the ______ direction.
Answer:
Same

Question 7.
At every ______ a cycle of high tide and low tide gets completed.
Answer:
12 hrs & 25 min

Name the following:

Question 1.
Movement of sea water.
Answer:
Tides.

Question 2.
Two forces directly related with tides.
Answer:
Gravitational and Centrifugal forces.

Question 3.
Two types of tide.
Answer:
Spring tide and Neap tide.

Question 4.
The difference in the water level of the high tide and low tide.
Answer:
Tidal range.

Question 5.
The region with highest tidal range in India.
Answer:
The Gulf of Khambhat.

Question 6.
Tall waves caused by earthquakes in the shallow waters near the coast, which are very destructive.
Answer:
Tsunami.

Question 7.
Place where tsunami waves were generated in 2004.
Answer:
Sumatra islands of Indonesia.

Question 8.
Type of tide occuring on full moon day.
Answer:
Spring tide.

Question 9.
Type of tide occuring when sun and the moon are at right angles to each other.
Answer:
Neap tide.

Question 10.
Distance between two successive crests or troughs.
Answer:
Wavelength.

Define the following:

Question 1.
Tide:
Answer:
The alternate rising and falling of the sea water after a specific period is called tide.

Question 2.
Centrifugal force:
Answer:
Due to the earth’s rotation, the earth gets a type of power or force. This force works away from the centre. It is called the centrifugal force.

Question 3.
Tidal range:
Answer:
The difference in the water level of the high tide and low tide is called tidal range.

Question 4.
Waves:
Answer:
The sea water gets pushed by the wind and so ripples are generated on the water surface. These are called waves.

Question 5.
Amplitude of the wave:
Answer:
The vertical distance between a crest and the following trough is called the amplitude of the wave.

Question 6.
Wave length:
Answer:
The wave length is the distance between two successive crests or troughs.

Write whether the following statements are true or false:

Question 1.
The gravitational force is many times greater than the centrifugal force.
Answer:
True

Question 2.
Spring tides are lower than average high tides.
Answer:
False

Question 3.
Centrifugal force is generated due to the revolution of the earth.
Answer:
False

Question 4.
When there is high tide at 0° meridian, the 180° meridian also experiences high tide.
Answer:
True

Question 5.
Tides occur due to the relative positions of the moon, the sun and the earth.
Answer:
True

Question 6.
The tides clean the waste and hence the coastal areas become clean.
Answer:
True

Question 7.
The tides worsen the maintaining of mangroves and the coastal biodiversity.
Answer:
False

Question 8.
Generation of waves is a natural and regularly occurring phenomenon.
Answer:
True

Give geographical reasons:

Question 1
Any object on the surface of the earth remains at the place where it exists.
Answer:

• Due to the earths rotation, it gets a type of power or force
• The force acting in the centre is centrifugal force.
• Due to this force any object on the earth would be thrown into the space.
• But the gravitational force is working towards the centre of the earth at the same time.
• This force is greater than the centrifugal force.
• Hence, any object on the surface of earth remains at the place where it exists.

Question 2.
On new moon and full moon days the tides are higher than average.
Answer:

• On new moon and full moon days, the gravitational pull of the sun and the moon act in the same direction.
• Due to this, the total pull increases.
• Hence, the tide on these days is much higher than the average high tide.

Question 3.
Neap tides are a little lower than average high tides.
Answer:

• While revolving around the earth, the moon makes a right angle with respect to the earth and the sun.
• This position occurs on the first and the third quarter of each month.
• On both these days, the forces of both the sun and the moon operate at right angles on the earth.
• The attraction of the sun and the moon are not complementary but at right angles to each other.
• Due to this, the water level rise is less than usual at the time of high tide

Answer in brief:

Question 1.
Which factors are responsible for the occurrence of tides?
Answer:
The following factors are responsible for the occurrence of tides.

• The gravitational pull of the moon and the sun as well as that of the earth.
• Revolution of the earth around the sun and the indirect revolution of the moon around the sun.
• Centrifugal force generated due to the rotation of the earth.

Draw a neat labelled diagram of:

Question 1.
The structure of a wave:
Answer:

Question 2.
Springtide:
Answer:

Question 3.
Neap tide:
Answer:

Question 4.
Occurrence of tides:
Answer:

Observe the following pictures and answer the following questions given below and discuss:


Question 1.
Do the above photographs show the same place or different places?
Answer:
Both the photographs show the same place.

Question 2.
Observe and note the spread of water seen in both the photographs.
Answer:
The level of water is higher in the first picture and lower in the second.

Question 3.
What is this natural event called?
Answer:
This natural event is called tide.

Try this:

Take a wide open large dish.
Keep the dish on a table or a flat surface.
Fill water in the dish up to the rim,(we have to generate waves in the dish).

Question 1.
Is it possible to generate waves without touching or shoving the dish? Try doing so.
Answer:
By blowing air with your mouth on the water surface of the dish.

Question 2.
In what different ways can you generate waves in the dish?
Answer:

• By dropping an object in the dish.
• By blowing air on the water surface.
• By strong fan breeze.