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class 10 chapter 3 Water Resources

Total questions: 150

Worksheet time: 2hrs 50mins

Name
Class
Date
1.

(a)   of the

earth’s surface is covered with water

2.

All water moves within the

hydrological cycle ensuring that water is a

(a)   resource

3.

Why is it predicted that

by (a)   , nearly two billion people will live in

absolute water scarcity

4.

Other name of Atal Bhujal Yojana is (a)  

5.

  • Today, in India hydroelectric power contributes approximately (a)   per cent of the total electricity produced.​

6.

JJM enable every rural household get assured supply of potable piped water at a service level of (a)   litres per capita per day

7.

JJM was stared on (a)  

8.

(a)   agriculture is the largest consumer of water.​

9.

(a)   dam is being used both for

hydel power production and irrigation in Punjab

10.

(a)   can be obtained directly

from precipitation, surface run off and

groundwater.

11.

A large (a)  

requires more water not only for domestic

use but also to produce more food

12.

JJM full form

(a)  

13.

Which one of the following is not the cause of water scarcity?

a)

Rapid growth of population

b)

Uneven distribution of water resources

c)

Construction of dams and reserves

d)

Increase in demand

14.

Water is a renewable resource because

a)

it is being recycled by human beings.

b)

it is renewed and recharged through hydrological cycle.

c)

it is being renewed through reduction.

d)

it can be reused again.

15.

Water scarcity occurs due to:-

(i) low rainfall in a region

(ii) large population

(iii) over-exploitation

(iv) unequal access

a)

(i) and (ii)

b)

(ii) and (iii)

c)

(i) and (iv)

d)

All of the above

16.

On which river is the Bhakra Nangal Dam located?

a)

Jhelum

b)

Chambal

c)

Satluj

d)

Chenab

17.

Which is not a source of fresh water?

a)

Glaciers and ice sheets

b)

Groundwater

c)

Surface run off

d)

Oceans

18.

Which of the following are not causes of water scarcity?

a)

Growing population

b)

Growing of water intensive crop

c)

Expansion of irrigation facilities

d)

Roof top harvesting system

e)

Water harvesting technique

19.

Water of Bhakra Nangal Project is being used mainly for:

a)

hydel power and irrigation

b)

fish breeding and navigation

c)

industrial use

d)

flood control

20.

Today, in India hydroelectric power contributes approximately .......... of the total electricity produced.

a)

21 per cent

b)

22 per cent

c)

23 per cent

d)

24 per cent

21.

Water scarcity may be an outcome of large and growing ........... and consequent greater demands for water, and unequal access to it.

a)

trees

b)

animals

c)

population

d)

none

22.

Water scarcity in most cases is caused by over-exploitation, excessive use and unequal access to water among different social groups.

a)

True

b)

False

23.

Freshwater is mainly obtained from surface run off and ground water that is continually being renewed and recharged through the .........

a)

Oxygen cycle

b)

Nitrogen cycle

c)

Hydrological cycle

d)

Carbon cycle

24.

The availability of water resources varies over space and time, mainly due to the variations in.............

a)

regional and annual precipitation

b)

Industries

c)

seasonal and annual precipitation

d)

none

25.

Water scarcity in most cases is caused by over-exploitation, excessive use and unequal access to water among different social groups.

a)

True

b)

False

26.

Water scarcity may be an outcome of large and growing ........... and consequent greater demands for water, and unequal access to it.

a)

trees

b)

animals

c)

population

d)

none

27.

Today, in India hydroelectric power contributes approximately .......... of the total electricity produced.

a)

21 per cent

b)

22 per cent

c)

23 per cent

d)

24 per cent

28.

Water scarcity occurs due to........

a)

population growth

b)

agricultural modernization

c)

urbanisation and industrialisation

d)

All of these

29.

Which one of the following is a Hydraulic Structure in Ancient India?

a)

During the time of Chandragupta Maurya, dams, lakes and irrigation systems were extensively built.

b)

In the 11th Century, Bhopal Lake, one of the largest artificial lakes of its time was built

c)

In the 14th Century, the tank in Hauz Khas, Delhi was constructed by Iltutmish for supplying water to Siri Fort area.

d)

All of these

30.

Dams are built for.......

a)

irrigation

b)

electricity generation

c)

water supply for domestic and industrial uses

d)

flood control

e)

All of these

31.

Bhakra – Nangal project water is being used both for hydel power production and irrigation

a)

True

b)

False

32.
What percentage of water on Earth is SALT WATER?
a)
97.5%
b)
2.5%
33.
Water on the top the earth can form lakes or rivers, these are termed ____.
a)
fresh water
b)
infiltration
c)
surface water
d)
groundwater
34.
A hole dug or drilled into the ground to provide a supply of water.
a)
watershed
b)
desalination
c)
groundwater
d)
well
35.

Which of the following are Rainwater Harvesting Techniques?

a)

Guls or Kuls

b)

Inundation Channels

c)

Underground Tanks

d)

All of these

36.

What are Inundation Channels?

a)

Transferring rainwater to underground wells

b)

Canals from large rivers

c)

The diversion channels built-in hilly areas to store water for irrigation

d)

None of these

37.

In what ways industrialization leads to water scarcity

a)

Overuse of water for manufacturing processes

b)

Mixing of industrial waste-water in freshwater

c)

Ownership of Water sources

d)

All of these

38.

The methods of storing the rainwater in various storage structures are known as

a)

Rainwater Harvesting

b)

Water Storage

c)

Water Scarcity

d)

None of these

39.

Overuse of water for irrigation may lead to

a)

Lowering of Groundwater Level

b)

Increasing food production

c)

The rapid development of Industries

d)

None of these

40.

Hirakud project is on the ............... integrates conservation of water with flood control.

a)

Mahanadi basin

b)

Satluj basin

c)

Ganga basin

d)

Krishna basin

41.

Dams are classified ..........

a)

according to structure

b)

intended purpose or height

c)

Based on structure and the materials used

d)

All of these

42.

According to the height, dams can be categorised as

a)

large dams and major dams

b)

low dams

c)

medium height dams

d)

high dams

e)

All of the above

43.

Which one of the following is not the cause of water scarcity?

a)

Rapid growth of population

b)

Uneven distribution of water resources

c)

Construction of dams and reserves

d)

Increase in demand

44.

Which state has made roof top rainwater harvesting structure compulsory to all the houses across the state?

a)

Kerala

b)

Karnataka

c)

Tamil Nadu

d)

Andhra Pradesh

45.

Which one of the following is not the example of Hydraulic structures in Ancient India?

a)

Bhopal Lake

b)

Lake Hauz Kauz

c)

Construction of dams, Lakes

d)

Damodar Valley Project

46.

Oceans contain _____________ volume of water

a)

90 per cent

b)

75 per cent

c)

96.5 per cent

d)

98 per cent

47.

Water is a renewable resource because

a)

it is being recycled by human beings.

b)

it is renewed and recharged through hydrological cycle.

c)

it is being renewed through reduction.

d)

it can be reused again.

48.

Water scarcity occurs due to:-

(i) low rainfall in a region

(ii) large population

(iii) over-exploitation

(iv) unequal access

a)

(i) and (ii)

b)

(ii) and (iii)

c)

(i) and (iv)

d)

All of the above

49.

In semi-arid regions of Rajasthan the traditional system of storing drinking water in underground tanks are called

a)

Dugwells

b)

Johad

c)

Tankas

d)

None of Above

50.

Nagaijuna Sagar Dam is located in the state of

a)

Orrisa

b)

Karnataka

c)

Kerala

d)

Andhra Pradesh

51.

On which river is the Bhakra Nangal Dam located?

a)

Jhelum

b)

Chambal

c)

Satluj

d)

Chenab

52.

The diversion channels of the Western Himalayas are called

a)

Canal

b)

Inundation channels

c)

Kuls

d)

Khadins

53.

Which one of the following statements is not an argument in favour of multi-purpose river projects?

a)

Multi-purpose projects bring water to those areas which suffer from water scarcity.

b)

Multi-purpose projects by regulating water flow help to control floods.

c)

Multi-purpose projects lead to large-scale displacements and loss of livelihood.

d)

Multi-purpose projects generate electricity for our industries and our homes.

54.

Which is not a source of fresh water?

a)

Glaciers and ice sheets

b)

Groundwater

c)

Surface run off

d)

Oceans

55.

According to Falkan Mark, water stress occurs when:

a)

water availability is less than 1000 cubic metre per person per day.

b)

there is no water scarcity.

c)

there is flood.

d)

water availability is more than 1000 cubic metre per person per day.

56.

Which of the following are not causes of water scarcity?

a)

Growing population

b)

Growing of water intensive crop

c)

Expansion of irrigation facilities

d)

Roof top harvesting system

e)

Water harvesting technique

57.

Bhakra Nangal River Valley Project is made on the river:

a)

Sutlej-Beas

b)

Ravi-Chenab

c)

Ganga

d)

Son

58.

Hirakud Dam is constructed on the river:

a)

Ganga

b)

Manjira

c)

Manas

d)

Mahanadi

59.

Water of Bhakra Nangal Project is being used mainly for:

a)

hydel power and irrigation

b)

fish breeding and navigation

c)

industrial use

d)

flood control

60.

The diversion channels seen in the Western Himalayas are called:

a)

Guls or Kuls

b)

Khadins

c)

Johads

d)

Recharge pits

61.

Agricultural fields which are used as rainfed storage structures are called:

a)

Kuls

b)

Khadins/Johads

c)

Recharge pits

d)

None of the above

62.

Bamboo drip irrigation system is prevalent in:

a)

Manipur

b)

Meghalaya

c)

Mizoram

d)

Madhya Pradesh

63.

Which one of the following statements is not an argument in favour of multi-purpose river projects?

a)

Multi-purpose projects bring water to those areas which suffer from water scarcity.

b)

Multi-purpose projects by regulating water flow help to control floods.

c)

Multi-purpose projects lead to large-scale displacements and loss of livelihood.

d)

Multi-purpose projects generate electricity for our industries and our homes.

64.

Which is not a source of fresh water?

a)

Glaciers and ice sheets

b)

Groundwater

c)

Surface run off

d)

Oceans

65.

Bhakra Nangal River Valley Project is made on the river:

a)

Sutlej-Beas

b)

Ravi-Chenab

c)

Ganga

d)

Son

66.

Hirakud Dam is constructed on the river:

a)

Ganga

b)

Manjira

c)

Manas

d)

Mahanadi

67.

Water of Bhakra Nangal Project is being used mainly for:

a)

hydel power and irrigation

b)

fish breeding and navigation

c)

industrial use

d)

flood control

68.

The diversion channels seen in the Western Himalayas are called:

a)

Guls or Kuls

b)

Khadins

c)

Johads

d)

Recharge pits

69.

Agricultural fields which are used as rainfed storage structures are called:

a)

Kuls

b)

Khadins/Johads

c)

Recharge pits

d)

None of the above

70.

Underground tanks seen in Rajasthan to store rainwater for drinking is called:

a)

Tankas

b)

Khadin

c)

Ponds

d)

Kuls

71.

In Western Rajasthan today plenty of water is available due to:

a)

rooftop water harvesting

b)

perennial Rajasthan Canal

c)

construction of Tankas

d)

none of the above

72.

Bamboo drip irrigation system is prevalent in:

a)

Manipur

b)

Meghalaya

c)

Mizoram

d)

Madhya Pradesh

73.

Which of the following is the main objective of the Bhakra-Nangal Project of Punjab and Haryana?

a)

Hydel power production and irrigation

b)

Flood control

c)

Inland navigation

d)

Pisciculture

74.

Look at the picture that shows a water harvesting system. From the options given below identify the water harvesting system.

a)

'Khadins' and 'Johads'

b)

'Guls' or 'kuls'

c)

Rooftop rain water harvesting

d)

Inundation channels.

75.

Most farmers own wells and tube-wells in their farms for irrigation to increase their produce, what adverse effect can this have?

a)

Falling groundwater levels, adversely affecting water availability

b)

Imbalance in minerals for the soil

c)

Unequal distribution of water

d)

Could be technical defaults

76.

Why did Jawaharlal Nehru call dams the temples of India?

a)

They were multipurpose in nature

b)

Irrigation became better

c)

Development of agriculture and the village economy along with rapid industrialisation and growth of the urban economy

d)

Hydel power became ample

77.

Which of the following structures are known as ‘tankas’?

a)

Underground tanks for storing rainwater harvested from roof tops for drinking purpose

b)

Tanks constructed on rooftops for storing rainwater

c)

Tanks constructed in agricultural fields to store rainwater

d)

Tanks constructed to store floodwater

78.

According to Falkan Mark, water stress occurs when:

a)

Water availability is less than 1000 cubic metre per person per day.

b)

There is no water scarcity.

c)

There is flood.

d)

Water availability is more than 1000 cubic metre per person per day.

79.

The remote village that has earned the rare distinction of being rich in rainwater.

a)

Gari

b)

Kaza

c)

Gendathur

d)

None of the above

80.

Which of the following is not a cause of water scarcity?

a)

Growing population

b)

Water harvesting technique

c)

Individual wells and tubewells in farms

d)

Expansion of irrigation facilities

81.

The only State which has made rooftop rainwater harvesting structure compulsory to all the houses is:

a)

Andhra Pradesh

b)

Karnataka

c)

Tamil Nadu

d)

West Bengal

82.

Ironically, the dams that were constructed to control floods, have triggered floods. Which of the following reasons is responsible for it?

a)

Irrigation of surrounding areas

b)

Generation of hydroelectricity

c)

Sedimentation in the reservoir

d)

Pisciculture in the reservoir

83.

Direction: In the questions given below (11, 12 & 13), there are two statements marked as Assertion (A) and Reason (R). Read the statements and choose the correct options

Assertion: Dams are called multipurpose projects.

Reason: Dams are now built not only for irrigation but for generation of electricity, water supply for domestic use, flood control, recreation, inland navigation and fish breeding.

a)

Both A and R are true and R is correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is correct but R is wrong.

d)

A is wrong but R is correct.

84.

Assertion (A): Rainwater harvesting is to collect and store rain water.

Reason (R): Rainwater can be directed to recharge the underground water source.

a)

Both A and R are true and R is correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is true but R is false.

d)

Both A and R are false

85.

Assertion (A): About 70% of Earth's volume is water.

Reason (R): Fresh water is easily available for all the population living on the Earth.

a)

Both A and R are true and R is correct explanation of A.

b)

Both A and R are true but R is not the correct explanation of A.

c)

A is true but R is false.

d)

Both A and R are false

86.

Read the passage given in the picture and answer the questions 14, 15, 16 & 17.

In which Indian state is bamboo drip irrigation system a very old practice?

a)

Chhattisgarh

b)

Telengana

c)

Maharashtra

d)

Meghalaya

87.

This type of irrigation system is more common in the ____________

a)

Arid region

b)

Hilly region

c)

Flood plains

d)

Coastal region

88.

How do they control the flow of water in this system?

a)

Taps are provided to regulate the flow of water.

b)

By altering the pipe position.

c)

Increasing the size of the pipe.

d)

None of the above

89.

What is the mechanism involved in drip irrigation?

a)

Rotating sprinklers and steep topography

b)

Force of water and width of pipes

c)

Density of water and manupulation of pipes

d)

Gravity and steep topography

90.

Direction (for question 18, 19 & 20): In the given political outline map of India identify the dams that are marked as 'E', 'F' & 'G' by using the clues given.

One of the longest man-made dam in the world that is built aross the River Mahanadi. (Marked as 'E')

a)

Thungabadra

b)

Hirakud

c)

Salal

d)

Koyna

91.

The world's fifth and Asia's largest multidimensional dam built across the River Bhagirathi. (Marked as 'F')

a)

Hirakud Dam

b)

Rana Pratap Sagar Dam

c)

Tehri Dam

d)

Salal Dam

92.

The world's largest stone work dam that is built across the River Krishna. (Marked as 'G')

a)

Nagarjuna Sagar Dam

b)

Thungabadra Dam

c)

Bhakra Nangal Dam

d)

Theri Dam

93.

Which of the following are Rainwater Harvesting Techniques?

a)

Guls or Kuls

b)

Inundation Channels

c)

Underground Tanks

d)

All of these

94.

Ancient ways to manage water resources?

a)

Stone rubble dams

b)

Embankments

c)

Canal system

d)

All of these

95.

Recycling of water in nature is known as

a)

Hydrological Cycle

b)

Carbon Cycle

c)

Nitrogen Cycle

d)

None of these

96.

What are Inundation Channels?

a)

Transferring rainwater to underground wells

b)

Canals from large rivers

c)

The diversion channels built-in hilly areas to store water for irrigation

d)

None of these

97.

Which of the following are Reasons for Water Scarcity?

a)

Seasonal Rainfall

b)

Increasing Population

c)

Over-Exploitation

d)

All of these

98.

In what ways industrialization leads to water scarcity

a)

Overuse of water for manufacturing processes

b)

Mixing of industrial waste-water in freshwater

c)

Ownership of Water sources

d)

All of these

99.

The methods of storing the rainwater in various storage structures are known as

a)

Rainwater Harvesting

b)

Water Storage

c)

Water Scarcity

d)

None of these

100.

Shortage of water such that peoples are not able to complete their daily water needs, is known as?

a)

Water Problem

b)

Water Scarcity

c)

Water Demand

d)

None of these

101.

Out of total freshwater quantity __ % of water occurs as ice sheets and glaciers?

a)

70%

b)

50%

c)

20%

d)

72%

102.

Overuse of water for irrigation may lead to

a)

Lowering of Groundwater Level

b)

Increasing food production

c)

The rapid development of Industries

d)

None of these

103.
Which of the following are not causes of water scarcity?
a)
Growing population
b)
Growing of water intensive crop
c)
Expansion of irrigation facilities
d)
Individual wells and tubewells in farms
104.
In which one of the following states palar pani is considered the purest form of natural water?
a)
Gujarat
b)
Rajasthan
c)
Madhya Pradesh
d)
Chhattisgarh
105.
Roof tap rainwater harvesting system in Rajasthan is known as:
a)
Guls
b)
Kuls
c)
Tankas
d)
Baobs
106.
The diversion channels seen in the Western Himalayas are called:
a)
Guls or Kuls
b)
Khadins
c)
Johads
d)
Recharge pits
107.
Which of the following multipurpose projects is found in the Satluj-Beas river basin?
a)
Hirakud Project
b)
Damodar Valley Corporation
c)
Bhakra Nangal Project
d)
Rihand Project
108.
Which of the following is a reason for water scarcity in a region with sufficient water to meet the requirements of the people?
a)
Huge population
b)
Less rainfall
c)
Power requirement
d)
Pollution
109.
Water of Bhakra Nangal Project is being used mainly for:
a)
hydel power and irrigation
b)
fish breeding and navigation
c)
industrial use
d)
flood control
110.
Which one of the following is not an adverse effect of dams?
a)
Interstate water disputes
b)
Excessive sedimentation of Reservoir
c)
Displacement of population
d)
Flood control
111.
Which one of the following is not an adverse effect of irrigation?
a)
Irrigation changes cropping pattern
b)
Water intensive crops are grown in dry areas
c)
Salinisation of soil
d)
Increases crop yield
112.
Which of the following is not a method of water haresting used in Rajasthan?
a)
Johads
b)
Khadins
c)
Guls
d)
Tankas
113.
Which of the following hydraulic structures is built in river basins?
a)
Lakes
b)
Dams
c)
Tanks
d)
Water harvesting
114.
Where is most of Earth's water?
a)
glaciers and icecaps
b)
groundwater
c)
lakes and rivers
d)
oceans
115.

Which of these is NOT a type of surface water?

a)

groundwater

b)

reservoir

c)

stream

d)

ocean

116.
The process of suppling fresh water to farm fields for growing crops.
a)
aqueduct
b)
irrigation
c)
spring
d)
runoff
117.

Which one of the following is not the cause of water scarcity?

a)

Rapid growth of population

b)

Uneven distribution of water resources

c)

Construction of dams and reserves

d)

Increase in demand

118.

Which state has made roof top rainwater harvesting structure compulsory to all the houses across the state?

a)

Kerala

b)

Karnataka

c)

Tamil Nadu

d)

Andhra Pradesh

119.

Which one of the following is not the example of Hydraulic structures in Ancient India?

a)

Bhopal Lake

b)

Lake Hauz Kauz

c)

Construction of dams, Lakes

d)

Damodar Valley Project

120.

Water is a renewable resource because

a)

it is being recycled by human beings.

b)

it is renewed and recharged through hydrological cycle.

c)

it is being renewed through reduction.

d)

it can be reused again.

121.

Water scarcity occurs due to:-

(i) low rainfall in a region

(ii) large population

(iii) over-exploitation

(iv) unequal access

a)

(i) and (ii)

b)

(ii) and (iii)

c)

(i) and (iv)

d)

All of the above

122.

In semi-arid regions of Rajasthan the traditional system of storing drinking water in underground tanks are called

a)

Dugwells

b)

Johad

c)

Tankas

d)

None of Above

123.

On which river is the Bhakra Nangal Dam located?

a)

Jhelum

b)

Chambal

c)

Satluj

d)

Chenab

124.

The diversion channels of the Western Himalayas are called

a)

Canal

b)

Inundation channels

c)

Kuls

d)

Khadins

125.

Which one of the following statements is not an argument in favour of multi-purpose river projects?

a)

Multi-purpose projects bring water to those areas which suffer from water scarcity.

b)

Multi-purpose projects by regulating water flow help to control floods.

c)

Multi-purpose projects lead to large-scale displacements and loss of livelihood.

d)

Multi-purpose projects generate electricity for our industries and our homes.

126.

Which is not a source of fresh water?

a)

Glaciers and ice sheets

b)

Groundwater

c)

Surface run off

d)

Oceans

127.

Which of the following are not causes of water scarcity?

a)

Growing population

b)

Growing of water intensive crop

c)

Expansion of irrigation facilities

d)

Roof top harvesting system

e)

Water harvesting technique

128.

Agricultural fields which are used as rainfed storage structures are called:

a)

Kuls

b)

Khadins/Johads

c)

Recharge pits

d)

None of the above

129.

Ancient ways to manage water resources?

a)

Stone rubble dams

b)

Embankments

c)

Canal system

d)

All of these

130.

Which of the following are Reasons for Water Scarcity?

a)

Seasonal Rainfall

b)

Increasing Population

c)

Over-Exploitation

d)

All of these

131.

Where is most of the Earth's freshwater located?

a)

In icecaps or glaciers

b)

In oceans

c)

In storage tanks

d)

In lakes

132.

How is Earth's water supply being continuously renewed?

a)

Through photosynthesis

b)

Through the water cycle

c)

Through oceans

133.

Precipitation may ________ into groundwater.

a)

leak

b)

fall

c)

infiltrate

d)

flow

134.

Which is the longest canal in India?

a)

Agra Canal

b)

Sirhind Canal

c)

Indira Gandhi Canal

d)

Sutlej Yamuna Link Canal

135.

In Villages, wells are dug to bring groundwater to the surface.

a)

FALSE

b)

TRUE

136.

What is the largest dam in India

a)

Bhakra-Nangal

b)

Hirakud Dam

c)

Sardar Sarovar

137.

Water is one of the ___________________

a)

most less important natural resources....

b)

most important natural resources....

138.

Canals are built to bring water from the rivers directly to the fields.

a)

TRUE

b)

FALSE

139.

Rain is not the main source of fresh water in India.

a)

FALSE

b)

TRUE

140.

Groundwater is the water that seeps into ________________

a)

the sea

b)

the Earth's surface

141.

A _____ is a wall built across a river.

a)

mountain

b)

dam

142.

Where is the Bhakra-Nangal Dam built?

a)

Narmada in Gujarat

b)

Damodar in West Bengal

c)

Satluj in Himachal Pradesh

d)

Ganga in west Bengal

143.

Hirakud Dam is constructed on the river:

a)

Ganga

b)

Manjira

c)

Manas

d)

Mahanadi

144.
In which of the following areas are ‘guls’ and ‘kuls’ used to channel water for agriculture?
a)
Deccan Plateau
b)
Deserts of Rajasthan
c)
Western Himalayas
d)
Ganga Plains
145.
Which of the following areas would you immediately associate with water scarcity?
a)
Deserts of Rajasthan
b)
The Ganga Plains
c)
Hills of North-Eastern India
d)
Coastal areas of Orissa
146.
The remote village that has earned the rare distinction of being rich in rainwater?
a)
Gari
b)
Kaza
c)
Gendathur
d)
none of the above
147.
Which is not a source of fresh water?
a)
Glaciers and ice sheets
b)
Groundwater
c)
Surface run off
d)
Oceans
148.

How is fresh water used in industry?

a)

in manufacturing processes

b)

in the disposal of waste products

c)

to generate power

d)

All of the above

149.

What is the relationship between groundwater and surface water?

a)

Surface water percolates through the soil to form groundwater.

b)

Surface water percolates through the soil to form groundwater.

c)

Groundwater filters through the soil to form surface water.

d)

Surface water is found in lakes directly above underground water sources.

150.

In India hydro-electric power contributes approximately-------per cent of the total electricity produced.

a)

22

b)

32

c)

40

d)

45

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