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Water Resources (Class - X)

Description: Social Studies
Number of Questions: 18
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Tags: Social Studies Water Resources
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Only 2.5 percent of the total water on Earth is fresh water. 69% of fresh water on Earth takes the form of

  1. freshwater lakes

  2. underground water

  3. frozen ice

  4. precipitation

  5. None of these

Show answer
Correct Option: C
Explanation:

This is the correct answer. Nearly 69% of total fresh water on Earth is present as frozen ice in the form of icebergs and glaciers.

Jawaharlal Nehru proclaimed which of the following as temples of modern India?

  1. Rivers

  2. Canals

  3. Man-made lakes

  4. Sewage treatment plants

  5. Dams

Show answer
Correct Option: E
Explanation:

This is the correct answer. Jawaharlal Nehru proclaimed dams as the ‘temples of modern India’.

In the first century BC, Sringaverapura had a sophisticated water harvesting system channelling the flood water of which of the following rivers?

  1. Godavari

  2. Narmada

  3. Ganga

  4. Yamuna

  5. Indus

Show answer
Correct Option: C
Explanation:

This is the correct answer. Sringaverapura was near Allahabad and it had a sophisticated water harvesting system channelling the flood water of the river Ganga .

Swedish expert Falken Mark described water stress as

  1. a region with ample water resources but still facing water scarcity

  2. over-exploitation of water resources to expand irrigated areas and dry-season agriculture

  3. fall in ground water levels

  4. water availability lesser than 1,000 cubic metre per person per day

  5. water scarcity in low rainfall and drought prone regions

Show answer
Correct Option: D
Explanation:

This is the correct answer. According to Falken Mark, a Swedish expert, water stress occurs when water availability is less than 1,000 cubic metre per person per day.

Narmada Bachao Andolan was organised by a non-goverment organisation which mobilised tribal people, farmers, environmentalists and human rights activists against which of the following dams?

  1. Bhakra Nangal project

  2. Hirakud dam

  3. Tehri dam

  4. Sardar Sarovar dam

  5. Rihand dam

Show answer
Correct Option: D
Explanation:

This is the correct answer. Sardar Sarovar dam is being built across the Narmada river in Gujarat. 

Which of the following statements about dams is incorrect?

  1. A dam is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment.

  2. Dam refers to the huge concrete structure that creates the reservoir.

  3. Dams have a section called a spillway or weir over which water flows either intermittently or continuously.

  4. Dams are built for irrigation, electricity generation, water supply for domestic and industrial uses, flood control, recreation, inland navigation and fish breeding.

  5. Dams help us in conserving and managing our water resources.

Show answer
Correct Option: B
Explanation:

No, as dam refers to the reservoir rather than the structure. This is the correct answer.

Which of the following are the traditional underground storage spaces for storing drinking water in the semi-arid and arid regions of Rajasthan, particularly in Bikaner, Phalodi and Barmer?

  1. Guls

  2. Khadins

  3. Kuls

  4. Johads

  5. Tankas

Show answer
Correct Option: E
Explanation:

This is the correct answer as Tankas are the underground tanks for storing drinking water in the semi-arid and arid regions of Rajasthan, particularly in Bikaner, Phalodi and Barmer.

What happens due to sedimentation in the dams?

  1. It deprives plains of silt, which leads to land degradation.

  2. It triggers floods in the plains.

  3. It causes water borne diseases.

  4. All of the above

  5. Both (1) and (2)

Show answer
Correct Option: E
Explanation:

This is the correct answer as sedimentation in reservoirs causes both deprivation of silt in plains and triggers floods.

Which of the following is the only state in India which has made roof top rainwater harvesting structure compulsory to all the houses across the state?

  1. Meghalaya

  2. Rajasthan

  3. Tamil Nadu

  4. Karnataka

  5. Gujarat

Show answer
Correct Option: C
Explanation:

This is the correct answer. Tamil Nadu has made roof top rainwater harvesting structures compulsory to all the houses across the state. 

Krishna Godavari dispute is due to __________ objecting to the diversion of more water at Koyna by the Maharashtra government for a multipurpose project.

  1. Gujarat and Madhya Pradesh

  2. Andhra Pradesh and Karnataka

  3. Tamil Nadu and Andhra Pradesh

  4. Kerala and Tamil Nadu

  5. Karnataka and Kerala

Show answer
Correct Option: B
Explanation:

Krishna-Godavari dispute is due to the objections raised by Karnataka and Andhra Pradesh governments regarding the diversion of more water at Koyna by the Maharashtra government for a multipurpose project. 

Which of the following statements about big multipurpose projects is/are incorrect?

  1. Multipurpose projects have been responsible for triggering floods.

  2. Dams have aggravated flood situations in heavy rains.

  3. Multipurpose projects have been known to induce earthquakes.

  4. All of the above

  5. None of these

Show answer
Correct Option: D
Explanation:

None of the statements given above is incorrect.

Fresh water is a scarce resource. Which of the following statements is/are correct?

  1. 20 percent fresh water on Earth is stored as ground water.

  2. Less than 7 percent fresh water on Earth is in lakes and rivers.

  3. India receives nearly 14 percent of the global precipitation.

  4. Large parts of India will join regions with absolute water scarcity by 2025.

  5. All of the above

Show answer
Correct Option: D
Explanation:

This statement is correct as it is predicted that large parts of India will join regions with absolute water scarcity by 2025.

Which of the following places has earned the rare distinction of being rich in rain water as majority of households there have installed roof top rain water harvesting systems?

  1. Mawsynram

  2. Cherapunjee

  3. Gendathur

  4. Barmar

  5. Jaisalmer

Show answer
Correct Option: C
Explanation:

This is the correct answer. Gendathur is a remote backward village in Mysore, Karnataka. 

Which of the following was the largest artificial lake to be built in the eleventh century?

  1. Dal lake

  2. Nainital lake

  3. Bhopal lake

  4. Sambhar lake

  5. Bhimtal lake

Show answer
Correct Option: C
Explanation:

Bhopal lake was built in the eleventh century.

Bamboo drip irrigation system is a 200-year-old system of tapping stream and spring water by using bamboo pipes. In which state is this system prevalent?

  1. Rajasthan

  2. Kerala

  3. Tamil Nadu

  4. Meghalaya

  5. Jammu and Kashmir

Show answer
Correct Option: D
Explanation:

This is the correct answer. The bamboo drip irrigation system is prevalent in Meghalaya.

Which of the following is/are responsible for causing pressure on available water resources and their depletion?

a. Urbanisation b. Industrialisation c. Agriculture d. Pisciculture

  1. a, b, c and d

  2. a, b and c

  3. a, b and d

  4. a and b

  5. c and d

Show answer
Correct Option: B
Explanation:

Urbanisation, industrialisation and agriculture exert pressure on existing fresh water resources and cause their depletion.

Which of the following devices in urban households can be held responsible for depletion of ground water?

  1. Water filters

  2. Hot water geysers

  3. Pumping motors

  4. Water harvesting tanks

  5. Sewage pipes

Show answer
Correct Option: C
Explanation:

This is correct. Pumping motors in urban households, colonies, etc. suck up the ground water and cause depletion of water table.

Ancient India had several techniques to harvest rainwater, groundwater, river water and flood water in keeping with the local ecological conditions and their water needs, which are used even today. Which of the following is correct about kuls?

  1. They are the diversion channels for agriculture in western Himalayas.

  2. They are indundation channels in West Bengal.

  3. They are roof top rain water harvesting structures in the eastern Himalayas.

  4. They are rain fed storage structures that allow water to stand and moisten the soil in Rajasthan.

  5. They lead to a circular village tank in the mountain villages, from which water is released as and when required.

Show answer
Correct Option: E
Explanation:

This is correct. Kuls lead to a circular village tank in the mountain villages, from which water is released as and when required.

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