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Question (21)

QN0037541

Which multipurpose project is associated with the Sutluj-Beas river basin?

(A) Hirakud
(B) Bhakra-Nangal
(C) Sardar Sarovar
(D) Tehri

Correct Answer: B

Explanation:

Bhakra-Nangal is a major multipurpose project associated with the Sutluj-Beas river basin.

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Question (22)

QN0037542

A reservoir is used to supply water for irrigation, domestic use and industries. Which feature of multipurpose projects does this demonstrate?

(A) Single use of water
(B) Integrated use of stored water
(C) Complete prevention of evaporation
(D) Elimination of groundwater

Correct Answer: B

Explanation:

Multipurpose projects store water and make it available for several uses.

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Question (23)

QN0037543

Which river basin is associated with the Hirakud multipurpose project?

(A) Narmada
(B) Mahanadi
(C) Sutluj
(D) Godavari

Correct Answer: B

Explanation:

Hirakud is a major multipurpose project constructed across the Mahanadi river.

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Question (24)

QN0037544

What is one important environmental consequence of reservoirs and dams?

(A) Increased sediment flow downstream
(B) Reduced sediment flow downstream
(C) Complete elimination of aquatic life
(D) Permanent increase in rainfall

Correct Answer: B

Explanation:

Dams trap sediments in reservoirs, reducing the amount of sediment reaching downstream areas.

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Question (25)

QN0037545

A dam blocks the movement of fish between upstream and downstream sections of a river. Which impact is represented?

(A) Improved fish migration
(B) Disruption of aquatic fauna
(C) Increased groundwater recharge everywhere
(D) Reduced reservoir storage

Correct Answer: B

Explanation:

Dams can obstruct the natural movement of fish and other aquatic organisms.

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Question (26)

QN0037546

A reservoir submerges 500 hectares of forest and agricultural land. What is the direct environmental effect?

(A) Vegetation and soil are submerged
(B) Forest area automatically increases
(C) Soil becomes completely dry
(D) Groundwater extraction stops everywhere

Correct Answer: A

Explanation:

Reservoir construction can submerge forests, agricultural land, settlements and soil under stored water.

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Question (27)

QN0037547

How can excessive sedimentation in a reservoir increase the risk of flooding?

(A) It increases reservoir capacity
(B) It reduces reservoir storage capacity
(C) It eliminates river flow
(D) It increases groundwater recharge everywhere

Correct Answer: B

Explanation:

Sedimentation reduces the storage capacity of reservoirs, which can affect their ability to control floods.

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Question (28)

QN0037548

After irrigation facilities expand, farmers in a region increasingly grow water-intensive commercial crops. Which problem may develop if irrigation is poorly managed?

(A) Soil salinisation
(B) Increased soil fertility automatically
(C) Elimination of evaporation
(D) Reduction in water demand

Correct Answer: A

Explanation:

Excessive irrigation can cause waterlogging and accumulation of salts in the soil, leading to salinisation.

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Question (29)

QN0037549

A farming area uses 2,000 units of irrigation water. If irrigation demand increases by 30%, what will be the new requirement?

(A) 2,300 units
(B) 2,400 units
(C) 2,600 units
(D) 2,800 units

Correct Answer: C

Explanation:

Increase = 30% of 2,000 = 600. New requirement = 2,000 + 600 = 2,600 units.

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Question (30)

QN0037550

Which programme is associated with the approach of “Per Drop More Crop”?

(A) PMKSY
(B) Atal Bhujal Yojana
(C) Jal Jeevan Mission
(D) Namami Gange

Correct Answer: A

Explanation:

“Per Drop More Crop” is associated with the Pradhan Mantri Krishi Sinchayee Yojana (PMKSY).

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Question (21)

Which multipurpose project is associated with the Sutluj-Beas river basin?

Explanation:

Link:

Question (22)

A reservoir is used to supply water for irrigation, domestic use and industries. Which feature of multipurpose projects does this demonstrate?

Explanation:

Link:

Question (23)

Which river basin is associated with the Hirakud multipurpose project?

Explanation:

Link:

Question (24)

What is one important environmental consequence of reservoirs and dams?

Explanation:

Link:

Question (25)

A dam blocks the movement of fish between upstream and downstream sections of a river. Which impact is represented?

Explanation:

Link:

Question (26)

A reservoir submerges 500 hectares of forest and agricultural land. What is the direct environmental effect?

Explanation:

Link:

Question (27)

How can excessive sedimentation in a reservoir increase the risk of flooding?

Explanation:

Link:

Question (28)

After irrigation facilities expand, farmers in a region increasingly grow water-intensive commercial crops. Which problem may develop if irrigation is poorly managed?

Explanation:

Link:

Question (29)

A farming area uses 2,000 units of irrigation water. If irrigation demand increases by 30%, what will be the new requirement?

Explanation:

Link:

Question (30)

Which programme is associated with the approach of “Per Drop More Crop”?

Explanation:

Link:

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