Tag: management of water

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Questions Related to management of water

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

The collection of rainwater in the storage tank for reuse can be termed as

  1. Water harvesting

  2. Potable water

  3. Water pollution

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Rainwater harvesting reuse of water. The term 'rainwater harvesting' refers to the collection of precipitation running off roof surfaces into cisterns or other storage vessels. Storm water reuse refers to the collection of runoff from catchment surfaces (e.g. roads, parking lots and landscaped areas).

So, the correct answer is 'Water harvesting'

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

Which of the following is the benefit of water harvesting?

  1. It could be utilized for irrigation purposes.

  2. This water increases the underwater level.

  3. It could be utilized for domestic purposes.

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water harvesting systems provide versatile benefits, including recharging groundwater, providing water for irrigation, and supplying domestic needs.

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

Percentage of precipitation that can be stored in dams of India is 

  1. 10

  2. 18

  3. 43

  4. 55
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Percentage of precipitation of rain that can be stored in dams of India is 10%. Dams are used as the reservoir of water for the agricultural, industrial and domestic use. Hydroelectric dams are used to generate electricity using hdropower.

Thus, the correct answer is '10.'

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

All of the following are advantages of dams except

  1. flood control

  2. recreation

  3. hydroelectric power

  4. enhancing natural spawning patterns of fish
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While dams offer benefits like flood control and power generation, they often disrupt aquatic ecosystems and block the natural migration and spawning patterns of fish.

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

Which of the following projects contribute to displacement?

  1. Dam projects

  2. Urban infrastructure projects

  3. Transportation projects

  4. All the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Large-scale projects, including dams, urban infrastructure, and transportation networks, often require land acquisition that leads to the displacement of local populations.

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

It is important to make small check dams across the flooded gullies because they
(i) Hold water for irrigation
(ii) Hold water and prevent soil erosion
(iii) Recharge ground water
(iv) Hold water permanently

  1. (i) and (iv)

  2. (ii) and (iii)

  3. (iii) and (iv)

  4. (ii) and (iv)

  5. (i), (ii) and (iii)
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

A major portion of water stored behind dams in the world is withdrawn for irrigation that is, evaporation and transpiration needs. Water used in excess of evaporation and transpiration needs appears in the system as surface or groundwater. The total quantum of flow and size and frequency of peak floods in the flood season reduce in the downstream due to a dam, reducing flood hazard due to inundation of land, crop and property. It also reduces congestion of run off in plains and coastal lands. Any soil erosion such as gullies already formed can be tackled by the construction of dams or obstructions. 

Therefore, the correct answer is option E.

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

The drawback of dam is

  1. Block fish migration

  2. Can cause flood on dam side area

  3. Displace local people

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Large dams are frequently criticized for their negative social and environmental impacts, including blocking fish migration, increasing flood risks in certain areas, and displacing local communities.

Multiple choice management of water uses and limitations of dams air, water and soil management of natural resources biology

Which of the following pairs in false?

  1. Nagarjuna sagar project - Godavari

  2. Hirakud project - Mahanadi

  3. Sardar Sarovar Project - Narmada

  4. Bhakra - Nangal project - Sutlej
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nagarjuna Sagar project was held in Nalgonda district of Telangana and Andhra Pradesh. The dam was built on the Krishna river. It is the largest and highest masonry dam in the world. 

So, the correct option is ' Nagarjuna Sagar project- Godavari'.