Tag: air, water and soil

Quizzes (11) Questions (32)

Questions Related to air, water and soil

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

Making of small check dams across the flooded gullies is important because they

  1. hold water and prevent soil erosion

  2. recharge ground water

  3. help stagnate water

  4. hold water for irrigational purpose
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

Check dams are small barriers built across gullies to slow down water flow, which helps in retaining water, reducing soil erosion, and facilitating groundwater recharge.

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

In our country, there are attempts to increase the height of several existing dams like Tehri and Almati, dams across Narmada. Choose the correct statements among the following that are a consequence of raising the height of dams.

  1. Terrestrial flora and fauna of the area is destroyed completely

  2. Dislocation of people and domestic animals living in the area

  3. Valuable agricultural land may be permanently lost

  4. It will generate permanent employment for people
Reveal answer Fill a bubble to check yourself
A,B,C Correct answer
Explanation

Raising dam heights increases the reservoir area, which leads to the submergence of land, resulting in the loss of flora, fauna, agricultural land, and the displacement of human and animal populations.

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

The problems for criticism about large dams are that they

  1. displace large number of peasants and triables without proper rehabilitation

  2. swallow up huge amounts of public money withrout the generation of proportionate benefits

  3. contribute enormously to deforestation and the loss of biological diversity

  4. all of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
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 type of roof top water harvesting?

  1. Recharging the aquifer

  2. Recharging of borewells

  3. Recharging pits

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

Roof top water harvesting systems can be designed to recharge groundwater through various methods, including borewells and recharge pits. All these options are valid techniques for utilizing collected rainwater.