Advertisements
Advertisements
Question
It is important to make small check dams across the flooded gullies because they
- hold water for irrigation
- hold water and prevent soil erosion
- recharge ground water
- hold water permanently
Options
(i) and (iv)
(ii) and (iii)
(iii) and (iv)
(ii) and (iv)
Solution
(ii) and (iii)
Explanation -
Small check dams are made across the flooded gullies to hold water, prevent soil erosion and recharge ground water.
APPEARS IN
RELATED QUESTIONS
List four advantages of properly managed watershed management.
What is rainwater harvesting?
Study the diagram below and answer the questions that follow:
1) Name the activity shown in the diagram.
2) Give two objectives of the activity named in (d) (i).
Name the river with which the Tehri Dam is associated.
Ahars, Kattas, Bhundhis and Khadins are the modes of :
(a) grain storage
(b) soil conservation
(c) water harvesting
(d) cold storage
Choose the correct option from given alternative:
Which one of the following is responsible for the sustenance of underground water?
Which one of the following is responsible for the sustenance of underground water?
Answer the following question.
Write two causes for the failure of sustained availability of groundwater.
If the total water on earth be 100% the percentage of freshwater is ______.
Point out the importance of water conservation.