1. Which one of the following is not the cause of water scarcity? [CBSE 2011]

2. Which state has made roof top rainwater harvesting structure compulsory to all the houses across the state? [CBSE 2011]

3. Which one of the following is not the example of Hydraulic structures in Ancient India?

4. Oceans contain _____________ volume of water.

5. Water is a renewable resource because

6. Water scarcity occurs due to

7. In semi-arid regions of Rajasthan the traditional system of storing drinking water in underground tanks are called

8. Nagaijuna Sagar Dam is located in the state of

9. On which river is the Bhakra Nangal Dam located?

10. The diversion channels of the Western Himalayas are called