Water Resources...

Ancient India had several techniques to harvest rainwater, groundwater, river water and flood water in keeping with the local ecological conditions and their water needs, which are used even today. Which of the following is correct about kuls?

Rainwater, or palar pani is considered the purest form of natural water in which of the following regions?

Which of the following are the traditional underground storage spaces for storing drinking water in the semi-arid and arid regions of Rajasthan, particularly in Bikaner, Phalodi and Barmer?

Which of the following is the only state in India which has made roof top rainwater harvesting structure compulsory to all the houses across the state?

Which of the following statements is/are correct?

a. Tankas are underground tanks for storing drinking water.
b. The tanks could be as large as a big room.
c. The tankas were built inside the main house or the courtyard.

Which of the following was the largest artificial lake to be built in the eleventh century?

Only 2.5 percent of the total water on Earth is fresh water. 69% of fresh water on Earth takes the form of

Which of the following devices in urban households can be held responsible for depletion of ground water?

Jawaharlal Nehru proclaimed which of the following as temples of modern India?

Khadins are rain-fed storage structures in

Which of the following statements about dams is incorrect?

In the first century BC, Sringaverapura had a sophisticated water harvesting system channelling the flood water of which of the following rivers?

Swedish expert Falken Mark described water stress as

Agricultural fields converted into rain-fed storage structures that allow the water to stand and moisten the soil are called 'Johads' and 'Khadins'. In which Indian state are these popular?

Which of the following statements is/are correct?

a. In the inundation canal irrigation system, floodwater enters the fields through the inundation canals, carrying rich silt.
b. In the bamboo drip irrigation system, the channel sections, made of bamboo, divert water to the plant site where it is distributed into branches, again made and laid out with different forms of bamboo pipes.