Chapter 16 – Water: A Precious Resource

The ground water bearing layer of the earth which is below the water table is:

The cause of depletion of water table is:

Minimum wastage of water is called:

The solid parts of the earth’s crust called:

The gases surrounding the earth is:

Water and forest are:

Top soil and petroleum are:

The traditional way of collecting water was:

People obtain ground water through:

To minimise the wastage of water is:

The advantages of water harvesting are:

In wells, boring and hand pumps water comes from:

Main source of water on earth is:

Which of the following helps in raising water table ?

Water from this source cannot be consumed ?

One of these is not a source of surface water:

Purest form of natural water is:

This method does not result in conservation of water:

This is level of ground water:

This method of irrigation can minimise wastage of water:

Seeping of water into the soil is called:

Which is not responsible for shortage:

The total water:

The World Water Day is on:

Earth appears blue because:

Snow and ice, is present as ice caps in the form of:

Water is present in lakes in the form of:

The water vapour is present in the air, in the form of: