water resources class 10

Front

Water on the top of the earth can form lakes or rivers, these are termed ____.

Back

surface water

Front

A lack of water in an area is called ____.

Back

water scarcity

Front

An underground layer of rock or soil through which water easily moves.

Back

aqueifer

Front

A region of land that drains into a river.

Back

watershed

Front

Today, in India hydroelectric power contributes approximately .......... of the total electricity produced.

Back

22 per cent

Front

Water scarcity occurs due to...

Back

All of these (population growth, agricultural modernization, urbanisation and industrialisation)

Front

Which one of the following is a Hydraulic Structure in Ancient India?

• During the time of Chandragupta Maurya, dams, lakes and irrigation systems were extensively built.
• In the 11th Century, Bhopal Lake, one of the largest artificial lakes of its time was built
• In the 14th Century, the tank in Hauz Khas, Delhi was constructed by Iltutmish for supplying water to Siri Fort area.
• All of these

Back

All of these

Front

Bhakra – Nangal project water is being used both for hydel power production and irrigation.

Back

True

Front

What percentage of water on Earth is SALT WATER?

Back

97.5%

Front

Rainwater Harvesting Techniques: Guls or Kuls, Inundation Channels, Underground Tanks

Back

All of these