Most abundant substance found in earth's surface is:
Sand
Water
Rocks
Plants
The human activity that uses most amount of freshwater on earth is for:
Reservoir
Industries
House use
Agriculture
What is underground water?
The water found in seas and oceans
The water found in ponds and lakes
The water found in rivers and waterfalls
The water below the earth
Which of the following sentences is FALSE?
Dams store water
Dams block water flowing to sea
This water is cleaned and supplied to homes
This water cannot be used for agriculture
Water required for household use is:
Industrial water
Agricultural water
Domestic water
Natural water
Which of the following is NOT a source of pure drinking water?
Rain
Tubewell
Ocean
Handpump
Which among the following is NOT responsible for water shortage?
Increasing population
Water wastage
Infilteration
Increasing industries
Which among the following is NOT benefit of rainwater harvesting?
Rises the underground water
Increases the availability water
Decrease the quality of groundwater
Environment friendly
Why the earth is called the Blue Planet?
Because only earth has air
Because 3/4th the earth is covered with water
Because earth has living beings
Because earth has plants
Which water is commonly used for construction purposes?
Surface water
River water
Rain water
Ground water
