Water- A Natural Resource

In plants, water is essential for:

• Germination of seeds and their growth

• Transporting nutrients from the soil and the soil

• Respiration

• All of these

About 4% of water is frozen in glaciers and in the polar icecaps.

• TRUE

• FALSE

__________% of water is present as ground water.

 Topsoil is a renewable resource.

• TRUE

• FALSE

What fraction of the Earth consists of water?

• 3/4

• 2/3

• 1/4

• None of these

Name the process shown in the above picture.

What fraction of water does the human body contain? (Write in fraction)

How much water is available as fresh water on the surface of the earth?

• 0.60%

• 0.01%

• 0.10%

What is the melting point of ice?

• 0 degree Celcius

• 100 degree Celcius

• It can melt at any temperature.

• None of the above

What is this picture representing?

• Rain-water harvesting

• Water Table

• Boali

• None of these