Above Surface Water

Q.

Why is rain water called purest kind of naturally occurring water?

Q.

Which of the following is the most impure form of natural water?

1. 
   

   Lake water

2. Pond water
3. 
   

   Groundwater

4. 
   

   Seawater

Q.

State whether the following statements are true or false.

10. Dust particles along with water vapor present in the atmosphere help in the formation of clouds.

1. True
2. False

Q. How are trees helpful in the process of water cycle?

Q.

1. In which forms, water exists on the surface of the Earth?

2. Write the different sources of surface water.

Q. The purest form of natural water is
(a) rainwater.
(b) groundwater.
(c) surface water.
(d) sea water.

Q.

Which of the following is the most impure form of natural water?

1. 
   

   Lake water

2. Pond water
3. 
   

   Groundwater

4. 
   

   Seawater

Q.

Rain water is considered the purest form of natural water. Explain the statement.

Q.

Clouds are actually:

1. Droplets of water

2. Reflection of atmosphere

3. Huge bodies of only dust

4. Smoke from factories