Water

Q. Approximately 71% of the Earth's surface is covered with ___.

1. Forests
2. Mountains
3. Water
4. Air

Q.

A list of jumbled words is given here. Write the correct form of each word.

1. WASHFERRET
2. CHARREGE
3. QUIFERA
4. WOSN

Q. How much of the total water available on Earth is usable?

1. 90%
2. 50%
3. 10%
4. 0.003%

Q. Where is salt obtained from ?

1. Sea
2. Soil
3. Air
4. Animals

Q. Mention the basis on which all resouces can be classified primarily.

1. Human resource
2. Natural resource
3. Man made resource
4. Private resource
5. International resource

Q.

Which colour is used on map for depicting the water bodies?

1. Yellow

2. Blue

3. Red

4. Brown

Q. Why is Waste Water Management needed? List the current global situations that make waste water management important?