MEDIUM
3rd CBSE
IMPORTANT
Earn 100

Give reasons for the following.

Leaking taps and pipes should be repaired.

Important Questions on Water- a Necessity

MEDIUM
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q C

Give reasons for the following.

Although about 72 per cent of the earth is covered with water, only 1 per cent is available for drinking.

MEDIUM
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q D
What is water pollution?
MEDIUM
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q D
List four ways to save water.
MEDIUM
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q D
Why does our body need water? 
EASY
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q D
How can we harm ourselves by polluting water?
EASY
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q D
Why do plants need water?
EASY
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q E
Around _____ percent of the earth is covered with water. (72/ 82)
EASY
3rd CBSE
IMPORTANT
Environmental Studies Book 3>Chapter 15 - Water- a Necessity>Exercise Time>Q E
The activities like washing, cleaning, etc., are performed by _____ (humans/birds) in dirty water bodies.