We need water to:
Keep our self clean
Wash clothes
Cook food
All of these
Dirt thrown into lakes, rivers and ponds:
Contaminates it
Makes it fresh
Adds oxygen
Adds nutrients
Where do we get water from?
Rain
Glaciers
Oceans
Why should we close the taps when the water is not required?
To prevent wastage of water
To make it clean
It contaminates water
None of these
Ground water can be recovered by digging:
Wells
Tube wells
Hand pump
How can you prevent the wastage of clean water?
Closing the taps when not required
By throwing dirt into lakes, rivers and ponds
By mixing it with dirty water
Contaminated water is:
Tasty
Healthy
Not good for drinking purpose
Odorless
Which of the following statement is true?
We get unclean water in the taps
We should not waste clean water
Dirty water is clean enough to drink
Dirt from home and factories makes river water clean
Which of the following is a source of ground water?
Lakes
Ponds
Dirty water mainly contains:
Germs
Vitamins
Iron
Oxygen
