Dirty water mainly contains:
Germs
Vitamins
Iron
Oxygen
Where do we get water from?
Rain
Glaciers
Oceans
All of these
Ground water can be recovered by digging:
Wells
Tube wells
Hand pump
Which of these are the man made sources of water?
Ponds
Stream
Canals
Which of the following statement is false?
All plants and animals need water
River water is clean enough to drink
Some rain water goes below the soil
Dirty water has germs
Which of these are the natural sources of water?
Dams
Drinking dirty water makes us:
Healthy
Sick
Fat
None of these
Why should we close the taps when the water is not required?
To prevent wastage of water
To make it clean
It contaminates water
Which of the following is a source of surface water?
Lakes
From the following things name the one that is not required to prepare a filter
Plastic bottle
Sand
Stones
Rubber
