CBSE Class 7 Science Practice Test

CBSE Class 7 Science Practice Test
CBSE Class 7 Science Test Paper
CBSE Class-VII Science Preparation Test
Water

Directions : Questions 1 to 6 carry 1 mark Each

1. World  Water day  is celebrated on ...............
2.The amount of water recommended by the United Nations for drinking,washing, cooking and maintaining properhygiene is a minimum of .........litres per person per day.
3.about...% ofthe earth’s surface is covered with water.
4. water on the earth has been maintained for millions of years by various processes which make the ........
5. The process of seeping of water into the ground is called ...........
6.The rainwater can be used to recharge the groundwater. This is referred to as ...........
Explain in brief (Each Question Carry 5 Marks)
7.Explain Recharging of ground water
8. What are the factors responsible for depletion of  ground water.
Each Question (9-10) carry 2 marks.
9.What are 2 traditional ways of water harvesting
10. 2 factors  responsible for water shortage.


Answers :











1.22 March
2.50
3.71
4. Water cycle
5. infiltration
6.water harvesting or rain water harvesting

for other question please refer book