
What steps will you take to prevent water from polluting in your school and at home?
Important Questions on Too Much Water, Too Little Water
Study the picture given below and answer the following question:
State one measure to control this pollution.


Study the picture given below and answer the following question:
Name one pollutant that causes the above pollution.

Give the biological reasons for the following statement:
Water pollution is a major cause of concern in our country.

Study the picture given below and answer the following question:
Identify the type of pollution.

Study the picture given below and answer the following question:
What is a ‘Pollutant’? Explain the term.

Study the picture given below and answer the following question:
Mention the impact of this pollution on human health.


Complete the analogy.
Air pollution : Asthma :: _____ : Typhoid






The people of a town, situated along the river bank, are concerned that the river water is getting polluted. They want to test the quality of water and source that is polluting it.
1. Which site (X, Y or Z) will have :
(a) good quality of water?
(b) the most poor quality of water?
2. After which site (X, Y or Z), a water treatment plant must be built to control water pollution?


Fill in the blank with an appropriate word given in the brackets:
Boiling water _____ (kills/builds) germs.


Choose the right word and fill in the blank provided below.
Water should be _____ to make it completely germ-free.(cooled/boiled)

