Have you ever observed water pollution in your area ? What measures would you suggest to control it?

(i)Yes.
(ii) Measures:
(a) Industrial effluents from paper, textile, chemical | industries which are generally allowed to mix with water bodies like rivers should not be allowed to get mixed in such water bodies.
(b) Non-biodegradable detergents should be avoided and only biodegradable soaps should be used for cleaning clothes and for baths.
© pH of water should be checked and reported to pollution control board set up by Government.
(d) Avoid the DDT at home, instead use dried neem leaves to keep insects away.