1. How many types of pollution are there ?
(a) Three types
(b) Five types
(c) Four types
(d) Two types
Ans :- (c) Four types
2. When is World Environment Day celebrated every year ?
(a) June 5
(b) April 22
(c) August 15
(d) October 2
Ans :- (a) June 5
3. What are the types of pollution ?
(a) Water pollution
(b) Air pollution
(c) Soil pollution
(d) All of the above
Ans :- (d) All of the above
4. When was the Wildlife Conservation Act implemented in India ?
(a) 1970
(b) 1971
(c) 1972
(d) 1973
Ans :- (c) 1972
5. What are the measures to prevent pollution ?
(a) Heap disposal
(b) Landfilling
(c) Incineration
(d) All of the above
Ans :- (d) All of the above
6. What are the causes of air pollution ?
(a) Smoke
(b) Carbon dioxide
(c) Nuclear explosions
(d) All of the above
Ans :- (d) All of the above
7. What are the measures to prevent water pollution ?
(a) Boiling
(b) Filtration
(c) Chlorination
(d) All of the above
Ans :- (d) All of the above
8. What plays a major role in maintaining the ecological balance of the earth ?
(a) Animals
(b) Forests
(c) Oxygen
(d) Carbon dioxide
Ans :- (b) Forests