Class 12 Biology MCQs Chapter – 16
21. Pollution is rising due to :
(A) research
(B) population explosion
(C) industries and transportation
(D ) rain water
Answer-( C )
22. The environmental protection act of government of india was passed in:
(A) 1976
(B) 1986
(C) 1966
(D) 1996
Answer-( B )
23. The newspaper contains one of the following toxic materials:
(A) Cd
(B) Pd
(C) Mg
(D) Hg
Answer-( B )
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