a2zinterviews

17.	Solar radiation plays the important role in the
	A.  Water cycle
	B.  Carbon cycle
	C.  Oxygen cycle
	D.  Nitrogen cycle

Answer

Ans: A Water cycle

18.	Which one of the following is important strategy for the conservation of biodiversity?
	A.  National parks
	B.  Wild Life Sanctuaries
	C.  Biosphere Reserves
	D.  Botanical Gardens

Answer

Ans: C Biosphere Reserves

19.	Which one of the following is the most stable ecosystem?
	A.  Mountain
	B.  Ocean
	C.  Desert
	D.  Forest

Answer

Ans: B Ocean

20.	Acid rain is caused due to air pollution by
	A.  Methane
	B.  Nitrous oxide and sulphur dioxide
	C.  Carbon dioxide
	D.  Carbon monoxide

Answer

Ans: B Nitrous oxide and sulphur dioxide