Human Reproduction Question 227

Question: Ozone layer in upper atmosphere (stratosphere) is destroyed by or which one of the chemicals is responsible for the reduction of ozone content of atmosphere [MP PMT 1990, 2002, 04; BHU 1989, 90; CPMT 1993; KCET 2000; Pb. PMT 2000]

Options:

A) Hydrochloric acid

B) Photochemical smog

C) Chlorofluoro carbon (CFC)

D) Sulphur dioxide

Show Answer

Answer:

Correct Answer: C

Solution:

CFC is strong enemy of ozone and causes depletion of ozone layer.