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.