Human Reproduction Question 280
Question: Which one of the following gases can deplete ozone layer in the upper atmosphere [BVP 2004]
Options:
A) Ammonia
B) Methane
C) Carbon monoxide
D) Sulphur dioxide
Show Answer
Answer:
Correct Answer: B
Solution:
Methane (hydrocarbons), aerosols, Freon gas and nitrogen oxides destroy ozone layer in upper atmosphere (stratosphere).