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).