NEET Solved Paper 2019 Question 86

Question: Which of the following pairs of gases is mainly responsible for greenhouse effect? [NEET 5-5-2019]

Options:

A) Nitrogen and Sulphur dioxide

B) Carbon dioxide and Methane

C) Ozone and Ammonia

D) Oxygen and Nitrogen

Show Answer

Answer:

Correct Answer: B

Solution:

Relative contribution of various greenhouse gases to total global warming is

$CO_2 $ =60%

$CH_4$ =20%

$CFC$=14%

$NO_2$=6%

Therefore and $CO_2 $ AND $CH_4$ are the major greenhouse gases. So, the correct answer is ‘carbon dioxide and Methane’