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’