Human Reproduction Question 273
Question: Which of the following is not a pollutant [MP PMT 2003]
Options:
A) Hydrogen
B) Carbon dioxide
C) Sulphur dioxide
D) Carbon Monoxide
Show Answer
Answer:
Correct Answer: B
Solution:
Hydrogen is not a pollutant where as sulphur dioxide and carbon monoxide are the main constituents of atmosphere pollution.
it is not a pollutant at normal concentration but higher concentration of it causes greenhouse effect.
BETA
