100 Best Geography- Environment MCQs
Q9). Which of the following is not a green house gas ?
a).Carbon dioxide
b).Methane
c).Nitrous oxide
d).Argon
Correct Answer:
Argon
Explaination:
Q10). Ozone holes are more pronounced at the
a).Equator
b).Tropic of cancer
c).Tropic of Capricorn
d).Poles
Correct Answer:
Poles
Explaination:
Q11). Smog is a combination of
a).Smoke and fog
b).Water & smoke
c).Air and water vapour
d).None of these
Correct Answer:
Smoke and fog
Explaination:
Q12). What is the cause of Greenhouse effect ?
a).infra-red rays
b).Ultraviolet rays
c).X-rays
d).Radio waves
Correct Answer:
infra-red rays
Explaination:
Q13). Which of the following is not a greenhouse gas ?
a).Nitrogen
b).Carbon dioxide
c).Methane
d).None of these
Correct Answer:
Nitrogen
Explaination:
Q14). Increasing concentration of which gas in the atmosphere intensifies greenhouse effect ?
a).Nitrogen
b).Oxygen
c).Carbon dioxide
d).Argon
Correct Answer:
Carbon dioxide
Explaination:
Q15). Which of the following is a greenhouse gas ?
a).Oxygen
b).Carbon dioxide
c).Nitrogen
d).Hydrogen
Correct Answer:
Carbon dioxide
Explaination:
Q16). The flow of energy from one trophic level to another is called
a).food chain
b).food web
c).energy cycle
d).None of these
Correct Answer:
Explaination: