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MCQs

Total Questions : 119 | Page 2 of 12 pages
Question 11. Nitrous oxide is 16% greater than in
  1.    pre-industrial times.
  2.    Post-industrial times.
  3.    Industrial revolution
  4.    Prerequisite time
 Discuss Question
Answer: Option A. -> pre-industrial times.
Answer: (a).pre-industrial times.
Question 12. Both biomass burning and chemical industry emits
  1.    Nitrous Oxide
  2.    Sulphur Oxide
  3.    Carbon dioxide
  4.    Carbon monoxide
 Discuss Question
Answer: Option A. -> Nitrous Oxide
Answer: (a).Nitrous Oxide
Question 13. Largest nitrous oxide emission are associated with
  1.    Natural and Agricultural Ecosystem
  2.    Industrial and Agricultural system
  3.    Natural and Social environment
  4.    Industrial and Commercial system
 Discuss Question
Answer: Option A. -> Natural and Agricultural Ecosystem
Answer: (a).Natural and Agricultural Ecosystem
Question 14. What is atmospheric life time of Nitrous oxide?
  1.    115 Years
  2.    120 Years
  3.    127 Years
  4.    129 Years
 Discuss Question
Answer: Option A. -> 115 Years
Answer: (a).115 Years
Question 15. Sink of nitrous oxide is photodissociation in the
  1.    Thermosphere
  2.    Troposhere
  3.    Stratosphere
  4.    Ionosphere
 Discuss Question
Answer: Option C. -> Stratosphere
Answer: (c).Stratosphere
Question 16. Methane' is produced fron landfill sites due to
  1.    Incineration process
  2.    Pesticides
  3.    Fertilizers
  4.    Deforestation
 Discuss Question
Answer: Option A. -> Incineration process
Answer: (a).Incineration process
Question 17. Carbondioxide has a lifespan of about
  1.    900 years
  2.    100-200 years
  3.    300 years
  4.    50 years
 Discuss Question
Answer: Option B. -> 100-200 years
Answer: (b).100-200 years
Question 18. Occurance of 15% methane in atmosphere causes
  1.    Pollution
  2.    Global warming
  3.    Humidity
  4.    Acid Rain
 Discuss Question
Answer: Option B. -> Global warming
Answer: (b).Global warming
Question 19. In 1992 and 1993 what was cause of methane concentration downfall in atmosphere?
  1.    Closing down of Siberian Pipline
  2.    Russian Recession
  3.    Afoestation
  4.    Mining
 Discuss Question
Answer: Option A. -> Closing down of Siberian Pipline
Answer: (a).Closing down of Siberian Pipline
Question 20. Methane is emitted through human activities, such as
  1.    Deforestation
  2.    Industrial construction
  3.    Biomass Burning
  4.    Soil fertility
 Discuss Question
Answer: Option C. -> Biomass Burning
Answer: (c).Biomass Burning

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