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MCQs

Total Questions : 560 | Page 51 of 56 pages
Question 501. Sustainable development, involved in needs of present without making a deal of
  1.    Population
  2.    Past generation
  3.    Present generation
  4.    Future generation
 Discuss Question
Answer: Option D. -> Future generation
Answer: (d).Future generation
Question 502. Geo engineering is a artificial modification of environment to counteract
  1.    Climate change
  2.    Global warming
  3.    Deforestation
  4.    Afforestation
 Discuss Question
Answer: Option B. -> Global warming
Answer: (b).Global warming
Question 503. 'CFCs' are chemically inert, non toxic and insoluble in
  1.    Solvents
  2.    Air
  3.    Water
  4.    Solutes
 Discuss Question
Answer: Option C. -> Water
Answer: (c).Water
Question 504. Aerosols, usually found in the
  1.    Hydrosphere
  2.    Stratosphere
  3.    Troposphere
  4.    Biosphere
 Discuss Question
Answer: Option C. -> Troposphere
Answer: (c).Troposphere
Question 505. With passage of time, snow and ice melts faster in
  1.    Bangladesh
  2.    Asia
  3.    Himalaya
  4.    both b and c
 Discuss Question
Answer: Option D. -> both b and c
Answer: (d).both b and c
Question 506. About, thirty percent of earth area is covered by
  1.    Grass
  2.    Forests
  3.    Rocks
  4.    Stones
 Discuss Question
Answer: Option B. -> Forests
Answer: (b).Forests
Question 507. Burning of fossil fuel giving off
  1.    Nitrogen
  2.    Carbon dioxide
  3.    Carbon monoxide
  4.    Argon
 Discuss Question
Answer: Option B. -> Carbon dioxide
Answer: (b).Carbon dioxide
Question 508. Almost, 6 to 12 percent, reduction in phytoplankton production in marginal ice zone due to
  1.    increases in UV-B
  2.    Increase in ozone
  3.    increase pollutants
  4.    increase in GHGs
 Discuss Question
Answer: Option A. -> increases in UV-B
Answer: (a).increases in UV-B
Question 509. Depletion of ozone layer, resulting in an increased UV radiations, approaching the
  1.    Forests
  2.    Houses
  3.    Space
  4.    Earth Surface
 Discuss Question
Answer: Option D. -> Earth Surface
Answer: (d).Earth Surface
Question 510. Ground level ozone is formed by reaction between nitrogen oxide and
  1.    Ashes
  2.    Fumes
  3.    Mist
  4.    VOCs
 Discuss Question
Answer: Option D. -> VOCs
Answer: (d).VOCs

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