Geography PYQ 548 of 587 · Environment & Ecology · Miscellaneous

The main component of greenhouse gases is:

  1. ACarbon dioxide
  2. BMethane
  3. CNitrous oxide
  4. DOzone
  5. ENone of the above/More than one of the above

64th B.P.S.C. (Pre) 2018 · 65th B.P.S.C. (Pre) 2019

Show answer and explanation

Correct answers: (a) Carbon dioxide or (e) None of the above/More than one of the above

Explanation

All four listed gases are greenhouse gases, so more than one option fits and the answer is (e). Carbon dioxide is the largest single component of greenhouse gas emissions, so option (a) is also accepted here.

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