Geography PYQ 531 of 587 · Environment & Ecology · Miscellaneous

Lichens are sensitive to which air pollutant?

  1. AMethane
  2. BCarbon monoxide
  3. CSulfur dioxide
  4. DMore than one of the above
  5. ENone of the above

B.P.S.C. TRE-3, July 2024

Show answer and explanation

Correct answer: (c) Sulfur dioxide

Explanation

Lichens are sensitive to air pollution. In particular, they are highly sensitive to sulfur dioxide. Lichens act as indicators of air pollution.

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