Home PYQs UPPSC UPPSC MCQs Prelims 2012 (GS Paper I)

Question

Lichens are the best indicator of

  1. Air pollution
  2. Water pollution
  3. Soil pollution
  4. Noise pollution

Answer:

Option A: Air pollution

Detailed Solution:

The correct answer is “Air pollution”.

Lichens are well known as sensitive indicators of air pollution, particularly sulfur dioxide.