Q. Which of the following are the indicators of pollution?
A) Lichen
B) Fungi
C) Algae
D) None of these
Explanation
Lichens are extremely sensitive to pollutants in the atmosphere and thus they can be used as bio-indicators of air quality. Their sensitivity results from their ability to absorb substances dissolved in rain and dew.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.