Q. Which the following are most suitable indicator of $SO_2$ pollution in the environment ?
A) Fungi
B) Lichens
C) Conifers
D) Algae
Explanation
[Solution] Lichens are very sensitive to $SO_2$ and do not grow in polluted areas. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.