Q. Which are sensitive to $SO_{2}$pollution?
A) Mosses
B) Algae
C) Lichen
D) Ferns
Explanation
Lichens are sensitive to $SO_{2}$environment. They cannot grow in sulphur dioxide polluted area. So, lichens are called pollution indicating plants.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.