Q. Which one of the following is a wrong statement ?
A) Eutrophication is a natural phenomenon in freshwater bodies
B) Most of the forests have been lost in tropical areas
C) Ozone in upper part of atmosphere is harmful to animals
D) Greenhouse effect is a natural phenomenon
Explanation
[Solution from source] Ozone in the upper atmosphere (stratosphere) absorbs ultraviolet radiation and protects living organisms, so calling it harmful is wrong. Eutrophication and the greenhouse effect are natural phenomena (accelerated by humans), and most forest loss has been in the tropics. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.