Question

What phenomenon occurs due to the accumulation of certain pollutants that increase in concentration along the food chain?

(a) Eutrophication

(b) Pollution

(c) Deforestation

(d) Bio-magnification

I have been asked this question at a job interview.

The origin of the question is Environmental Issues in division Environmental Issues of Biology – Class 12

Answer 1

Correct choice is (d) Bio-magnification

The best explanation: Biomagnification, also known as bioamplification is the accumulation of certain pollutants (toxins) in the tissues of organisms whose concentration increases along the food chain. These toxins accumulate in the body because they can’t be digested by organisms.