Question

The increase in concentration of a non-biodegradable substances in successive trophic levels is called biological magnification.

• A. True
• B. False

Answer 1

The correct option is A True

Biological magnification or biomagnification is the accumulation of non-biodegradable substances in the food chain. It is found in all types of ecosystems. It leads to higher toxicity in organisms occupying higher trophic levels. E.g., successive increase in the concentration of a pesticide in an aquatic food chain.