Biomagnification means

Environment and Ecology · Environment & Ecology · Hard · Practice for UPSC CSE GS 1

Biomagnification means

Increase in species at higher levels
Spread of invasive species
Increase of toxic substances at higher trophic levels
Growth of algae in lakes

Answer and solution

Correct answer: C) Increase of toxic substances at higher trophic levels

Persistent chemicals like DDT concentrate up the food chain.

Learn the method: Environment and Ecology rules and worked examples · UPSC CSE GS 1 Environment & Ecology

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