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Science · 2025 · 3 marks
CBSE 2025 · Region 2 · Set 3 · Q33
Some harmful chemicals get accumulated in human bodies through the food chain. Name this phenomenon. Explain the reason of maximum concentration of…
Some harmful chemicals get accumulated in human bodies through the food chain. Name this phenomenon. Explain the reason of maximum concentration of these chemicals found in our bodies.
Marking-scheme solution
Biological magnification
Reason: These chemicals are not biodegradable and they get accumulated over successive trophic levels. Since, human beings occupy the top level in a food chain, they are affected the most.
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