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Question

Biological magnification is highest in _______.

A
humans
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B
planktons
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C
small fishes
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D
large fishes
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Solution

The correct option is A humans

Biological magnification or biomagnification is a process by which pesticides or heavy metals move up the trophic level. Contaminated water consumed by the smaller aquatic organism are eaten by smaller fishes which in turn are eaten by larger fishes, then by humans. As human beings occupy the top level in any food chain, the maximum concentration of these chemicals get accumulated in our bodies.


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