In a lake polluted with pesticides, which one of the following will contain the maximum amount of pesticide.

Small fish

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Microscopic animals

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Big fish

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Birds feeding on water organisms

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Solution

The correct option is C Big fish
If a lake is polluted with pesticides, large fish will contain the maximum amount of pesticide. The process due to which large fish will contain the maximum amount of pesticide is called biological magnification. It is also called as biomagnification. Phytoplanktons and zooplanktons absorb pesticide from the polluted water. Small fishes eats phytoplankton and zooplanktons. There will be increased accumulation of pesticide in their bodies. These small fishes are eaten by big fish. Hence, the big fish will have the maximum amount of pesticide.
Thus, the correct answer is 'Big fish.'

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Similar questions

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Which organisms accumulate the pesticides contained in the bodies of their prey.

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