In a highly pesticide polluted pond, which of the following aquatic organisms will have the maximum amount of pesticide per gram of body mass?

Lotus

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Fishes

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Spirogyra

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Zooplanktons

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Solution

The correct option is A Fishes
Biomagnification is the process where the concentration of toxic compounds increases in the body of the organisms through the food chain. The organisms at the higher trophic level will have more concentration of the compounds. Here, fishes are at the highest trophic level, so they will accumulate maximum amount of pesticides. So, the correct answer is 'Fishes'.

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Similar questions

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

A food chain consists of fish, larvae, phytoplankton and birds. The level of pesticides in water in which the fish, larva and phytoplanktons live is quite high.

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(b) Which organism will have the maximum amount of pesticides accumulated through the food chain?

(d) Which other organisms you could write in place of a bird in the above food chain?

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(a) sewage

(b) fertiliser

(d) pesticide

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