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Question

Which process leads to the accumulation of toxicants in higher trophic levels?

A
Global warming
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B
Biomagnification
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C
Deforestation
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D
Eutrophication
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Solution

The correct option is B Biomagnification
Biomagnification is the process by which toxicants such as DDT and mercury (present in chemical fertilisers) get concentrated on successive trophic levels as they do not get metabolised or excreted by the body of the organism.

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