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Which of the following causes biomagnifi...

Which of the following causes biomagnification ?

A

`SO_(2)`

B

Mercury

C

DDT

D

Both (b) and (c )

Text Solution

Verified by Experts

The correct Answer is:
D
Biomagnification refers to increase in concentration of toxicant at successive trophic levels. This happens because a toxic substance accumulated by an organism cannot be metabolised or excreted, and is thus passed on to the next higher trophic level. This phenomenon is well-known for mercury and DDT.
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