Q. 54.2( 5 Votes )

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Answer :

Due to use of pesticides to protect the crop, entered into the food chain. These pesticides are either washed down into the soil or in water-bodies. The level of accumulation of these pesticides in food chain increases at each higher trophic level and this process is termed as ‘Biological Magnification’. So, option ‘c’ is the correct answer.

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