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  4. Ecology And Environment

SSC Ecology And Environment Sample Paper NCERT Sample Paper-5

  • question_answer
    Increase in the concentration of pollutants in higher trophic levels is called

    A)  Recycling

    B)  eutrophication

    C)  Biodegradation

    D)  bio-magnification

    Correct Answer: D

    Solution :

    [d] The accumulation of toxic substance like DDT in organisms present at higher trophic level in the food chain is called biological magnification or bio-magnification. Due to this factor, maximum concentration of pollutants is found among the members present at higher trophic level.


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