NEET NEET SOLVED PAPER 2016 Phase-II

  • question_answer
    The highest DDT concentration in aquatic food chain shall occur in

    A)  Phytop lankton

    B)  Seagull

    C)  Crab

    D)  Eel

    Correct Answer: B

    Solution :

    Maximum DDT concentration occurs in fish eating birds like seagull due to bio-magnification. This happens because a toxic substance accumulated by an organism cannot be metabolised or excreted, thus passed to higher trophic level.


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