CMC Medical CMC-Medical VELLORE Solved Paper-2014

  • question_answer
    As it passes into food chain, the concentration of DDT

    A)  remains same

    B)  decreases

    C)  increases

    D)  unpredictable

    Correct Answer: C

    Solution :

              When a pesticide such as DDT passes from lower tropic level to higher level, through food chain, the amount of pesticide per unit weight of organism increases due to accumulation in fat. This process is called bio-magnification.


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