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BVP Medical BVP Medical Solved Paper-2003

  • question_answer
    The pesticide most persistent in the soil is :

    A)                  DDT                                      

    B)                  BHC

    C)                  dieldrin                               

    D)                  baygon

    Correct Answer: C

    Solution :

                    Pesticides are substances used to kill or repel insect pests. They may be (i) organo- chlorines     (ii)     organophosphates (iii)   carbamates   (iv)   pyrethroids (v) triazines. Dieldrin is an example of organochlorines and is most persistent in soil. Most Importantly dieldrin is five times more toxic than DDT.


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