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Manipal Medical Manipal Medical Solved Paper-2008

  • question_answer
    Which of the following insecticide is obtained from the roots of Den-is elleptica?

    A)  Cinerin         

    B)  Nicotine

    C)  Rotenone       

    D)  Pyrethmm

    Correct Answer: C

    Solution :

     Rotenone is a natural insecticide which is obtained from the root of Derris elleptica. Pyrethrum and cinerin are natural insecticides, obtained from Chrysanthemum cinerarifolium. Nicotine is an alkaloid, obtained from leaf of Nicotiana tabaccuni.


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