WB JEE Medical WB JEE Medical Solved Paper-2015

  • question_answer
    Which one of the following insecticides is of plant origin?

    A)  Ecdysone          

    B)  Rotenone

    C)  Parathion          

    D)  Malathion

    Correct Answer: B

    Solution :

     Rotenone is an odourless, colourless crystalline ketonic chemical compound used  as a broad-spectrum  insecticide,  piscicide  and pesticide. It occurs naturally in the seeds and stems of several plants, such as the jicama vine plant and the roots of several members of Fabaceae.


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