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AFMC AFMC Solved Paper-2009

  • question_answer
    Who discovered an infectious agent that was to be a free RNA of low molecular weight, it also lacked protein coat. This agent caused potato spindle tuber disease?

    A) M W Beijerinck

    B) T O Diener

    C) J Ivanowsky                       

    D) W M Stanley

    Correct Answer: B

    Solution :

    In 1971. T O Diener discovered viroid, a new infectious agent that was smaller than virsuses and caused potato spindle tuber disease.


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