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JIPMER Jipmer Medical Solved Paper-2006

  • question_answer
                                                                                     Gibberellin was first extracted from:

    A)  Gibberella fujikuroi

    B)  algae

    C)  bacteria

    D)  roots of higher plants

    Correct Answer: A

    Solution :

    Yabuta and Hayashi (1939) isolated an active substance from a fungus, Gibberella fujikuroi and called it gibberellins - A. It causes backane disease in rice seedlings.


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