Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    Which of the following hormone is produced during leaf fall ?

    A)  ABA           

    B)  Cytokinin

    C)  Florigen        

    D)  Vernalin

    Correct Answer: A

    Solution :

    Abscisic acid (ABA) promotes senescence and abscission due to which the leaf or fruit fall occurs.


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