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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    Richmond-Lang effect on delay of senesence is phenomenon of physiological activity of

    A)  ethylene                       

    B)  zeatin               

    C)  ABA               

    D)  gibberellin

    Correct Answer: B

    Solution :

    Richmond and Lang observed the effect of cytokines on delay of senescence, while working on detached Xanthium leaves. It is associated will zeatin.


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