BHU PMT BHU PMT (Screening) Solved Paper-2008

  • question_answer
    A hormone delaying senescence is

    A)  auxin                                   

    B)  cytokinin

    C)  ethylene                            

    D)  gibberellins

    Correct Answer: B

    Solution :

                     Senescence is the process of ageing, which is caused by increased entropy, cellular breakdown, reduced anabolic process and increased catabolic process. Cytokinins are amino purine derivatives, which promote cell division and delay senescence by controlling protein synthesis.


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