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11th Class Biology Sample Paper Biology Sample Paper-5

  • question_answer
    One hormone is used to speed up the mailing process in barley, another is used to promote flowering in pineapple, while the third helps in the delay of leaf senescence. These are respectively

    A)  auxin, gibberellin and cytokinin       

    B)  gibberellin, cytokinin and auxin

    C)  gibberellin, auxin and cytokinin       

    D)  cytokinnin, auxin and gibberellin

    Correct Answer: C

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