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NEET Biology Plant Growth and Development / पौधे की वृद्धि और विकास Question Bank Photoperiodism and Vernalization

  • question_answer
    The term 'photoperiodism' was proposed by or The phenomenon of photoperiodism in plants was discovered by [BHU 1982, 85; MP PMT 1987, 94, 2002; CPMT 1987]

    A) Lysenko and Thimman

    B) Blackman and Skoog

    C) Garner and Allard

    D) Chailakhyan and Borthwick

    Correct Answer: C

    Solution :

    The effect of photoperiod on flowering was discovered by Garners and Allard at USA in 1920 in case of Maryland Mammoth variety of Tabacco which is an SDP.


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