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

  • question_answer
    An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis in root of or Leaf aging is retarded by [DPMT 1984; CPMT 1985; CBSE PMT 1988]

    A) Ethylene

    B) Cytokinins

    C) Gibberellins

    D) Auxins

    Correct Answer: B

    Solution :

    Cytokinin prevent decolouration of chlorophyll study under Richmond - lang effects.


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