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

  • question_answer
    Cell elongation in internodal region takes place due to [CPMT 1989; CBSE PMT 2004]

    A) Gibberellins

    B) Ethylene

    C) Cytokinins

    D) Indole acetic acid

    Correct Answer: A

    Solution :

    The gibberellins induce elongation of the internodes. The elongation of stem results due to rapid cell division and cell elongation induced by gibberellins.


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