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NEET Biology Plant Growth and Development / पौधे की वृद्धि और विकास Question Bank ABA and Other Growth Regulators

  • question_answer
    Hormone causing stomatal closure is [Orissa JEE 2005]

    A) GA

    B) Kinetin

    C) ABA

    D) IBA

    Correct Answer: C

    Solution :

    Application of minute quantity of ABA to leaves reduces transpiration to a great extent through partial closure of stomata. It thus conserves water and reduces the requirement of irrigation.


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