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

  • question_answer
    Formative hormone is

    A) Calines

    B) Traumatic acid

    C) Both [a] and [b]

    D) None of the above

    Correct Answer: A

    Solution :

    Certain other natural growth hormones in plants called as calines or formative hormone which are thought to be essential for the effect of auxin on root, stem and leaf growth.


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