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

  • question_answer
    Indole-3-acetic acid called as auxin was first isolated from [CPMT 1990]

    A) Human urine

    B) Corn germ oil

    C) Fusarium

    D) Rhizopus

    Correct Answer: A

    Solution :

    Th first naturally accurring auxin i.e., Indole 3-acetic acid was isolated by Kogl and Haagen-Smit from human urine.


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