NEET NEET SOLVED PAPER 2015 (Re)

  • question_answer
    Auxin can be bioassayed by                                                                                                                       

    A)  Avena coleoptile curvature

    B)  hydroponics

    C)  photometer

    D)  lettuce hypocotyl elongation

    Correct Answer: A

    Solution :

                    Auxin is a phytohormone that is often bioassayed by Avena coleoptile curvature test. The angle of curvature of a decapitated oat coleoptile is measured after placing an agar block containing auxin on one side. The ability of auxin to stimulate shoot growth is then measured.


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