EAMCET Medical EAMCET Medical Solved Paper-2008

  • question_answer
    Identify the pair of physiological effects of two phytohormones which are synthesized from different amino acids.
    i.   Formation of perennating buds in Lemna.
    ii.  Simultaneous flowering in pineapple.
    iii. Bolting in cabbage.
    iv. Apical dominance in Polyalthia.
    The correct pair is

    A)  ii, iv                                      

    B)  i, iv

    C)  ii, iii                                       

    D)  i, ii

    Correct Answer: B

    Solution :

                     Auxin is synthesized in shoot apices, leaf primordia etc from amino acid tryptophan and cause apical dominance. NAA and 2,4-D (both auxins) are employed for inducing flowering in litchi and pineapple. Buds evelop when cytokinins are in excess.


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