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NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    Which one of the following hormones is involved in the ripening of fruits?                          

    A)                 Zeatin  

    B)                 Indole acetic acid

    C)                 Ethylene

    D)                 Naphthalene acetic acid

    Correct Answer: C

    Solution :

                    Ethylene promotes ripening of fruits. It is also used to promote abscission of leaves, flowers and fruits in a variety of plants.                 Zeatin is the first cytokinin hormone obtained from unripened maize grains or kernels by Letham et. al., Indole Acetic Acid (IAA) is a universal natural auxin hormone isolated by Kogl et al. (1934). Naphthalene   Acetic   Acid   (NAA)   is   the synthetic auxin.


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