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JIPMER Jipmer Medical Solved Paper-2010

  • question_answer
    In callus culture, roots can be induced by the supply of

    A)  auxin   

    B)                         cytokinin

    C)  gibberellin         

    D)         ethylene

    Correct Answer: A

    Solution :

    Tissue culture is the technique of maintaining and growing cells, tissue, etc. and the differentiation on artificial medium under aseptic condition. Callus is a irregular, unorganised and undifferentiated mass of actively dividing cell. Differentiation of callus is under control of two hormones, .i.e., auxin and cytokinin. 
    Development of Condition
    Root \[\frac{Auxin}{Cytokinin}=\,High\]
    Shoot \[\frac{Auxin}{Cytokinin}=\,Low\]
    Both root and shoot \[\frac{Auxin}{Cytokinin}=\,Intermediate\]


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