Manipal Medical Manipal Medical Solved Paper-2003

  • question_answer Quiescent centre theory was proposed by:

    A)  Nagelli       

    B)  Schmidt

    C)  Hanstein      

    D)  Clowes

    Correct Answer: D

    Solution :

     Clowes (1956-58) proposed Quiescent centre theory7. Root apex is having a zone of slowly dividing cells (with low mitotic division) among highly meristematic cells known as quiescent centre, which is responsible for the formation of various structures of root. The cells of quiescent centre have low amount of DNA, RNA and protein.

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