NEET Sample Paper NEET Sample Test Paper-85

  • question_answer
    The quiescent centre in root meristem serves as a

    A) site for storage of food which is utilized during maturation.

    B) reservoir of growth hormones.

    C) reserve for replenishment of damaged cells of the meristem.

    D) region for absorption of water.

    Correct Answer: C

    Solution :

    [c] The concept of quiescent centre was proposed by Clowes in 1961. On the basis of auto radio graphic studies of DNA synthesis in the root tip of zea, he found a reservoir of cells having low DNA, RNA and protein concentration. They may or may not divide but the cells are capable of resuming meristematic activity should tissue surrounding them be damaged.


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