Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2008

  • question_answer
    In  cell  cycle,   during  which  phase, chromosomes are arranged in equatorial plate?

    A)  Metaphase                       

    B)  Anaphase

    C)  Telophase                         

    D)  Prophase

    Correct Answer: A

    Solution :

    Metaphase in both mitosis and meiosis is             characterized   by   the   orientation   of chromosomes   themselves on the spindle   fibres at the equatorial plate.             Prophase is the first phage and the longest of all   phages. Chromatin of the nucleus become          condensed forming chromosomes.             Anaphase is characterized by the separation of     chromatids. Chromatids move in opposite           direction towards the pole. Contraction of spindle              fibre occurs. It is the shortest of four phases in duration.             Telophase in a sense is reversible process of          prophase. Chromatin network are reformed from             chromosomes. The nuclear membrane and             nucleolus (which disappeared at late prophase)             reappears.


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