BHU PMT BHU PMT (Screening) Solved Paper-2009

  • question_answer
    Which of the following plant cells is not surrounded by a cell wall?

    A)  Root hair cell                    

    B)  Stem hair cell

    C)  Gamete cell                      

    D)  Bacterial cell

    Correct Answer: C

    Solution :

                 The S-phase of cell cycle is also called 'synthesis phase', in which the cell synthesizes the replica of its genome, ie, DNA replication occurs during this stage, which ultimately results to the duplication of chromosomal material. Gamete is the haploid reproductive cell that fuse with another gamete to form a diploid zygote. These are not surrounded by the cell wall. On the other hand, root hair cell, stem hair cell and bacterial cell, all possess a well defined cell wall.


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