Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    The cells are chlorophyllous, fewer in number, unique in shape and inner walls thick. This decription fits into

    A)  subsidiary cells  

    B)  guard cells

    C)  passage cells     

    D)  bulliform cells

    Correct Answer: B

    Solution :

    Stoma is a simple hole, present in epidermis. It is surrounded by two specialised epidermal cells, known as guard cells. They may be kidney-shaped (as in dicots) or dumb-bell shaped (as in monocots).


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