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CMC Medical CMC-Medical VELLORE Solved Paper-2013

  • question_answer
    The numbers of stomata and epidermal cells in 1 \[m{{m}^{2}}\] leaf area of lower epidermis of leaves of X, Y and Z plants are given below. Arrange the plants in decreasing order of their stomatal index.
    Cell Number of Stomata No. of epidermal Cells
    X 30 150
    Y 60 240
    Z 90 400
    The correct answer is

    A)  X Y Z                     

    B)  Y Z X

    C)  Z Y X                     

    D)  Y X Z

    Correct Answer: B

    Solution :

                    Stomal index (Si)\[=\frac{S}{S+E}\times 100\] where,     S = Number of stomata. E = Number of epidermal cells


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