JCECE Medical JCECE Medical Solved Paper-2003

  • question_answer
    Which of the following have sunken stomata?

    A)  Nerium        

    B)  Mangifera

    C)  Hydrilla       

    D)  Zeamays

    Correct Answer: A

    Solution :

     Nerium is a xerophytic plant. It has sunken stomata in leaf, which is an adaptive structure in xerophytic plants for reducing the water wastage during transpiration. Nerium has several layered epidermis. The Hydrilla is a rooted submerged hydrophyte. Stomata are completely absent in submerged leaves.   Zea mays and Mangifera are mesophytes. The mesophytes are very extensive on the land surface. The leaves are generally large broad and varied in shape. Stomata are generally present on both surfaces of leaves.


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