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NEET AIPMT SOLVED PAPER MAINS 2010

  • question_answer
    Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?

    A)  Opuntia              

    B)  Casuarina          

    C)  Hydrilla               

    D)  Acacia

    Correct Answer: A

    Solution :

    Opuntia is a plant growing in dry and xeric habitats. In this, the stem having several nodes and internodes is modified into flat, fleshy, thick,   green leaf-like structure called phylloclade. Phylloclade performs the function of photosynthesis like a leaf and also stores food. The leaves get modified into spines which helps to reduce transpiration.


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