AMU Medical AMU Solved Paper-2000

  • question_answer
    The phenomenon of heterophylly, where 2 different types of leaves are found is exhibited in which one of the following plants?

    A)                  Utricularia                         

    B)                  Limnophila heterophylla

    C)                  Cabomba stellaris

    D)                  None of the above

    Correct Answer: B

    Solution :

                     Limnophila heterophylla shows adaptive type of heterophylly. In this, submerged leaves are different from floating and emerged leaves of the same plant due to different adaptation. The emerged leaves are broad and fully expanded, while the submerged leaves are narrow, ribbon shaped, linear or highly dissected. In Utricularia, leaves are modified into bladder for trapping small aquatic animals like cyclops.


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