Question

    Which of the following is not a stem modification?

    A tuber of the potato Correct Answer Incorrect Answer
    B Rhizome of Ginger Correct Answer Incorrect Answer
    C Pitcher of Nepenthes Correct Answer Incorrect Answer
    D Corm of Colocasia Correct Answer Incorrect Answer

    Solution

    The tip of the lamina of the leaf in Nepenthes (pitcher plant) gets modified into pitcher which contains proteolytic enzymes to digest the trapped insects to make up the nitrogen deficiency in plants.

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