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    Question

    Which of the following leaf modifications occur (s) in

    the desert areas to inhibit water loss? 1.  Hard and waxy leaves 2.  Tiny leaves 3.  Thorns instead of leaves Select the correct answer using the code given below:
    A 2 and 3 only Correct Answer Incorrect Answer
    B 2 only Correct Answer Incorrect Answer
    C 3 only Correct Answer Incorrect Answer
    D 1, 2 and 3 Correct Answer Incorrect Answer

    Solution

    All statements are correct : The vegetation of hot desert climate is xerophytic which has special characteristics to withstand very high rate of evaporation. They have long roots, thick barks, waxy leaves, thorns and little leaves. The leaves are leathery and have a waxy substance on top to prevent water loss through the epidermis. Many xerophytic plants have small leaves and thorns. Spines protect the plant from animals, shade it from the sun and also collect moisture

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