NEET Biology Structural Organisation In Animals Question Bank Tissue General

  • question_answer
    Leaves fall from the branches on account of [DPMT 1991]

    A) Completing their duration of life

    B) Formation of abscission layer external to cork

    C) Shortening of day time

    D) Fall in atmospheric temperature

    Correct Answer: B

    Solution :

    Abscission is a special layer of parenchymatous cells appear at the base. A protective layer of suberised thick walled cork cells is formed below the abscission layer to prevent infection.


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