NEET Biology Structural Organisation In Animals Question Bank Tissue General

  • question_answer
    The abscission layer is covered by a leaf scar which is composed of [AIIMS 1992]

    A) Pectose and cellulose

    B) Suberin

    C) Pectin

    D) Cutin

    Correct Answer: B

    Solution :

    After actual falling of leaf, the scar is exposed to air, which develops a primary protective layer by deposition of lignin and suberin on their wall.


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