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NEET Biology Anatomy of Flowering Plants Question Bank Self Evaluation Test - Anatomy of Flowering Plants

  • question_answer
    The cork of commerce comes from:

    A) Quercus suber

    B) Quercus incana

    C) Quercus ithaburensis

    D) All of the above

    Correct Answer: A

    Solution :

    [a] The cork of commerce is obtained from Quercus suber. It is a layer of suberized and dead cells, cut off by a phellogen on the outside of the stem or root of a woody plant. The layer is protective and impervious to gases and water vapour.


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