EAMCET Medical EAMCET Medical Solved Paper-2004

  • question_answer
    Which of the following statements about phelloderm are true?
    (i) It is a living tissue.
    (ii) It is concerned with the conduction of water and salts.
    (iii) It is a photosynthetic tissue.
    The correct combination is:

    A) i, ii and iii are correct

    B) only i and ii are correct

    C) only ii and iii are correct

    D) only i and iii are correct

    Correct Answer: D

    Solution :

    In roots and stems having secondary growth, the epidermis is replaced by a protective layer of secondary origin called periderm. Later includes the phallogen or Cork cambium, the cork phellem, formed outside by the phellogen and inner cortex or phelloderm. Phelloderm is a living parenchymatous tissue. It also contains chlorophyll, so, takes part in the process of photosynthesis.


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