JCECE Medical JCECE Medical Solved Paper-2014

  • question_answer
    Periderm is formed by

    A)  phellem           

    B)  phelloderm

    C)  phellogen           

    D)  All of these

    Correct Answer: D

    Solution :

     In angiosperms, which show secondary growth, the epidermis is replaced by a protective layer of secondary origin called periderm. It consists of cork cambium (phellogen) cork (phellem) and secondary cortex (phelloderm).


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