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NEET AIPMT SOLVED PAPER SCREENING 2011

  • question_answer
    The cork cambium, cork and secondary cortex are collectively called

    A) phellogen           

    B) periderm            

    C) phellem        

    D)        phelloderm

    Correct Answer: B

    Solution :

                    The periderm is a secondary protective structure and is made up of cork cambium (phellogen), cork   (phellem)   and   secondary   cortex (phelloderm).


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