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AFMC AFMC Solved Paper-2000

  • question_answer
    Which of the following is absent in the primary and secondary structure of stem of Pinus?

    A) Sieve tubes                       

    B) Mucilage duct

    C)                 Companion cells                              

    D)                 Phloem parenchyma

    Correct Answer: C

    Solution :

    In gymnosperm, (including Pinus), the companion cells are lacking in the phloem.


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