Punjab Medical Punjab - MET Solved Paper-2008

  • question_answer In pteridophytes, phloem is without

    A)  sieve cells          

    B)  sieve tubes

    C)  companion cells              

    D)  bast fibres

    Correct Answer: C

    Solution :

    Pteridophytes are vascular, spore forming non-seed forming, non-flowering plants. The phloem of pteridophytes does not contain companion cells. Presence of companion cells is the characteristic feature of angiospermic phloem.


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