RAJASTHAN PMT Rajasthan - PMT Solved Paper-2001

  • question_answer
    Angiospermic companion cell is associated with:

    A)  sieve tube         

    B)  vessels

    C)  tracheids             

    D)  gymnospermic tracheids

    Correct Answer: A

    Solution :

                    Sieve tubes are thin, walled living cells made up of sieve tube elements. Its cytoplasm lacks nucleus. Sieve tube element develops from a common initial cell along with companion cell (with nucleus).


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