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NEET Biology Structural Organisation In Animals Question Bank Tissue General

  • question_answer
    Which of the following is absent in the primary and secondary structure of stem of Pinus [AIIMS 2000]

    A) Sieve tubes

    B) Mucilage duct

    C) Companion cells

    D) Phloem parenchyma

    Correct Answer: C

    Solution :

    Companion cells are found in angiosperms only. In gymnospermic plants albuminous cells are found in place of companion cells.


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