9th Class Science Tissues Question Bank Case Based MCQs - Tissues

  • question_answer
    Sieve tubes are devoid of...... but contain ......

    A) cytoplasm; nucleus

    B) nucleus; cytoplasm

    C) companion cells; nucleus

    D) nucleus; tracheids

    Correct Answer: B

    Solution :

    [b] Sieve tubes of phloem do not contain nucleus, rather, are directed by the nucleus of companion cells. However, sieve tubes contain cytoplasm.


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