Question

    Which component is incorrectly listed as part of the phloem structure?

    A Sieve tubes and companion cells Correct Answer Incorrect Answer
    B Tracheids and vessels Correct Answer Incorrect Answer
    C Phloem fibers Correct Answer Incorrect Answer
    D Phloem parenchyma Correct Answer Incorrect Answer

    Solution

    Phloem is composed of sieve tubes, companion cells, phloem fibers, and phloem parenchyma, not tracheids and vessels which are actually components of xylem.

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