Question

    What distinguishes xylem-inhabiting fastidious bacteria

    from other xylem-inhabiting bacteria like Pseudomonas and Erwinia?
    A Mechanical transmission Correct Answer Incorrect Answer
    B Inability to infect tissues other than xylem Correct Answer Incorrect Answer
    C Gram-positive nature Correct Answer Incorrect Answer
    D Growth on bacteriological culture media Correct Answer Incorrect Answer

    Solution

    Inability to infect tissues other than xylem. Xylem-inhabiting fastidious bacteria cannot infect tissues other than xylem, unlike other xylem-inhabiting bacteria.

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