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    Question

    Which of these plants contains nitrogenfixing

    bacteria?
    A Gram Correct Answer Incorrect Answer
    B Wheat Correct Answer Incorrect Answer
    C Cotton Correct Answer Incorrect Answer
    D Mustard Correct Answer Incorrect Answer

    Solution

    Gram (chickpea) is a leguminous plant that has nitrogen-fixing bacteria (Rhizobium) in its root nodules. These bacteria convert atmospheric nitrogen into a form that the plant can use, enriching the soil with nitrogen and improving its fertility.

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