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    Question

    Match the followings A. Root

    nodules         I. Azobactor B. Fungus                  II. Rhizobium C. Biofertilizer            III. Mycorrhiza D. Oxidation               IV. Nitrobactor Choose the correct answer from the options given below:
    A A‐I, B ‐II, C ‐III, D ‐ IV Correct Answer Incorrect Answer
    B A‐II, B‐III, C‐I, D‐IV Correct Answer Incorrect Answer
    C A ‐III, B ‐II, C ‐IV, D ‐ I Correct Answer Incorrect Answer
    D A‐IV, B‐III, C‐II, D‐I Correct Answer Incorrect Answer

    Solution

    A. Root nodules are associated with nitrogen-fixing bacteria like Rhizobium B. Fungus is associated with plants through a symbiotic relationship known as Mycorrhiza C. Biofertilizer includes nitrogen-fixing bacteria such as Azotobacter D. Oxidation is associated with Nitrobacter in the process of nitrification

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