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    Question

    Which  among the following  can be considered as a

    biofertilizer?
    A Superphosphate Correct Answer Incorrect Answer
    B Rhizobium Correct Answer Incorrect Answer
    C Urea Correct Answer Incorrect Answer
    D Potash Correct Answer Incorrect Answer
    E Calcium nitrate Correct Answer Incorrect Answer

    Solution

    Rhizobium is a nitrogen-fixing bacterium used as a biofertilizer.

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