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      Question

      Biofertilizer _____________ contains a nitrogen-fixing

      bacterium that forms a symbiotic relationship with rice plants. This bacterium fixes atmospheric nitrogen into a form that the plant can use for its growth and development.
      A Frankia Correct Answer Incorrect Answer
      B Azolla Correct Answer Incorrect Answer
      C Azotobacter Correct Answer Incorrect Answer
      D Frankia Correct Answer Incorrect Answer

      Solution

      Azolla pinnata has Anabaena azollae in its leaves which fixes atmospheric nitrogen.

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