9th Class Science Natural resources

  • question_answer 72)
      Why are root nodules useful for the plants?

    Answer:

      Root nodules are special parts on the roots of plants where nitrogen fixing bacteria are present. These bacteria convert inert aerial nitrogen into nitrates for the use of plants. The process of biofixation of nitrogen by some nitrogen fixing bacteria like Fihizobium, etc., is called nitrogen fixation.  (Also, refer to Q. 6)


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