Answers

2016-02-10T12:53:24+05:30
Biological Fixation or Biological Nitrogen Fixation (BNF) is process of reducing atmospheric dinitrogen into ammonia in the presence of Nitrogenase( a biological catalyst) found naturally in certain microorganisms like Rhizobium & Frankia. e.g. Legume-Rhizobium symbiosis for BNF
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