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  • Biological Nitrogen Fixation and Nitrogen Cycle (AIPVT)
  • Which of the following free living anaerobic microorganis...
Multiple choice

Which of the following free living anaerobic microorganisms acts as a nitrogen fixer?

  1. Azotobacter

  2. Beijerinckia

  3. Desulfovibrio

  4. Azospirillum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Desulfovibrio is a free living anaerobic nitrogen fixer.

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