Question:
Write the names of any two atmospheric nitrogen-fixing microorganisms.
Write the names of any two atmospheric nitrogen-fixing microorganisms.
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Think of both free-living and symbiotic examples.
Updated On: Sep 23, 2026
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Solution and Explanation
Step 1: Recall free-living nitrogen fixers:
Free-living bacteria like Azotobacter and Clostridium can fix atmospheric nitrogen (N2) into ammonia directly in the soil.
Final Answer:
Azotobacter and Clostridium (or Rhizobium as a symbiotic fixer) are nitrogen-fixing microorganisms.
Free-living bacteria like Azotobacter and Clostridium can fix atmospheric nitrogen (N2) into ammonia directly in the soil.
Final Answer:
Azotobacter and Clostridium (or Rhizobium as a symbiotic fixer) are nitrogen-fixing microorganisms.
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