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Biological Classification

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Biological Classification
  1. Nitrogen fixer soil organisms belong to
    1. mosses
    2. bacteria
    3. green algae
    4. soil fungi
Correct Option: B

Only some bacteria and blue green algae (cynobacteria) have the capacity to fix atmospheric nitrogen.
• Bacteria: Azotobacter, Rhizobium, Frankia etc.
• Blue green algae: Nostoc, Oscillatoria, Anabaena etc.


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