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NEET2014ZoologyMicrobes in Human WelfareActual

Which of the following is non-symbiotic nitrogen fixer organism?

Options

  1. AVAM
  2. BAzotobacter
  3. CAnabaena
  4. DRhizobium

Correct answer

B. Azotobacter

Step-by-step solution

Anabaena, Nostoc and Aulosira are symbiotic Rhizobium N ₂ -fixing microbes, while.

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