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NEETZoologyMicrobes in Human Welfare

Which one of the following is not a nitrogen-fixing organism?

Options

  1. AAnabaena
  2. BNostoc
  3. CAzotobacter
  4. DPseudomonas

Correct answer

D. Pseudomonas

Step-by-step solution

Anabaena, Nostoc and Azotobacter are the cyanobacteria. All are nitrogen-fixing organism.

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