A) Rhodobacter
B) Spirillum
C) Azotobacter
D) All of these
Correct Answer: C
Solution :
Feature | Organism |
Non-photosynthetic, non-symbiotic, \[{{\text{N}}_{\text{2}}}\text{-}\]fixing bacteria | Azotobactor, Rhodospirillum |
Symbiotic \[{{\text{N}}_{\text{2}}}\text{-}\]fixing bacteria | Rhizobium |
Non-symbiotic, nitrogen fixing cyanobacteria | Anabaena, Nostoc. |
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