A) Beyermcfcia
B) Rhodospiriiium
C) Rhizobium
D) Azotobacter
Correct Answer: B
Solution :
[B] Rhodospirillum is a free-living, anaerobic, nitrogen fixer. Both Beijerinckia and Azotobacter are free-living, nitrogen-fixing, aerobic microbes. Khizobium is a symbiotic, nitrogen-fixer. |
You need to login to perform this action.
You will be redirected in
3 sec