A) Azotobacter
B) Clostridium
C) Rhodomicrobiwn
D) Xanthomonas
Correct Answer: B
Solution :
Atmosphere contains\[{{N}_{2}}=78%\](most abundant available gas)\[{{O}_{2}}=21%\](second most abundant gas) Clostridium is an anaerobic bacterium it does not require 0^ for respiration but it can fix atmospheric nitrogen (most available atmospheric gas).You need to login to perform this action.
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