A) Rhizobium
B) Azotobacter
C) Streptococcus
D) Clostridium
Correct Answer: D
Solution :
Clostridium is saprophytic, anaerobic \[{{N}_{2}}\] fixing bacteria and have ability to fix atmospheric \[{{N}_{2}}\] in to \[N{{H}_{3}}.\]You need to login to perform this action.
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