A) Clostridium
B) Rhizobium
C) Azotobacter
D) Rhodospirillum
Correct Answer: C
Solution :
Conversion of molecular nitrogen of the atmosphere into inorganic nitrogenous compounds through the agency of some living organisms is called as biological \[{{N}_{2}}-\]fixation. Azotobacter and Beijerinckia are aerobic free living, saprotrophic (heterotrophic) nitrogen fixing bacteria.
You need to login to perform this action.
You will be redirected in
3 sec
