A) Nitrococcus, Nitrobacter, Nitrosomonas
B) Rhizobium, Aulosira, Bacillus, Polymyxa
C) Clostridiitm, Rhizobium, Nostoc
D) Anabaena, Nastoc, Azotobacter, Clostridium
Correct Answer: B
Solution :
Polymxya is a member of protista also called giant Amoeba which has no role in nitrogen fixation.
You need to login to perform this action.
You will be redirected in
3 sec
