Most famous nitrogen fixing bacterium/biofertilizer is [Kerala PMT 200 – McqOptions

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1.	Most famous nitrogen fixing bacterium/biofertilizer is [Kerala PMT 2000; JIPMER 2000]
A.	Nitrobacter
B.	Nitrosomonas
C.	Nitrococcus
D.	Rhizobium
Answer» E.

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