A) Khizobium
B) Spirogyra
C) Mucor
D) Methanococcus
Correct Answer: A
Solution :
Rhizobium can utilized molecular nitrogen \[({{N}_{2}})\] as nutrient for growth. Symbiotic nitrogen fixation is brought about by Rhizobium in the root nodules of legumes,You need to login to perform this action.
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