A) Anabaena
B) Rhizobium
C) Azospirillum
D) All of the above
Correct Answer: B
Solution :
Rhizobium leguminosarium bacteria live symbiotically in root nodules of legumes and some non-legumes which fixes atmospheric\[{{N}_{2}}\]and hence increase the fertility of soil.You need to login to perform this action.
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