The bacteria which is associated with some plant roots and fix atmospheric nitrogen is called
A
Azotobacter
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B
Escherichia
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C
Rhizobium
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D
Pseudomonas
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Solution
The correct option is CRhizobium Rhizobium is a genus of Gram-negative soil bacteria, that can fix atmospheric nitrogen. Rhizobium forms an endosymbiotic nitrogen- fixing association with roots of legumes. The bacteria colonize plant cells within root nodules, where the bacteria convert atmospheric nitrogen to ammonia.