Rhizobium is a nitrogen fixing soil bacteria found in the root nodules of pulses and has a ______ relationship with them.
A
parasitic
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B
symbiotic
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C
saprotrophic
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D
autotrophic
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Solution
The correct option is B symbiotic Rhizobium is a nitrogen-fixing soil bacteria. It lives in the root nodules of the leguminous plants. It has a symbiotic relationship with the plant. It fixes nitrogen for the plants to absorb, in turn, consumes the food produced by the plant. Here, both the partners are benefited.