Question : Rhizobium is a kind of:
Option 1: Photosynthetic bacteria
Option 2: Symbiotic bacteria
Option 3: Parasitic bacteria
Option 4: Saprophytic bacteria
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Correct Answer: Symbiotic bacteria
Solution : The correct answer is Symbiotic bacteria .
Rhizobium is a kind of symbiotic bacteria which is found in the roots of leguminous plants. It helps in nitrogen fixation. It is a gram-negative bacteria found in endo-symbiotic association with leguminous plants. It converts dinitrogen into ammonia. It increases soil productivity and fertility.
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