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Rhizobia is what type of organism

This question belongs to Agriculture Soil Science
Soil Science
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Rhizobia is what type of organism?

Answer & Solution
Correct Answer: Option B
Rhizobia are heterotrophic soil bacteria with diverse lifestyles. These are aerobic bacteria and are a genus of gram-negative, rod-shaped, nitrogen-fixing bacteria.
It can form nodules on legume roots and fix atmospheric nitrogen for the host plant.
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