Root nodules in plants help in___________________?
Correct answer: B. Nitrogen fixation
- A. Photosynthesis
- B. Nitrogen fixation
- C. aeration
- D. Respiration
Explanation
Root nodules of leguminous plants house Rhizobium bacteria, which convert atmospheric nitrogen into forms usable by the plant. They do not perform photosynthesis or ordinary root respiration.
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