Biology for IGCSE & O level - Organisms And Their Environment (Section 4 - No. 36)
What is the role of legumes in the nitrogen cycle?
They absorb nitrogen gas directly from the air.
They host nitrogen-fixing bacteria in their roots.
They release nitrogen gas during decomposition.
They convert ammonia to nitrates.
Explanation
Legumes have a symbiotic relationship with nitrogen-fixing bacteria.
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