Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can...
BIOLOGY
JAMB 2023
Which process in the nutrient cycle converts atmospheric nitrogen into a form that plants can utilize?
- A. Denitrification
- B. Nitrogen fixation
- C. Ammonification
- D. Nitrification
Correct Answer: B. Nitrogen fixation
Explanation
Nitrogen fixation is the process in the nutrient cycle that converts atmospheric nitrogen (N2) into a form that plants can utilize, typically ammonium (NH4+) or nitrate (NO3-). This process is carried out by nitrogen-fixing bacteria, which can either be free-living in the soil or form mutualistic relationships with certain plants, such as legumes.
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