How do plants obtain nitrogen?

They remove it from the air.
They absorb it through their roots.
They fix it in their leaves.
They produce it in their stems.

Question

How do plants obtain nitrogen?

They remove it from the air.
They absorb it through their roots.
They fix it in their leaves.
They produce it in their stems.

GPT-5 mini · Answer

They absorb it through their roots.

Plants take up nitrogen from the soil as nitrate (NO3–) or ammonium (NH4+) via their roots. (Some plants — especially legumes — get usable nitrogen through symbiotic bacteria in root nodules that fix atmospheric N2 into forms the plant can absorb.)

How do plants obtain nitrogen?

They remove it from the air.
They absorb it through their roots.
They fix it in their leaves.
They produce it in their stems.

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How do plants obtain nitrogen? They remove it from the air. They absorb it through their roots. They fix it in their leaves. They produce it in their stems.

All Answers 1