Nitrogen deficiency typically shows chlorosis in which leaves?

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Multiple Choice

Nitrogen deficiency typically shows chlorosis in which leaves?

Explanation:
Nitrogen is mobile in plants, so when it’s scarce the plant moves available nitrogen from older tissues to support new growth. This causes the oldest leaves to lose chlorophyll first, leading to chlorosis that begins at the older leaves. If the deficiency continues, the yellowing can spread, but the initial and most prominent symptom shows up in the older leaves rather than the young growth or flowers.

Nitrogen is mobile in plants, so when it’s scarce the plant moves available nitrogen from older tissues to support new growth. This causes the oldest leaves to lose chlorophyll first, leading to chlorosis that begins at the older leaves. If the deficiency continues, the yellowing can spread, but the initial and most prominent symptom shows up in the older leaves rather than the young growth or flowers.

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