Which nutrient promotes growth of leaves?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

Which nutrient promotes growth of leaves?

Explanation:
Nitrogen drives leaf growth because it is a key part of chlorophyll, the molecule that enables photosynthesis, and it forms the amino acids that build leaf proteins. When nitrogen is available, plants produce more chlorophyll, leading to lush, green, expanding leaves. If nitrogen is lacking, leaves often turn pale and growth slows because the plant can’t make enough proteins or chlorophyll. Phosphorus supports energy transfer and root/flower development, potassium helps with water regulation and overall vigor, and vitamins aren’t the primary nutrients plants rely on for growing healthy leaves.

Nitrogen drives leaf growth because it is a key part of chlorophyll, the molecule that enables photosynthesis, and it forms the amino acids that build leaf proteins. When nitrogen is available, plants produce more chlorophyll, leading to lush, green, expanding leaves. If nitrogen is lacking, leaves often turn pale and growth slows because the plant can’t make enough proteins or chlorophyll. Phosphorus supports energy transfer and root/flower development, potassium helps with water regulation and overall vigor, and vitamins aren’t the primary nutrients plants rely on for growing healthy leaves.

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