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Why is the Upper Surface of Broad Leaves Greener than Their Lower Surface?

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Question

Why is the upper surface of broad leaves greener than their lower surface?
Short/Brief Note
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Solution

It is because the upper surfaces of broad leaves are directly exposed to sunlight which leads to maximize the rate of photosynthesis.

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Chapter 6: Photosynthesis - Exercises [Page 85]

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Frank Biology Part 2 [English] Class 10 ICSE
Chapter 6 Photosynthesis
Exercises | Q 18. | Page 85

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