Question

Most leaves have a shiny and more green upper surface than a lower one. Why

Answer 1

The lower surface of the leaves have tiny openings known as stomata on them and if they are covered then the gaseous exchange in photosynthesis and respiration will not occur more effectively. . The waxy covering is called cutin and it protects the leaves.
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Answered by Adhya

Answer 2

The lower surface of the leaves have tiny openings known as stomata on them and if they are covered then the gaseous exchange in photosynthesis and respiration will not occur more effectively. . The waxy covering is called cutin and it protects the leaves.

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