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Biology

Give reasons/explain:

Most leaves have the upper surface more green and shiny than the lower surface.

Photosynthesis

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Answer

Due to more amount of chlorophyll on the upper surface more light is trapped. The chloroplasts are concentrated in the upper layers of the leaf which helps cells to trap the sunlight quickly. The upper surface is more green and shiny because it has a waxy coating to prevent loss of water due to evaporation.

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