suggest how the upper surface of th land plant would differ.
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Photosynthesis is the process of trapping sunlight and converting the energy into chemical energy which is then provided as a food source.
So the sunlight is trapped through chlorophylls. This is a pigment in the organelle called the chloroplast. The upper surface of the leaf is open to sunlight where the plants have more chloroplasts containing more chlorophylls to trap the most amount of sunlight.
All these chlorophylls are green coloured and since there is an increased amount of chlorophylls in the upper surface than in the lower surface (to trap more and more sunlight), the upper surface appears to be greener than the lower surface.
So the sunlight is trapped through chlorophylls. This is a pigment in the organelle called the chloroplast. The upper surface of the leaf is open to sunlight where the plants have more chloroplasts containing more chlorophylls to trap the most amount of sunlight.
All these chlorophylls are green coloured and since there is an increased amount of chlorophylls in the upper surface than in the lower surface (to trap more and more sunlight), the upper surface appears to be greener than the lower surface.
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I have properly googled this and got various answers. However, those answers do not provide an answer to the "Why" part of my question. Why is it that the upper surface of leaves is more green than the lower one? Some sites suggest that it is because of the thick cuticle. Yet, that sounds weird and doesn't fully convince me. What other reasons to why the upper surface of leaves is more green and shiny than the lower one, could there be?
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