Listen the conversation and justify your answer Rema: "The upper part of leaves are: Greener than the lower part What would be the reason"
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Explanation:
because it has to absorb light
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The upper surface of leaf is greener than its lower surface because of the presence of mesophyll cells which contains chlorophyll. Due to more amount of chlorophyll on the upper surface more light energy is trapped hence more amount light of green wavelength is reflected.
Explanation:
A pigment is a natural colouring matter found in plant or animal cells or tissues. It is capable of changing the colour of reflected or transmitted light and it does so via wavelength-selective absorption. For example, the presence of a pigment chlorophyll imparts a green colour to the leaves of plants. As a higher number of chloroplasts (organelles containing chlorophyll) are present on the upper surface of leaves as compared to its lower surface, the upper surface is more green than the lower one.
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