The molar ratio of chlorophyll and xanthophyll is

4 : 1

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3 : 1

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1 : 1

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2 : 1

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Solution

The correct option is D 3 : 1
The molar ratio of chlorophyll and xanthophyll is 3:1.
Chlorophyll is a green pigment, present in all green plants and in cyanobacteria, which is responsible for the absorption of light to provide energy for photosynthesis.
Xanthophyll is a yellow or brown carotenoid plant pigment which causes the autumn colors of leaves.
So, the correct answer is "3:1".

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