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Question
Autumnal leaf colour is due to
Autumnal leaf colour is due to
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Solution
The correct option is B Carotenoids
Carotenoids
are the photosynthetic pigment that has an ability to absorb light, at specific
wavelengths. It does not have oxygen atoms. Carotene absorbs ultraviolet,
violet, and blue light and scatters yellow, orange or red light. It
protects plants from excessive heat and prevents photo-oxidation (oxidative
destruction by light) of chlorophyll pigments. Autumnal leaf colour is yellow or orange due
to the presence of carotenoids. They show yellow orange colour
in the chromatogram.
Carotenoids are the photosynthetic pigment that has an ability to absorb light, at specific wavelengths. It does not have oxygen atoms. Carotene absorbs ultraviolet, violet, and blue light and scatters yellow, orange or red light. It protects plants from excessive heat and prevents photo-oxidation (oxidative destruction by light) of chlorophyll pigments. Autumnal leaf colour is yellow or orange due to the presence of carotenoids. They show yellow orange colour in the chromatogram.
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