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Question
Which pigment prevents photo-oxidation and destruction of chlorophyll?
Which pigment prevents photo-oxidation and destruction of chlorophyll?
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Solution
The correct option is A Carotene
Though chlorophyll is the major pigment responsible for trapping light, other thylakoid pigments like chlorophyll b, xanthophylls and carotenes (xanthophylls and carotenes are types of carotenoids), which are called accessory pigments, also absorb light and transfer the energy to chlorophyll a. Indeed, they not only enable a wider range of wavelength of incoming light to be utilised for photosynthesis but also protect chlorophyll a from photo-oxidation.
Though chlorophyll is the major pigment responsible for trapping light, other thylakoid pigments like chlorophyll b, xanthophylls and carotenes (xanthophylls and carotenes are types of carotenoids), which are called accessory pigments, also absorb light and transfer the energy to chlorophyll a. Indeed, they not only enable a wider range of wavelength of incoming light to be utilised for photosynthesis but also protect chlorophyll a from photo-oxidation.
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