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Q.
Accessory pigments:
Photosynthesis in Higher Plants
Solution:
Accessory pigments are light-absorbing compounds
that traps light energy and channels it to chlorophyll a
which initiates the reactions of photosynthesis.
Accessory pigment includes the carotenoids,
phycobiliproteins, and chlorophylls $b, c,$ and $d$. Indeed,
they not on enable a wider range of wavelength of
incoming light to be utilized for photosynthesis but also
protect chlorophyll a from the photo-oxidation.