A) phycoerythrin\[\to \]phycocyanin\[\to \]carotenoid\[\to \] chlorophyll-a
B) chlorophyll-b\[\to \] carotenoid\[\to \]phycoerythrin\[\to \] chlorophyll-a
C) phycocyanin\[\to \]phycoerythrin\[\to \]carotenoid\[\to \] chlorophyll-a
D) chlorophyll-b \[\to \]carotenoid\[\to \]phycocyanin\[\to \] chlorophyll-a
Correct Answer: A
Solution :
Photosynthetic pigments mainly occur on thylakoid membranes. These are major pigments like chlorophylls and accessory pigments like phycoerythrin, phycocyanin and carotenoids.The accessory photosynthetic pigments absorb light energy of various wavelength get excited and hand over the energy to chlorophyll ?a' molecules through electron spin resonance. So, order of energy transfer in photosynthesis occurs as phycoerythrin ->phycocyanin -> carotenoid -> chlorophyll ?a?.
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