Which Is Main Light-Absorbing Pigment For Photosynthesis?

1.   Carotenoids
2.   Chlorophyll a
3.    Xanthophylls
4.    Phycocyanin (found in some algae)

Answer: (2) Chlorophyll a

Explanation

Chlorophyll a is the primary light-absorbing pigment in plants. It captures blue and red wavelengths of sunlight crucial for initiating light-dependent reactions.