Which pigment in chloroplasts is responsible for absorbing light energy during photosynthesis?

The pigment responsible for absorbing light energy during photosynthesis is chlorophyll. Chlorophyll is critical for this process as it primarily absorbs blue and red wavelengths of light and reflects green light, which is why most plants appear green. This absorption of light energy is essential for converting it into chemical energy through the process of photosynthesis, facilitating the conversion of carbon dioxide and water into glucose and oxygen.

While other pigments like carotene and xanthophyll also play roles in photosynthesis, particularly in light absorption and providing additional protection by capturing light energy and protecting against excess light, chlorophyll is the main pigment that drives the photosynthesis process. Anthocyanin, on the other hand, is primarily involved in coloring fruits and flowers and does not play a significant role in photosynthesis.