Question

which is the main light-absorbing pigment for photosynthesis?
○ carotene
○ chlorophyll
○ hemoglobin
○ anthocyanin

Explanation:

Chlorophyll is the main pigment in plants that absorbs light energy (especially red and blue light) for photosynthesis. Carotene is an accessory pigment. Hemoglobin is in red blood cells for oxygen transport. Anthocyanin gives color to flowers/fruits.

Answer:

chlorophyll