Question

question 2
the primary light - absorbing pigment in photosynthesis is
a chlorophyll.
b carotenoid.
c thylakoid.
d stroma.
e phospholipids.

Explanation:

Chlorophyll is the main pigment in plants that absorbs light energy for photosynthesis. Carotenoids are accessory pigments. Thylakoids are membrane - bound structures in chloroplasts, stroma is the fluid part of chloroplasts, and phospholipids are components of cell membranes, not light - absorbing pigments for photosynthesis.

Answer:

A. chlorophyll