Question

what is the primary pigment that absorbs light energy in the thylakoid? chlorophyll stroma granum

Explanation:

The thylakoid is part of the chloroplast structure involved in photosynthesis. Chlorophyll is the primary pigment in thylakoids that absorbs light energy for photosynthesis. Stroma is the fluid - filled space in chloroplasts, and granum is a stack of thylakoids, neither of which are pigments that absorb light energy.

Answer:

A. Chlorophyll