Answer and Explanation:
Photosynthesis takes place in organelles called chloroplasts.The most important function of chloroplast is to make food by the process of photosynthesis.Light reactions takes place on the membranes of the thylakoids which have grana that are piled together. The grana contains the photosynthetic pigments and enzymes for the light reactions of photosynthesis. The stroma contains enzymes for the dark reactions.