DENDROLOGY

Detailed explanation-1: -In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle-the chloroplast. Chloroplasts perform photosynthesis during the daylight hours. The immediate products of photosynthesis, NADPH and ATP, are used by the photosynthetic cells to produce many organic molecules.

Detailed explanation-2: -The light reaction of photosynthesis occurs in the presence of light which results in photolysis of water and it occurs in the grana of the chloroplast. Photosystems are present in the grana which are involved in the light reaction.