Which of the following events does not occur in the light reaction stage of photosynthesis?

Explanation

In the light stage of photosynthesis, the key events include: chlorophyll absorbing light energy, excited electrons being transferred through electron transport chains, water splitting to release oxygen, and the generation of ATP and NADPH molecules using the captured energy from light; all of these processes occur within the thylakoid membranes of chloroplasts. However, Carbon(IV) oxide does not combine with hydrogen in the light stage.