Answer:
The correct answer will be option-D.
Explanation:
Photosynthesis process proceeds in two phases: light-dependent reaction and independent reaction. The light-dependent reaction is necessary as it converts the light energy to chemical energy by capturing the light photons by photosystems.
Light causes excitation of the electrons from chlorophyll which travels down electron transport chain and produces the intermediate energy equivalents mainly ATP and NADPH. These ATP and NADPH are directly utilized in the second phase of the photosynthesis which forms the glucose molecule.
Thus, option-D is the correct answer.
