How is light used in photosynthesis?
A) The light is necessary to make the chlorophyll green, so the pigment can transmit electrons.
B) The light is used to generate high-energy electrons with great reducing potential.
C) The light provides heat energy for the chloroplasts.
D) The light is absorbed by oxygen which is converted into water.
E) None of the answers is correct.

Question

Quizplus · Accepted Answer

Light energy is absorbed by chlorophyll and other pigments, which is then used to convert carbon dioxide and water into glucose and oxygen. This process involves the generation of high-energy electrons, which are crucial for the synthesis of ATP and NADPH during the light-dependent reactions of photosynthesis. These molecules provide the energy and reducing power needed for the Calvin cycle, where carbon fixation occurs.

How Is Light Used in Photosynthesis