How do plants obtain the chemical energy that is stored and later used during photosynthesis?

Question

light energy from the Sun
chemical energy from oxygen
energy released from glucose
energy released from pyruvate

Answer 1

Plants obtain the chemical energy needed for photosynthesis mainly from light energy from the Sun. This light energy is converted into chemical energy through the process of photosynthesis, where carbon dioxide and water are combined to produce glucose and oxygen. The energy stored in the glucose molecule is later used by the plant for various biological processes.