The reverse process of photosynthesis is called

Respiration is the reverse of photosynthesis. Photosynthesis converts carbon dioxide and water into glucose and oxygen using sunlight; while respiration breaks down glucose to release energy; producing carbon dioxide and water. Digestion and excretion are unrelated processes; and D is incorrect. The correct answer; C) Respiration; is a fundamental concept in biology; frequently tested in everyday science sections of competitive exams.