Difference between Photosynthesis and Respiration in Plants


Photosynthesis is defined as an anabolic physiological process by which green plants prepare simple sugar with the help of solar energy, carbon dioxide, and water. The chemical reactions within the chlorophyllous cells release oxygen equivalent to the amount of absorbed carbon dioxide as a byproduct.

Difference between Photosynthesis and Respiration in Plants


Respiration is the sum total of the physical (external respiration) and chemical (internal respiration) processes in an organism by which oxygen is conveyed to tissues and cells and the oxidation products, carbon dioxide, and water are given off. All the body cells metabolically consume oxygen and discharge carbon dioxide. To cover this need, respiration takes place internally and externally.

Difference between Photosynthesis and Respiration in Plants

Difference between Photosynthesis and Respiration:

Photosynthesis Respiration
1. Photosynthesis is a process that occurs only in green plants. 1. Respiration is a process that occurs in all living organisms.
2. It takes place in the chloroplast. 2. It takes place in mitochondria.
3. Photosynthesis requires the presence of sunlight. 3. Respiration does not require the presence of sunlight.
4. Photosynthesis is an anabolic process. 4. Respiration is a catabolic process.
5. It utilizes carbon dioxide and water. 5. It liberates Carbon dioxide and water.
6. It is an endothermic reaction. 6. It is an exothermic reaction.
7. In photosynthesis, Carbon dioxide is the raw material. 7. In respiration, Glucose and Oxygen are the raw materials.
8. In this process, Carbon dioxide is used up and oxygen is released. 8. In this process, Oxygen is used up and carbon dioxide is released.
9. Photosynthesis occurs in plants and some bacteria. 9. Respiration occurs in all living organisms.
10. Chemical reaction: 6CO2 + 6H2O → C6H12O6 + 6O2 10. Chemical reaction: C6H12O6 + 6O2 → 6CO2 + 6H2O

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