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Question
Distinguish between photosynthesis and aerobic respiration.
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Solution
| No. | Photosynthesis | Aerobic respiration |
| 1. | It takes place in the cells containing chloroplasts. | It takes place in all living cells of higher organisms. |
| 2. | It occurs in chloroplast. | It occurs in the cytoplasm and mitochondria. |
| 3. | It is an energy-trapping process. | It is an energy-releasing process. |
| 4. | It is an anabolic process. | It is a catabolic process. |
| 5. | This process requires CO2 and H2O. | This process requires sugar and O2. |
| 6. | Light is necessary for photosynthesis. | Light is not necessary for aerobic respiration. |
| 7. | The end products are carbohydrates and oxygen. | The end products are CO2, H2O and energy. |
| 8. | Overall equation: \[\ce{6CO2 + 12H2O -> C6H12O6 + 6H2O + 6O2↑}\] |
Overall equation: \[\ce{C6H12O6 + 6O2 -> 6H2O + 6CO2 + Energy}\] |
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