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If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
Answers (1)
Ans.
Photosynthesis and respiration are two independent processes.
- Respiration: Process of oxidation of food substances. It releases carbon dioxide and takes place throughout the day.
- Photosynthesis: Process of fixing the atmospheric carbon dioxide into organic compounds (carbohydrates). It releases oxygen gas as a by-product.
Photosynthesis takes place in presence of Sunlight only. If a plant is releasing carbon dioxide and taking in oxygen during the day, it does not mean that there is no photosynthesis occurring. It means that the rate of photosynthesis is slow.
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