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Describe the effect of oxygen on photosynthesis.
Answer
Effect of oxygen on photosynthesis : Oxygen is not the raw material for photosynthesis, but in the absence of oxygen, photosynthesis cannot occur. A slight increase in the amount of oxygen reduces the rate of photosynthesis in C3 plants. Higher concentration of oxygen reduces the rate of photosynthesis in C3 and C4 plants. It is called Warburg’s effett.