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Photosynthesis

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  1. At a temperature above 35°C
    1. rate of photosynthesis will decline earlier than that of respiration
    2. rate of respiration will decline earlier than that of photosynthesis
    3. there is no fixed pattern
    4. both decline simultaneously
Correct Option: A

The optimum temperature of photosynthesis is 10°–25°C for C3 plants and 30°–45°C for C4 plants.


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