Question

Explain the factors that affect the rate of photosynthesis in the early morning.​

Answer 1

→  The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration  and temperature.

• At low light intensities, as light intensity  increases, the rate of the light-dependent  reaction, and therefore photosynthesis  generally, increases.

• An increase in the carbon dioxide  concentration increases the rate at which  carbon is incorporated into carbohydrate  in the light-independent reaction, and so  the rate of photosynthesis generally  increases.

• As the  enzymes approach their optimum  temperatures the overall rate increases. It  approximately doubles for every 10 °C  increase in temperature.

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