BI-732
Factors affecting photosynthesis
Biology · Secondary 3 · Medium · Factors affecting photosynthesis
The graph shows how the rate of photosynthesis of a plant changes with light intensity at a fixed carbon dioxide concentration.
At low light intensity, the rate increases steeply. Beyond a certain point, the curve levels off and further increases in light intensity do not increase the rate.
What is limiting the rate of photosynthesis when the curve has levelled off?
At low light intensity, the rate increases steeply. Beyond a certain point, the curve levels off and further increases in light intensity do not increase the rate.
What is limiting the rate of photosynthesis when the curve has levelled off?
- Light intensity
- Availability of chlorophyll
- Concentration of carbon dioxide
- Volume of water in the soil
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