BI-752
Factors affecting photosynthesis
Biology · Secondary 3 · Medium · Factors affecting photosynthesis
A student shines light of increasing intensity on a pond plant and measures the rate of photosynthesis. The rate rises quickly at first, then levels off even when light intensity is increased further. Which factor is now limiting the rate?
- Light intensity remains the only limiting factor.
- Carbon dioxide concentration becomes limiting.
- Chlorophyll stops absorbing light.
- Water is no longer needed for photosynthesis.
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