BI-870
Factors affecting photosynthesis
Biology · Secondary 3 · Medium · Factors affecting photosynthesis
A student shines light of different intensities on a plant and measures the rate of oxygen production. The rate increases as light intensity increases, then becomes constant even when light intensity is raised further. Which factor is now limiting the rate of photosynthesis?
- Light intensity
- Carbon dioxide concentration
- Colour of the plant’s flowers
- Thickness of the stem
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