BI-837
Factors affecting photosynthesis
Biology · Secondary 3 · Hard · Factors affecting photosynthesis
In an experiment, a potted plant is placed in a room where only light intensity is changed while temperature and carbon dioxide concentration are kept constant. As light intensity increases, the rate of photosynthesis increases at first, then levels off and stays constant. What is the limiting factor when the rate has levelled off?
- light intensity
- temperature
- carbon dioxide concentration
- chlorophyll concentration
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