BI-2059
Factors affecting photosynthesis
Biology · Secondary 4 · Hard · Factors affecting photosynthesis
A leaf is placed in bright light with a constant supply of water. The concentration of carbon dioxide around the leaf is gradually increased.
Which statement describes how the rate of photosynthesis changes?
Which statement describes how the rate of photosynthesis changes?
- It decreases steadily as carbon dioxide concentration increases.
- It increases steadily with no limit as carbon dioxide concentration increases.
- It increases at first, then remains constant when another factor becomes limiting.
- It remains constant at all carbon dioxide concentrations.
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