BI-2056
Factors affecting photosynthesis
Biology · Secondary 4 · Hard · Factors affecting photosynthesis
A leaf is placed in bright light with plenty of carbon dioxide but the air temperature is kept very low at 5 °C.
Which statement correctly describes the rate of photosynthesis in this leaf?
Which statement correctly describes the rate of photosynthesis in this leaf?
- It stops completely because there is no light limitation.
- It occurs slowly because enzyme activity is low at 5 °C.
- It occurs at the maximum rate because light is not limiting.
- It occurs at the maximum rate because carbon dioxide is in excess.
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