Biology for IGCSE & O level - Plant Nutrition (Section 5 - No. 50)
What would happen to the rate of photosynthesis if the concentration of carbon dioxide was reduced significantly?
The rate would increase dramatically.
The rate would remain the same.
The rate would decrease.
The plant would die immediately.
Explanation
Carbon dioxide is a reactant in photosynthesis; a lower concentration would decrease the rate.
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