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← Nature & AnimalsWhich risk significantly increases when stomata improperly close?
A)Leaf protein content declines rapidly
B)Photorespiration rates exceed photosynthesis✓
C)Chlorophyll production happens at night
D)Rubisco enzyme becomes more potent
💡 Explanation
Increased photorespiration results because oxygen fixation surpasses normal carbon fixation due to limited CO2 entry. Therefore, photorespiration increases, rather than efficient photosynthesis, because proper stomatal closure regulates gas exchange.
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