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Nature & Animals

Which 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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