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← Nature & AnimalsWhich consequence frequently results when stomatal conductance restricts terrestrial plant's transpiration?
A)Internal osmotic potential increases sharply
B)Water transport via xylem strengthens
C)Carbon dioxide uptake rate diminishes✓
D)Photorespiration becomes negligible immediately
💡 Explanation
Reduced stomatal conductance limits water loss via transpiration, but also restricts CO2 diffusion for photosynthesis; therefore, the carbon dioxide uptake rate diminishes because stomata facilitate gas exchange, rather than directly affecting osmotic balance or water transport, and instead promoting photorespiration under stress.
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