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← Nature & AnimalsWhich photosynthetic outcome dictates leaf anatomy under high light exposure regimes?
A)Decreased chlorophyll synthesis efficiency
B)Increased mesophyll Kranz anatomy development✓
C)Reduced stomatal density for minimal exposure
D)Elevation of xanthophyll cycle activity
💡 Explanation
Under high light, C4 photosynthesis becomes more efficient because the Kranz anatomy, a specialized structure, concentrates CO2 around Rubisco, minimizing photorespiration. Therefore Kranz anatomy develops, rather than options affecting synthesis, reducing density, or increasing the xanthophyll cycle, which address different aspects of photosynthesis.
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