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Nature & Animals

Which consequence results when plants experience high vapor-pressure deficit?

A)Increased guard cell turgor pressure
B)Reduced transpiration rates
C)Elevated stomatal closing hormone levels
D)Enhanced photosynthetic carbon fixation

💡 Explanation

Elevated vapor-pressure deficits triggers increased abscisic acid (ABA) production, stimulating stomatal closure signals, because hydraulic conductance decreases, therefore increased ABA levels occur, rather than opening, due to dry air stresses.

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