NEET Biology question

Not in NEET syllabus

The factor most important in regulating transpiration is

(A)Temperature
(B)LightCorrect
(C)Wind
(D)Relative humidity

Answer: (B)

Solution

Because stomatal aperture is primarily controlled by light (via the guard-cell proton pump and K⁺ fluxes), and most transpiration (over 90%) is stomatal,

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Question ID VK-127594