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(B) The most important factor regulating transpiration is the opening and closing of stomata.Stomatal movement is primarily controlled by light intens

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Light

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(B) The most important factor regulating transpiration is the opening and closing of stomata.Stomatal movement is primarily controlled by light intensity.During the day,light triggers the opening of stomata to facilitate gas exchange for photosynthesis,which simultaneously allows water vapor to escape,thereby regulating the rate of transpiration.Therefore,light is considered the most significant factor among the given options.

	Stomata of Monocots	Stomata of Dicots
$A$.	Bean-shaped	Dumbbell-shaped
$B$.	Dumbbell-shaped	Bean-shaped
$C$.	Bean-shaped	Bean-shaped
$D$.	Dumbbell-shaped	Dumbbell-shaped

Which of the following factors is the most important in the regulation of transpiration?

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The process by which plants lose water in liquid form is called $P$,while the process by which plants lose water in the form of vapor is called $Q$.

Select the correct option for the shape of guard cells in stomata.
Stomata of Monocots Stomata of Dicots
$A$. Bean-shaped Dumbbell-shaped
$B$. Dumbbell-shaped Bean-shaped
$C$. Bean-shaped Bean-shaped
$D$. Dumbbell-shaped Dumbbell-shaped

Which of the following is not related to the structure of stomata?

Explain: transpiration is an 'avoidable' event.

Guttation may be defined as a process in which plants can

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