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Stomatal opening is under the control of

Epidermal cells
Palisade cells
Spongy parenchyma cells
Guard cells
Additional Questions

Rate of transpiration is highest when

Answer

Which wall of the guard cells is thick?

Answer

Who said that ‘transpiration is a necessary evil"?

Answer

Transpiration occurs from

Answer

Transpiration differs from evaporation in

Answer

Water enters into root hairs from the soil on account of ________.

Answer

Transpiration occurs through

Answer

Cohesion theory of ascent of sap was proposed by

Answer

Which of the following explain ascent of sap?

Answer

A semipermeable membrane allows the diffusion of

Answer
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