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Chlorophyllous cells fewer in number, unique in shape with inner walls thicker are

guard cells
passage cells
subsidiary cells
bulliform cells
Additional Questions

The magnitude of root pressure will be minimum in

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Which of the following theory cannot explain the ascent of sap in tall trees.

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Which one gives the most valid explanation for guard cell movements?

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Stomatal opening is under the control of

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Rate of transpiration is highest when

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Which wall of the guard cells is thick?

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Who said that ‘transpiration is a necessary evil"?

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Transpiration occurs from

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Transpiration differs from evaporation in

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

Answer
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