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Question
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
Solution
Transpiration increases with the velocity of wind. If the wind blows faster, the water vapours released during transpiration are removed faster and the area surrounding the transpiring leaf does not get saturated with water vapour.
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RELATED QUESTIONS
One of the internal factors which affect the rate of transpiration is
Transpiration is best defined as
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List any three major factors that accelerate the rate of transpiration.
In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?
Answer the following (only in few words);
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Transpiration rate is high, when ___________
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The intensity of light.
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The humidity of the atmosphere.
Give Technical Term
The substances which check the rate of transpiration.
