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प्रश्न
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
उत्तर
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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संबंधित प्रश्न
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
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);
What is the relationship between transpiration water and water absorbed from the soil?
Explain how the rate of transpiration is affected on:
a windy day
“A higher rate of transpiration is recorded on a windy day rather than on a calm day.” Explain.
Name the following:
Season in which the transpiration rate is the highest.
How does the rate of Transpiration differ when there is High temperature?
Give a reason/suitable explanation.
Transpiration increases with the velocity of the wind.
