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प्रश्न
Explain how the rate of transpiration is affected on:
a windy day
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उत्तर
A windy day: On a windy day the water vapour released from the leaves by transpiration is removed faster and the leaf does not get saturated with water. So, transpiration is more during a windy day.
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संबंधित प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
Most of the transpiration in tall trees occurs through
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
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?
Name the following.
The instrument used for measuring the rate of transpiration.
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
“A higher rate of transpiration is recorded on a windy day rather than on a calm day.” Explain.
Name the three external factors which increase the rate of transpiration.
Name three extrinsic factors which decrease the rate of transpiration.
