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प्रश्न
Choose the correct answer:
Transpiration rate is high, when ___________
विकल्प
Atmospheric water is saturated with vapour.
Light is very dim.
Temperature is low.
Atmosphere is dry and temperature is high.
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उत्तर
Transpiration rate is high, when atmosphere is dry and temperature is high
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संबंधित प्रश्न
Most of the transpiration in tall trees occurs through
Transpiration is best defined as
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically?
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?
Choose the correct answer from the four options given below :
Which one of the following does not affect the rate of transpiration ?
Explain how the rate of transpiration is affected on:
a windy day
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
Name three extrinsic factors which decrease the rate of transpiration.
