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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
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
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?
Expand the following biological abbreviations :
(i) ABA
Expand the following biological abbreviations :
IAA
Answer the following (only in few words);
How does transpiration take place in night?
Name the following:
Season in which the transpiration rate is the highest.
What is cohesion?
How does the rate of Transpiration differ when there is High humidity?
Name three extrinsic factors which decrease the rate of transpiration.
