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प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
विकल्प
increase
decrease rapidly
decrease slowly
remain the same
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उत्तर
increase
संबंधित प्रश्न
The loss of water as water vapour from the acrial parts of a plant is known as
Most of the transpiration in tall trees occurs through
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?
Choose the correct answer from the four options given below :
Which one of the following does not affect the rate of transpiration ?
Expand the following biological abbreviations :
IAA
Explain how the rate of transpiration is affected on:
a foggy day
What is cohesion?
Give a reason/suitable explanation.
Transpiration increases with the velocity of the wind.
