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प्रश्न
Explain how the rate of transpiration is affected on:
a foggy day
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उत्तर
A foggy day: On a foggy day the area outside the leaf is saturated with water. So, water vapour from the leaves is removed very slowly thereby reducing transpiration.
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संबंधित प्रश्न
The loss of water as water vapour from the acrial parts of a plant is known as
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
Give suitable explanation for the following:
Water transpired is the water absorbed.
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 :
IAA
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
Name the process being studies. Define the process.
Answer the following (only in few words);
How does transpiration take place in night?
How does the rate of Transpiration differ when there is High temperature?
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Atmospheric humidity promotes transpiration from a green plant.
