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प्रश्न
Transpiration is best defined as
पर्याय
loss of water by the plant
evaporation of water from the aerial surfaces of a plant
loss of water, as water vapour, by a plant
release of water by a plant into the atmosphere
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उत्तर
evaporation of water from the surfaces of a plant
संबंधित प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
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.
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?
Answer the following (only in few words);
What is the relationship between transpiration water and water absorbed from the soil?
Name the three external factors which increase the rate of transpiration.
Name three extrinsic factors which decrease the rate of transpiration.
