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प्रश्न
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उत्तर
Transpiration increases the rate of water absorption because it causes the concentration of sap to rise. In this condition cells absorb water from their neighbours, leaf, stem and root which creates transpirational pull which finally helps in the absorption of water.
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संबंधित प्रश्न
One of the internal factors which affect the rate of transpiration is
The loss of water as water vapour from the acrial parts of a plant is known as
(a) State whether the following statement are True (T) or False (F)
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Wind velocity has an effect on transpiration.
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
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
Give Technical Term
The substances which check the rate of transpiration.
Name the three external factors which increase the rate of transpiration.
