Advertisements
Advertisements
प्रश्न
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
Advertisements
उत्तर
The humidity of the atmosphere: If the air outside is humid the rate of transpiration is reduced since the outward diffusion of internal water vapour is affected.
APPEARS IN
संबंधित प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
Transpiration will be fastest when the day is
Most of the transpiration in tall trees occurs through
(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.
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
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?
Mark the most appropriate answer in the following:
If the rate of transpiration becomes more than the rate of photosynthesis, plant will ______
Name three extrinsic factors which decrease the rate of transpiration.
