Advertisements
Advertisements
प्रश्न
Answer the following (only in few words);
How does transpiration take place in night?
Advertisements
उत्तर
Rate of transpiration slows down at night because photosynthesis does not take place and the stomata remains closed.
APPEARS IN
संबंधित प्रश्न
The rate of transpiration is more when
Most of the transpiration in tall trees occurs through
What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
List any three major factors that accelerate the rate of 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?
Choose the correct answer:
The rate of transpiration is determined with the following instrument ____________
“A higher rate of transpiration is recorded on a windy day rather than on a calm day.” Explain.
Give a reason/suitable explanation.
Transpiration increases with the velocity of the wind.
(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.
