Advertisements
Advertisements
प्रश्न
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
उत्तर
When the rate of transpiration far exceeds the rate of absorption of water by roots, the cells lose their turgidity. Hence, excessive transpiration results in wilting of the leaves.
APPEARS IN
संबंधित प्रश्न
Transpiration will be fastest when the day is
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?
Choose the correct answer from the four options given below :
Which one of the following does not affect the rate of transpiration ?
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);
What is the impact of more atmospheric pressure on transpiration?
Answer the following (only in few words);
What is the relationship between transpiration water and water absorbed from the soil?
Describe any three conditions which affect transpiration.
Give Technical Term
The substances which check the rate of transpiration.
Name three extrinsic factors which decrease the rate of transpiration.
