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The loss of water as water vapour from the acrial parts of a plant is known as
List the four advantages of transpiration to the plants.
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.
Choose the correct answer:
Transpiration rate is high, when ___________
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
What is cohesion?
How does the rate of Transpiration differ when there is High temperature?
