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Question
Name the three external factors which increase the rate of transpiration.
Solution
Increase in intensity of Sunlight, Low humidity and increase in velocity of wind.
RELATED QUESTIONS
(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:
Water transpired is the water absorbed.
There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically?
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?
Answer the following (only in few words);
What is the relationship between transpiration water and water absorbed from the soil?
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
Name the following:
Season in which the transpiration rate is the highest.
What is cohesion?
