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प्रश्न
Expand the following biological abbreviations :
(i) ABA
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उत्तर
Abscissic Acid
APPEARS IN
संबंधित प्रश्न
The rate of transpiration is more when
The loss of water as water vapour from the acrial parts of a plant is known as
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
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);
How does transpiration take place in night?
Answer the following (only in few words);
What is the relationship between transpiration water and water absorbed from the soil?
Choose the correct answer:
Transpiration rate is low ____________
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
(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.
