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प्रश्न
Expand the following biological abbreviations :
(i) ABA
उत्तर
Abscissic Acid
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संबंधित प्रश्न
The rate of transpiration is more when
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically?
Mention any three methods by which the plants tend to reduce 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?
Answer the following (only in few words);
What is the effect of temperature on transpiration?
Choose the correct answer:
Transpiration rate is high, when ___________
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
Give a reason/suitable explanation.
Transpiration increases with the velocity of the wind.
