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प्रश्न
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
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उत्तर
There are more stomatal openings on the lower surface of a dorsiventral leaf. More the number of stomata, higher is the rate of transpiration. Hence more transpiration occurs from the lower surface.
संबंधित प्रश्न
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
Give suitable explanation for the following:
Water transpired is the water absorbed.
List any three major factors that accelerate the rate of 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?
Explain how the rate of transpiration is affected on:
a foggy day
Mark the most appropriate answer in the following:
If the rate of transpiration becomes more than the rate of photosynthesis, plant will ______
Choose the correct answer:
Transpiration rate is low ____________
“A higher rate of transpiration is recorded on a windy day rather than on a calm day.” Explain.
