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प्रश्न
The loss of water as water vapour from the acrial parts of a plant is known as
पर्याय
evaporation
perspiration
guttation
transpiration
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उत्तर
transpiration
संबंधित प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
Give suitable explanation for the following:
Water transpired is the water absorbed.
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
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?
Expand the following biological abbreviations :
(i) ABA
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.
What is cohesion?
