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Question
Name three extrinsic factors which decrease the rate of transpiration.
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Solution
Humidity, Carbon dioxide and Decrease in atmospheric pressure, Shedding of leaves.
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What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
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(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.
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(ii) which leaf would show least limping? Why?
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IAA
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a windy day
Choose the correct answer:
The rate of transpiration is determined with the following instrument ____________
Name the three external factors which increase the rate of transpiration.
