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प्रश्न
What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
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उत्तर
Wilting refers to the loss of cellular turgidity in plants which results in the drooping of leaves or plant as a whole because of lack of water.
During noon the rate of transpiration exceeds the rate of absorption of water by roots. Due to the excessive transpiration, the cells of leaves lose their turgidity and wilt.
संबंधित प्रश्न
Most of the transpiration in tall trees occurs through
Transpiration is best defined as
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
Choose the correct answer from the four options given below :
Which one of the following does not affect the rate of transpiration ?
Expand the following biological abbreviations :
IAA
Describe any three conditions which affect transpiration.
“A higher rate of transpiration is recorded on a windy day rather than on a calm day.” Explain.
Name three extrinsic factors which decrease the rate of transpiration.
