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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
The loss of water as water vapour from the acrial parts of a plant is known as
Transpiration is best defined as
Give suitable explanation for the following:
Excessive transpiration results in the wilting of the leaves.
Give suitable explanation for the following:
More transpiration occurs from the lower surface of a dorsiventral leaf.
There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically?
Choose the correct answer from the four options given below :
Which one of the following does not affect the rate of transpiration ?
Answer the following (only in few words);
What is the effect of temperature on transpiration?
Choose the correct answer:
Rate of transpiration is more, when __________
Describe any three conditions which affect transpiration.
How does the rate of Transpiration differ when there is High temperature?
