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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
Transpiration is best defined as
List any three major factors that accelerate the rate of transpiration.
Answer the following (only in few words);
What is the impact of more atmospheric pressure on transpiration?
Explain how the rate of transpiration is affected on:
a foggy day
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
What is cohesion?
How does the rate of Transpiration differ when there is High humidity?
Name the three external factors which increase the rate of transpiration.
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Atmospheric humidity promotes transpiration from a green plant.
