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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
Most of the transpiration in tall trees occurs through
Answer the following (only in few words);
What is the impact of more atmospheric pressure on transpiration?
Mark the most appropriate answer in the following:
If the rate of transpiration becomes more than the rate of photosynthesis, plant will ______
Choose the correct answer:
Transpiration rate is high, when ___________
Briefly explain how the rate of transpiration is affected by:
The intensity of light.
Name the following:
Season in which the transpiration rate is the highest.
Give Technical Term
The substances which check the rate of transpiration.
How does the rate of Transpiration differ when there is High temperature?
(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.
