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प्रश्न
List any four advantages of transpiration to the plant.
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उत्तर
- Transpiration brings about a cooling effect to the plant body since evaporation of water reduces the temperature of leaf surface.
- Transpiration helps in the ascent of sap by producing a suction force acting from the top of the plant.
- Transpiration helps in distributing water and mineral salts throughout the plant body.
- Transpiration helps in eliminating excess water.
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संबंधित प्रश्न
With decrease in atmospheric pressure, the rate of transpiration will
Transpiration is best defined as
Give suitable explanation for the following:
A higher rate of transpiration is recorded on a windy day rather than on a calm day.
What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so?
List any three major factors that accelerate the rate of transpiration.
Mention any three methods by which the plants tend to reduce transpiration.
Answer the following (only in few words);
What is the relationship between transpiration water and water absorbed from the soil?
Explain how the rate of transpiration is affected on:
a foggy day
Briefly explain how the rate of transpiration is affected by:
The humidity of the atmosphere.
Name the three external factors which increase the rate of transpiration.
