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प्रश्न
Explain the term:
Transpiration
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उत्तर
- Transpiration is the process by which plants lose water vapor from their aerial parts, mainly through the stomata in the leaves.
- It mostly occurs during the day when stomata are open for gas exchange.
- This water loss occurs as water vapor into the atmosphere.
- Transpiration helps in the ascent of sap by creating a transpiration pull.
- It also helps in cooling the plant and maintaining water balance.
- Transpiration occurs through three main sites - cuticle, stomata, and lenticels.
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संबंधित प्रश्न
What causes the opening and closing of guard cells of stomata during transpiration?
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in the correct form by changing either the first or the last word only.
Most transpiration occurs at midnight.
Give suitable explanation for the following:
Perspiration and transpiration help to cool the body temperature of the organism.
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in sunlight.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of putting oil in the test tube?
Stomata of a plant open due to ______.
Analogy:
Photosynthesis: ______:: Transpiration: Stomata
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The radio labelled carbon in carbon dioxide supplied to potato plants in an experiment was seen in the tuber eventually. Trace the movement of the labelled carbon dioxide.
Define the term Vital capacity.
