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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
Name the process by which water loss takes place through the leaves.
Why is there a need for a transport system in plants and animals?
The diagram given alongside is an apparatus used to study a particular phenomenon in plants.
(i) Name the apparatus.
(ii) What is it used for?
(iii) What is the role played by the air bubble in this experiment?
(iv) Of what use is the reservoir?
Stomata of a plant open due to ______.
______ involves evaporative loss of water from aerial parts.
The lower surface of leaf will have more number of stomata in a ______.
Describe briefly the three physical properties of water which helps in ascent of water in xylem.
How can plants be grown under limited water supply without compromising on metabolic activities?
Observe the following diagram and identify the process and its significance from the following options:
Transpiration occurs:
