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प्रश्न
Define the following term:
Transpiration
Define transpiration.
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उत्तर
Loss of water vapour through the stomatal openings of the leaves of a plant is termed as transpiration.
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संबंधित प्रश्न
Given below is a diagrammatic sketch (surface view) of a stomatal apparatus from a dicot leaf.
(a) Label the parts numbers 1-3
(b) Is this state, open or closed?
(c) Is this stoma, of a dicot leaf or a monocot leaf?
(d) Redraw a sketch of the stomatal apparatus in the state opposite to the one shown here.
- The diagram given alongside is an apparatus used to study a particular phenomenon in plants.
- Name the apparatus.
- What is it used for?
- What is the role played by the air bubble in this experiment?
- Of what use is the reservoir?
- What happens to the movement of the air-bubble if the apparatus is kept
- in dark,
- in sunlight,
- in front of fan?
Give a reason in each case.
What governs the opening and closing of stomata?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Moist cobalt chloride paper is blue in colour.
Guard cells are responsible for the opening and closing of stomata.
Write a note on Transpiration.
Which one is not related to transpiration?
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
Enlist different advantages of transpiration.
Which of the following is an external factor affecting the rate of transpiration?
