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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
The loss of water in the form of water vapour through stomata on leaves is known as ___________.
Transpiration is the loss of water as water ______ from the ______ parts of the plant.
Give suitable explanation for the following:
Cork and bark of trees help in preventing loss of water
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.
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in sunlight.
Name the following.
The tissue which conducts water absorbed by the roots to the upper parts of a herbaceous plant.
The percentage of cuticular transpiration in plants is approximately ______.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Suggest a suitable control for this experiment.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Mention two ways in which this process is beneficial to plants.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Calcium chloride paper is used to demonstrate transpiration
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.
Stomata of a plant open due to ______.
Boojho’s uncle was hospitalised and put on dialysis after a severe infection in both of his kidneys.
When does it become necessary to take such a treatment?
Why is transpiration considered as a necessary evil?
Entry of water into root hair is the demonstration of which of the following process?
Excessive transpiration is due to ______.
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.
Briefly describe the following:
Angina Pectoris
Which of the following is an external factor affecting the rate of transpiration?
