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प्रश्न
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?

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उत्तर
(i) Potometer
(ii) Potometer is used to measure the rate of transpiration.
(iii) The rate of movement of the air bubble will indicate the rate of transpiration.
(iv) The reservoir is used to provide water to the potometer.
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संबंधित प्रश्न
The loss of water in the form of water vapour through stomata on leaves is known as ___________.
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration cools the plant when it is hot outside.
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
Define the term:
Guttation
Complete the following by choosing the proper option.
Stomata : Transpiration :: Hydathode : ____________.
Entry of water into root hair is the demonstration of which of the following process?
Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.
Name the structures through which Transpiration occur in a plant.
Which of the following is an external factor affecting the rate of transpiration?
