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प्रश्न
Given below is the diagram of an apparatus used to study a particular phenomenon in plants:
What happens to the movement of the air-bubble if the apparatus is kept:
(i) In the dark
(ii) In sunlight
(iii) In front of a fan
Give a reason in each case.
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उत्तर
(i) If the apparatus is kept in the dark, there will be no transpiration as the stomata would be closed. As a result, there would be no movement of the air bubble and it would remain stable.
(ii) If the apparatus is kept in bright sunlight, the rate of transpiration will be more. As a result, the movement of the air bubble would be larger since there would be more loss of water due to transpiration.
(iii) If the apparatus is kept in front of a fan, the rate of transpiration will be more. As a result, the movement of the air bubble would be larger since there would be more loss of water due to transpiration as the velocity of wind/air increases.
संबंधित प्रश्न
Name the following:
The apparatus to record the rate of transpiration in a cut shoot.
What is a photometer?
What is lenticular transpiration? Mention one major difference between lenticular transpiration and stomatal transpiration.
Droplets of water may sometimes be seen along the margins of the leaves of a banana plant, growing in wet soil, in the mornings. Are these dew drops? Comment upon your answer.
Given below is the diagram of an apparatus used to study a particular phenomenon in plants:
What is it used for?
Given below is the diagram of an apparatus used to study a particular phenomenon in plants:
What is the role played by the air-bubble in this experiment?
Given below is the diagram of an apparatus used to study a particular phenomenon in plants:
What is the use of the reservoir?
Write any two limitations of using a Ganong's potometer to demonstrate the uptake of water.
The apparatus used to measure the rate of transpiration is ______.
Define the following term:
Potometer
