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Question
Define the following term:
Potometer
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Solution
A potometer is a device that measures the rate of water intake by a plant and this water intake is almost equal to the water lost through transpiration.
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RELATED QUESTIONS
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Potometer is an instrument used for Demonstration of transpiration occurring from the lower surface of a leaf.
What is lenticular transpiration? Mention one major difference between lenticular transpiration and stomatal transpiration.
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?
The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl2 vials were taken out and weighed again.
What is the purpose of keeping CaCl2 vials inside the cup?
The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl2 vials were taken out and weighed again.
After few hours CaCl2 vials were taken out and weighed again. Will you expect any difference in weight? If so, give reason.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Potometer is an instrument, used for measuring the rate of transpiration
The apparatus used to measure the rate of transpiration is ______.
Name four kinds of potometers on the basis of the names of the scientists who discovered them.
