मराठी

Name the following: The apparatus to record the rate of transpiration in a cut shoot. - Biology

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प्रश्न

Name the following:

The apparatus to record the rate of transpiration in a cut shoot. 

एक शब्द/वाक्यांश उत्तर
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उत्तर

Ganong's photometer

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Measurement of Transpiration > Weighing Method
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संबंधित प्रश्‍न

Name the following:

An instrument used to find the rate of transpiration.


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 the use of the reservoir?


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.


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, CaCl 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. 


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.


Define the following term:

Potometer


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