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प्रश्न
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?
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उत्तर
The movement of the air bubble and its position in the capillary tube indicates the volume of water lost through transpiration in a given time.
संबंधित प्रश्न
Name the following:
An instrument used to find the rate of transpiration.
Name the following:
The apparatus to record the rate of transpiration in a cut shoot.
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 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?
Write any two limitations of using a Ganong's potometer to demonstrate the uptake of water.
Match the terms given in column A with column B:
| Column A | Column B | ||
| (a) | Hydathodes | (i) | Photosynthesis |
| (b) | Stomata | (ii) | Respiration |
| (c) | Cuticle | (iii) | Regulates opening and closing of stomata |
| (d) | Lenticels | (iv) | Reduces loss of water |
| (e) | Guard cells | (v) | Guttation |
Name four kinds of potometers on the basis of the names of the scientists who discovered them.
