What help does air bubble do in ganongs potometer?
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Potometer is a apparatus used for measuring the rate of water uptake of a leafy shoot. The causes of water uptake are photosynthesis and transpiration. Potometers are often difficult to set up, as measurement-altering air bubbles in the xylem of the plant or in the apparatus must be eliminated.
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How can transpiration be measured by weighing?
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Weighing method is used for measurement of transpiration. A small lightweight potted plant can be weighed before and after the end of a certain period of time. ... The loss in weight by the plant during that time is due to the loss of water by transpiration.
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