Ganong's potometer is used to measure

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(C) Ganong's potometer is a laboratory apparatus specifically designed to measure the rate of transpiration in a cut shoot. It works on the principle

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Transpiration

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(C) Ganong's potometer is a laboratory apparatus specifically designed to measure the rate of transpiration in a cut shoot. It works on the principle that the amount of water absorbed by the plant shoot is approximately equal to the amount of water lost through transpiration. As the plant loses water through its leaves,it creates a suction pressure that pulls water from the potometer,causing the air bubble in the capillary tube to move,which allows for the calculation of the rate of water loss.

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