A potometer is a piece of apparatus designed to measure water uptake in a leafy shoot. There are 2 types of potometer – the bubble potometer and the weight potometer. The distance the air bubble moves ...
Performance on a multiple-choice item in a public examination indicates that most students do not understand the principle of the bubble potometer and its limitations in measuring transpiration rate.
Use a potometer (bubble and weight potometer) to investigate the factors affecting the rate of water uptake by a plant.
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