A-LevelBiologyTransport in plantsOct/Nov 2018Paper 5 Q115 Marks
Transpiration in plants can be investigated using a potometer, which measures water uptake by plants. Fig. 1.1 shows a potometer that was used by a student. [Figure 1.1] As water is lost by the leaves through transpiration, the air bubble moves along the graduated tube. The student used this apparatus to investigate the effect of light intensity on the rate of transpiration in plants.
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