BI-2030
Factors affecting transpiration
Biology · Secondary 4 · Medium · Factors affecting transpiration
A student investigates the effect of wind on transpiration using a potometer. With no fan, the bubble moves 10 mm in 10 minutes. With a fan blowing on the leaves, the bubble moves 25 mm in 10 minutes. By what factor has the rate of transpiration changed?
- 2.5 times higher
- 1.5 times higher
- 2.0 times higher
- 3.5 times higher
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