Biology · Plant Physiology
Two identical potted plants, A and B, are kept in the same environmental conditions. Plant A has a large total leaf surface area, while Plant B has a smaller leaf surface area due to pruning. Which of the following is the correct prediction regarding their total transpiration rates?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Plant B transpires more due to increased root pressure relative to shoot surface area
- 2Both plants transpire equally because the transpiration rate per stoma is identical
- 3Plant B transpires more because pruning stimulates remaining stomata to open wider
- 4Plant A transpires more because its total number of stomata and evaporating surface area are greater✓
Correct answer
Plant A transpires more because its total number of stomata and evaporating surface area are greater
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