A-LevelBiologyTransport in plants9700/12 · May/June 2025 · Q261 Mark
Which row is correct for transpiration?
Adefinition of transpiration: evaporation of water from leaf surfaces, comparison of water potential: higher inside air spaces in the leaf than the air outside
Bdefinition of transpiration: evaporation of water from leaf surfaces, comparison of water potential: lower inside air spaces in the leaf than the air outside
Cdefinition of transpiration: loss of water vapour from leaves, comparison of water potential: lower inside air spaces in the leaf than the air outside
Ddefinition of transpiration: loss of water vapour from leaves, comparison of water potential: higher inside air spaces in the leaf than the air outside
✓ Correct answer
D: definition of transpiration: loss of water vapour from leaves, comparison of water potential: higher inside air spaces in the leaf than the air outside
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