O-LevelBiologyTransport in Plants5090/12 · May/June 2015 · Q121 Mark

In an experiment to investigate transpiration, the leaves of four identical shoots are treated as follows. 1 upper surfaces covered with waterproof jelly 2 lower surfaces covered with waterproof jelly 3 upper and lower surfaces covered with waterproof jelly 4 untreated The graph shows the water lost by the four shoots. [Diagram] Which line shows the result for shoot 4?

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✓ Correct answer

A: A

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2015 Paper 1 Variant 2, question 12.

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