O-LevelBiologyTransport in Plants5090/11 · May/June 2010 · Q121 Mark

Five similar plants are placed in test-tubes as shown. Some of the plants have their leaves coated with grease to reduce transpiration. Each plant is weighed in its test-tube at the start of the experiment and again two days later. The results are shown in the table. Which plants had their leaves coated with grease? [Figure 12.1]

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A1 and 2

B1 and 4

C2 and 5

D2, 3 and 5

✓ Correct answer

B: 1 and 4

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Topic: Transport in Plants, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2010 Paper 1 Variant 1, question 12.

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