O-LevelBiologyEcology & Environment5090/11 · May/June 2022 · Q291 Mark

The graph shows the mass of Penicillium grown in a fermenter and the mass of antibiotic produced. [Figure 29.1] When is the Penicillium producing antibiotic most rapidly?

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Aday 1

Bday 3

Cday 5

Dday 8

✓ Correct answer

C: day 5

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2022 Paper 1 Variant 1, question 29.

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