O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2014 · Q261 Mark

Which statement about penicillin is correct?

APenicillium bacteria can secrete substances that inhibit the growth of some fungi.

BPenicillium fungus secretions can be used to treat some virus infections.

CThe antibiotic penicillin is a waste product of some bacteria.

DThe fungus Penicillium produces a substance that can inhibit some bacteria.

✓ Correct answer

D: The fungus Penicillium produces a substance that can inhibit some bacteria.

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2014 Paper 1 Variant 1, question 26.

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