O-LevelBiologyEcology & Environment5090/11 · May/June 2021 · Q271 Mark

Bacteria are involved in the manufacture of which product?

Aalcohol

Bbread

Cyoghurt

Dpenicillin

✓ Correct answer

C: yoghurt

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2021 Paper 1 Variant 1, question 27.

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