O-LevelBiologyEcology & Environment5090/12 · Oct/Nov 2018 · Q271 Mark
Some stages in the production of yoghurt are listed. 1 liquid cooled rapidly 2 liquid kept at 40-45 °C for 3 hours 3 culture of bacteria added to liquid 4 liquid pasteurised In which order do these stages occur?
A1→2→3→4
B2→1→4→3
C3→4→1→2
D4→3→2→1
✓ Correct answer
D: 4→3→2→1
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