O-LevelBiologyEcology & Environment5090/11 · May/June 2022 · Q311 Mark

Malaria is spread by the ......1...... which acts as a ......2...... for the disease. Which terms correctly complete the sentence?

Abacterium, parasite

Bbacterium, vector

Cmosquito, parasite

Dmosquito, vector

✓ Correct answer

D: mosquito, vector

Oracle Prep sorts past-paper questions by topic, so you can drill Ecology & Environment and see which topics are most likely to come up next.

Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2022 Paper 1 Variant 1, question 31.

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