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O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2012 · Q361 Mark

How do condoms reduce the risk of HIV infection?

AThey prevent sperm from entering the vagina
BThey prevent virus particles crossing the placenta
CThey prevent the formation of seminal fluid
DThey prevent seminal fluid from coming into contact with the vagina wall

✓ Correct answer

D: They prevent seminal fluid from coming into contact with the vagina wall

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About this question

Topic
Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, Oct/Nov 2012 Paper 1 Variant 1, question 36.

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