O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2021 · Q361 Mark

Infection with HIV can result in death from AIDS. The graph shows AIDS-related deaths from 1990 to 2015 in a country. [Figure 36] What is the best explanation for the trend in the number of AIDS-related deaths after 2005?

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AMore HIV-infected individuals were using natural methods of birth control.

BMore HIV-infected men were using spermicides for birth control.

CMore HIV-infected mothers were breastfeeding their babies.

DThere was better education about HIV infection.

✓ Correct answer

D: There was better education about HIV infection.

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 1, question 36.

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