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ZIMSEC O-Level Combined Science

7.1.7Health and diseases

Health and diseases in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic246 practice questions12 lessons

Overview

Forms 1 to 4.

In this topic

Lessons

  • Health, hygiene and the spread of disease

    25 min

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  • Pathogens, transmission and disease control

    20 min

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  • Waste disposal, reuse and recycling

    35 min

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  • Bilharzia (schistosomiasis)

    18 min

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  • Cholera

    19 min

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  • Ebola virus disease, and comparing four diseases

    20 min

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  • Immunity and vaccination

    24 min

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  • Malaria

    20 min

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  • Tuberculosis and typhoid

    21 min

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  • Sexually transmitted infections and HIV/AIDS

    20 min

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  • Drug misuse

    19 min

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  • Smoking and health

    17 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Health and diseases: sample question

1 mark

Name the animal in which bilharzia larvae multiply before they are released into the water.

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