A-LevelBiologyInfectious diseases9700/12 · Feb/Mar 2022 · Q51 Mark

Which statements about viruses are correct? 1 They contain DNA or RNA. 2 They use host cells to synthesise virus proteins. 3 They can have a protective coat of peptidoglycan.

A1, 2 and 3

B1 and 2 only

C1 and 3 only

D2 and 3 only

✓ Correct answer

B: 1 and 2 only

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Topic: Infectious diseases, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Feb/Mar 2022 Paper 1 Variant 2, question 5.

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