Multiple choice

Which of the following viruses contains double-stranded RNA?

  1. Reoviridae

  2. Picornaviruses

  3. Togaviruses

  4. Coronaviruses

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A Correct answer
Explanation

Reoviridae is the only virus family listed that contains double-stranded RNA as its genetic material. The name 'Reovirus' actually stands for Respiratory Enteric Orphan virus. Picornaviruses, Togaviruses, and Coronaviruses all contain single-stranded RNA genomes.