These multiple-choice questions or MCQs on virology test your knowledge and understanding of the structure of viruses (shape, size, chemical components) and classification of viruses. These questions are very basic to check your understanding of basic virology. Answers to these questions are given at the end of this blog post.
- **Virusesrange in size from:**a.1-100 nmb. 25-300 nmc. 10-100 μmd.400-1000 nme. 1-10 μm
- **A structural component that is found in all viruses is:**a.The envelopeb. DNAc. Capsidd. Tail fiberse. Spikes
- A chemical component that is found in all viruses is:a.Proteinb. Lipidc. DNAd. RNAe. Glycoproteins
- **A common polyhedral capsid shape of viruses is a :**a.Pentagonb. Cubec. Icosahedrond. Pyramide. Sphere
- **Enteroviruses differ from rhinoviruses mainly in their:**a.Type of nucleic acidb. Sizec. Capsid shaped. Ability to survive acidic conditionse. Â Strandedness
- Viruses that can remain latent (usually in neurons) for many years are most likely:a.Togavirusesb. Herpesvirusesc. Enterovirusesd. Rhinovirusese. Retroviruses
- **What types of viruses contain the enzyme lysozyme to aid in their infection?**a.Bacteriophageb. Animal Virusesc. Plant Virusesd. Fungal Virusese. Human Viruses
- **The process of readily counting Bacteriophages is called:**a.Immunoassaysb. ELISAc. Plaque assaysd. Tissue cell culturee. Electron Microscopy
- A type of cell culture that can reproduce for an extended number of generations and is used to support viral replication is a :a. Primary cell cultureb. Continuous cell linec. Cell straind. Diploid fibroblast celle. Connective tissue
- Which of the following is not an RNA virus?a.Retrovirusb. Enterovirusc. Rhabadovirusd. Adenoviruse. Rubellavirus
Answers
- b (25-300 nm)
- c (Capsid)
- a (Protein)
- c (Icosahedron)
- d (Ability to survive acidic conditions)
- b (Herpes viruses)
- a (Bacteriophage)
- c (plaque assays)
- b (Continuous cell line)
- d (Adenovirus)