Virology MCQs (Quiz 2) Posted on July 10, 2026Author agropublishers 0 1. The Baltimore classification groups viruses according to ______________________ Disease produced Mechanism of mRNA synthesis Host range Capsid symmetry 2. Viroids differ from viruses because they ___________________________ Replicate independently Possess a lipid envelope Contain DNA only Consist solely of small circular RNA without a protein coat 3. __________________ is the primary genetic material in viruses Either DNA or RNA Proteins Primarily RNA Primarily DNA 4. Which virus possesses a segmented negative-sense RNA genome? Coronavirus Poliovirus Rabies virus Influenza A virus 5. ________________________ carries its own RNA-dependent RNA polymerase inside the virion Poliovirus Coronavirus Parvovirus Rabies virus 6. Viruses are generally visible only with the help you ___________ microscope Compound light Electron Fluorescence Phase-contrast 7. Tobacco Mosaic Disease played a key role in the discovery of _________________ Algae Viruses Fungi Bacteria 8. Enzyme _________________ is essential for replication of retroviruses DNA gyrase DNA ligase Reverse transcriptase RNA polymerase II 9. Which virus establishes lifelong latency in sensory ganglia? Rotavirus Herpes simplex virus Poliovirus Influenza virus 10. Small DNA viruses generally replicate their genomes using _____________ Host-cell DNA polymerase Host RNA polymerase Viral RNA polymerase Reverse transcriptase Loading … Question 1 of 10
