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