Virology MCQs (Quiz 9) Posted on July 13, 2026Author agropublishers 0 1. ______________________ viral genome is complementary to messenger RNA Single-stranded DNA Positive-sense RNA Negative-sense RNA Double-stranded DNA 2. The discovery of Rous sarcoma virus demonstrated that ____________________ Viruses can cause cancer Bacteria cause tumors Cancer is inherited Viruses CANNOT cause cancer 3. __________________ serves as the body’s immediate, non-specific first line of defense against viral infection Adaptive immunity Humoral immunity Innate immunity Artificial immunity 4. Microbiologist _________________ is regarded as the “Father of Bacteriophages” Robert Koch Louis Pasteur Martinus Beijerinck Félix d’Hérelle 5. ___________________is the technique used to determine the complete genetic sequence of a virus for tracking mutations and variants Serological testing Bacterial colony counting Next-generation sequencing (NGS) Electron microscopy alone 6. Rapid antigen tests are primarily based on _________________ Lateral Flow Immunochromatography (LFIA) Complement fixation Polymerase Chain Reaction (PCR) Plaque formation 7. Which virus caused the first recognized Severe Acute Respiratory Syndrome (SARS) outbreak? MERS-CoV SARS-CoV SARS-CoV-2 Influenza A virus 8. ____________________ possesses a segmented genome Influenza virus Poliovirus Rabies virus Tobacco mosaic virus 9. Scientist _________________ developed the concept and discovered the enzyme responsible for reverse transcription Edward Jenner Max Theiler Robert Koch Howard Temin 10. During the COVID-19 pandemic, ________________ was the most widely used laboratory diagnostic method Reverse Transcription Polymerase Chain Reaction (Real-time RT-PCR) Gram staining Virus isolation Enzyme-Linked Immunosorbent Assay (ELISA) Loading … Question 1 of 10