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