Virology MCQs (Quiz 1) Posted on June 20, 2026Author agropublishers 0 1. _____________ are viruses that infect bacteria Viroids Retroviruses Mycoviruses Bacteriophages 2. Virology is a branch of _________________ Zoology Ecology Botany Microbiology 3. The first successful vaccine was developed against ____________ Polio Smallpox Tuberculosis HIV 4. Virology is the branch of science that studies _____________ Algae Bacteria Viruses Fungi 5. Viruses are classified as _______________ Multicellular Acellular Eukaryotic Prokaryotic 6. The term “virus” originates from a Latin word vīrus meaning ________________ Poison Epidemic Disease Infection 7. Viruses became visible after the invention of the _______________ Electron microscope Fluorescence microscope Compound microscope Light microscope 8. Scientist _____________________ concluded that viruses multiply only within the living cells Robert Koch Lois Pasteur Martinus Beijerinck Frederick William Twort 9. Viruses are generally measured in ___________ Nanometers Centimeters Micrometers Millimeters 10. ______________________ was the first human virus identified HIV Hepatitis B virus Rabies virus Yellow Fever Virus Loading … Question 1 of 10
