Virology MCQs (Quiz 5) Posted on July 12, 2026Author agropublishers 0 1. Viruses are described as obligate intracellular parasites because they __________________ Require living host cells for replication Can reproduce independently outside the host Obtain energy from dead organic matter Grow on artificial media without a host 2. Among the viral components, _____________ is primarily responsible for inducing antibody production Nucleic acid Capsid proteins Lipid envelope only Water 3. Outside a living host cell, viruses are generally ______________________ Photosynthetically active Rapidly multiplying Metabolically inert Able to divide by binary fission 4. Which virus is correctly paired with its helper virus? Hepatitis C virus — Hepatitis B virus Hepatitis D virus — Hepatitis B virus HIV — Hepatitis B virus Hepatitis A virus — Hepatitis C virus 5. Which virus is correctly paired with its morphology? Poliovirus — Complex Rabies virus — Icosahedral Coronavirus — Bullet-shaped Rabies virus — Bullet-shaped 6. The lipid envelope of enveloped viruses is primarily derived from the ___________ Viral genome Viral capsid Host cell membrane Host nucleus 7. Which of the following viruses generally lacks a lipid envelope? Tobacco mosaic virus Influenza virus Herpes simplex virus HIV 8. Which vaccine is correctly paired with its vaccine platform? Pfizer–BioNTech COVID-19 vaccine — Messenger RNA (mRNA) vaccine Bacillus Calmette–Guérin (BCG) vaccine — Viral vector vaccine Oral Polio Vaccine (OPV) — Inactivated whole-virus vaccine Rabies vaccine — Live attenuated viral vaccine 9. The primary function of the viral capsid is to ____________ Protect the viral nucleic acid Synthesize proteins Produce ATP Carry out photosynthesis 10. Which virus is correctly paired with its receptor? Rabies virus — CD21 HIV — ACE2 Influenza virus — CD4 SARS-CoV-2 — ACE2 Loading … Question 1 of 10
