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