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