Virology MCQs (Quiz 7) Posted on July 12, 2026Author agropublishers 0 1. _________________ is an example of a positive-sense RNA virus Poliovirus Influenza virus Rabies virus Measles virus 2. Which virus is correctly paired with its natural reservoir? Rabies virus — Fish Influenza virus — Camels Poliovirus — Birds Nipah virus — Fruit bats 3. Before occurrence of protein synthesis, negative-sense (–) RNA viruses require enzyme _________________________________________ DNA polymerase RNA-dependent RNA polymerase Helicase Reverse transcriptase 4. A segmented viral genome is one in which _________________________ Genome is enclosed in multiple capsids Genome is circular Genetic material is divided into two or more separate nucleic acid segments Genome contains both DNA and RNA 5. Which virus is correctly paired with the enzyme carried in the virion? Adenovirus — Integrase Parvovirus — RNA-dependent RNA polymerase Poliovirus — Reverse transcriptase Rabies virus — RNA-dependent RNA polymerase 6. Which virus is correctly paired with its oncogenic potential? Rabies virus — Burkitt lymphoma Rotavirus — Liver cancer Influenza virus — Cervical carcinoma Human papillomavirus — Cervical carcinoma 7. Why are viruses unable to reproduce in dead tissues? Dead tissues do not provide active cellular machinery for viral replication Dead tissues are too dry Dead tissues contain toxic compounds Dead tissues lack oxygen 8. ________________________ virus belongs to the double-stranded RNA (dsRNA) virus family HIV Poliovirus Rotavirus Herpes simplex virus 9. The complete infectious virus particle is called ________________ Nucleocapsid Capsid Virion Capsomere 10. Double-stranded RNA viruses possess ______________________________ Two identical RNA strands Both positive-sense and complementary negative-sense RNA strands DNA and RNA together Only messenger RNA Loading … Question 1 of 10
