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