Virology QuizWelcome to the Virology Quiz section of LearnMicrobiology.com! These engaging MCQs are designed to help you test and enhance your understanding of viruses, including their structure, replication, classification, pathogenesis, and the diseases they cause. From basic concepts to advanced virology topics, our quizzes are ideal for students, educators, and exam aspirants looking to strengthen their microbiology knowledge. Challenge yourself and track your progress as you explore the microscopic world of viruses. NameEmail 1 / 30Which of the following viruses is transmitted by mosquitoes? Dengue virus Rabies virus Hepatitis B Epstein-Barr virus 2 / 30Which virus is associated with oncogenesis (cancer formation)? Rhinovirus Epstein-Barr virus Adenovirus Norovirus 3 / 30Which of the following is a slow virus disease? Polio Dengue fever Rabies Subacute sclerosing panencephalitis (SSPE) 4 / 30Which viral structure is responsible for host cell attachment? Matrix proteins Envelope Capsid Spike proteins 5 / 30Hepatitis D virus requires which other virus to replicate? None of the above Hepatitis A Hepatitis B Hepatitis C 6 / 30Which virus uses RNA-dependent RNA polymerase for replication? Influenza virus Adenovirus Herpesvirus Retrovirus 7 / 30The capsid of a virus is made up of: Polysaccharides Proteins Nucleic acids Lipids 8 / 30Which enzyme is used by retroviruses to replicate? DNA polymerase Reverse transcriptase Ligase RNA polymerase 9 / 30Which virus is responsible for warts? Hepatitis A virus Herpes simplex virus Human papillomavirus (HPV) Cytomegalovirus 10 / 30Viruses are considered: Autotrophic organisms Prokaryotic cells Non-living outside the host Eukaryotic cells 11 / 30Influenza virus is classified as: Enveloped, ssRNA virus Non-enveloped, ssRNA virus Enveloped, dsRNA virus Non-enveloped, dsDNA virus 12 / 30Which assay is used to count the number of infectious virus particles? PCR ELISA Plaque assay Hemagglutination assay 13 / 30Which diagnostic test is widely used to detect viral RNA? ELISA RT-PCR Gram stain Western blot 14 / 30What is the genome type of coronaviruses (like SARS-CoV-2)? dsDNA ssDNA dsRNA +ssRNA 15 / 30Which virus causes AIDS? HIV HSV HCV HPV 16 / 30What is a virus composed of? DNA or RNA and a protein coat Cells and cytoplasm Nucleus and mitochondria Ribosomes and mRNA 17 / 30Which virus has segmented RNA genome? Influenza virus HIV Herpes simplex virus Adenovirus 18 / 30Which hepatitis virus is transmitted via the fecal-oral route? Hepatitis A Hepatitis B Hepatitis C Hepatitis D 19 / 30In viral replication, the eclipse period refers to: Incubation period in the body Time of attachment to host cell Period when virus exits the host Time between entry and appearance of new virions 20 / 30Which of the following is a double-stranded RNA virus? Poliovirus Rabies virus Adenovirus Rotavirus 21 / 30Which of these viruses can remain latent in the body? Herpes simplex virus Influenza virus Rhinovirus Norovirus 22 / 30Which viral family includes the smallpox virus? Flaviviridae Poxviridae Herpesviridae Picornaviridae 23 / 30Which viral infection is commonly diagnosed using the Tzanck smear? Dengue COVID-19 Influenza Herpes simplex 24 / 30What is the function of neuraminidase in the influenza virus? Viral release from host cells Attachment to host cells Inhibition of immune cells Protein synthesis 25 / 30Which virus causes hemorrhagic fever? Hepatitis B virus Measles virus Ebola virus Epstein-Barr virus 26 / 30Which of the following is a DNA virus?Influenza virus HIV Herpes simplex virus Hepatitis C virus Influenza virus 27 / 30Which of the following is NOT a characteristic of retroviruses? Reverse transcription Integration into host genome RNA genome Double-stranded DNA genome 28 / 30The Rabies virus affects primarily the: Circulatory system Digestive system Respiratory system Nervous system 29 / 30Which of the following viruses causes chickenpox? Rubella virus Epstein-Barr virus Varicella-zoster virus Herpes simplex virus-1 30 / 30Which of the following viruses is known to cross the placenta? Rubella virus Rotavirus Poliovirus Rhinovirus Your score isThe average score is 83% 0% Restart quiz