Virology Quiz: Test Your Knowledge 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 assay is used to count the number of infectious virus particles? Plaque assay PCR ELISA Hemagglutination assay 2 / 30Hepatitis D virus requires which other virus to replicate? Hepatitis A Hepatitis B None of the above Hepatitis C 3 / 30Viruses are considered: Non-living outside the host Prokaryotic cells Eukaryotic cells Autotrophic organisms 4 / 30Which of these viruses can remain latent in the body? Herpes simplex virus Rhinovirus Influenza virus Norovirus 5 / 30Which of the following viruses is transmitted by mosquitoes? Rabies virus Epstein-Barr virus Dengue virus Hepatitis B 6 / 30Which diagnostic test is widely used to detect viral RNA? RT-PCR Western blot Gram stain ELISA 7 / 30Influenza virus is classified as: Non-enveloped, ssRNA virus Enveloped, ssRNA virus Non-enveloped, dsDNA virus Enveloped, dsRNA virus 8 / 30What is the function of neuraminidase in the influenza virus? Inhibition of immune cells Attachment to host cells Viral release from host cells Protein synthesis 9 / 30Which of the following is a DNA virus?Influenza virus Hepatitis C virus Herpes simplex virus Influenza virus HIV 10 / 30Which virus is responsible for warts? Hepatitis A virus Cytomegalovirus Human papillomavirus (HPV) Herpes simplex virus 11 / 30Which viral infection is commonly diagnosed using the Tzanck smear? Dengue Herpes simplex COVID-19 Influenza 12 / 30What is the genome type of coronaviruses (like SARS-CoV-2)? ssDNA +ssRNA dsRNA dsDNA 13 / 30Which viral family includes the smallpox virus? Herpesviridae Poxviridae Flaviviridae Picornaviridae 14 / 30Which virus causes hemorrhagic fever? Hepatitis B virus Epstein-Barr virus Ebola virus Measles virus 15 / 30Which virus has segmented RNA genome? Influenza virus Herpes simplex virus Adenovirus HIV 16 / 30Which of the following viruses is known to cross the placenta? Rotavirus Rhinovirus Rubella virus Poliovirus 17 / 30Which virus uses RNA-dependent RNA polymerase for replication? Adenovirus Herpesvirus Retrovirus Influenza virus 18 / 30Which of the following is a slow virus disease? Subacute sclerosing panencephalitis (SSPE) Polio Rabies Dengue fever 19 / 30Which hepatitis virus is transmitted via the fecal-oral route? Hepatitis B Hepatitis A Hepatitis C Hepatitis D 20 / 30The Rabies virus affects primarily the: Respiratory system Nervous system Digestive system Circulatory system 21 / 30In viral replication, the eclipse period refers to: Incubation period in the body Period when virus exits the host Time of attachment to host cell Time between entry and appearance of new virions 22 / 30Which of the following is NOT a characteristic of retroviruses? Reverse transcription Double-stranded DNA genome Integration into host genome RNA genome 23 / 30Which of the following is a double-stranded RNA virus? Rotavirus Poliovirus Adenovirus Rabies virus 24 / 30What is a virus composed of? Nucleus and mitochondria Cells and cytoplasm DNA or RNA and a protein coat Ribosomes and mRNA 25 / 30Which of the following viruses causes chickenpox? Varicella-zoster virus Rubella virus Herpes simplex virus-1 Epstein-Barr virus 26 / 30Which virus is associated with oncogenesis (cancer formation)? Norovirus Adenovirus Rhinovirus Epstein-Barr virus 27 / 30Which virus causes AIDS? HPV HSV HIV HCV 28 / 30Which viral structure is responsible for host cell attachment? Envelope Spike proteins Matrix proteins Capsid 29 / 30Which enzyme is used by retroviruses to replicate? Reverse transcriptase RNA polymerase Ligase DNA polymerase 30 / 30The capsid of a virus is made up of: Proteins Nucleic acids Polysaccharides Lipids Your score isThe average score is 60% 0% Restart quiz