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