Virology Slide 1-100

238 Questions | Total Attempts: 83

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Biotechnology Quizzes & Trivia

A test that queries various random questions that are designed to test your knowledge on a specific subject matter like viruses. It might not be as easy as you think but just try it out to see how you will do.


Questions and Answers
  • 1. 
    Which of the following viruses are DNA viruses?
    • A. 

      Pox

    • B. 

      Retro

    • C. 

      Corona

    • D. 

      Hepadna

    • E. 

      Herpes

  • 2. 
    Which of the following viruses are RNA viruses?
    • A. 

      Entero

    • B. 

      Paramyxo

    • C. 

      Papilloma

    • D. 

      Parvo

    • E. 

      Orthomyxo

  • 3. 
    What is the name of the membrane surrounding the virus core?
    • A. 

      Envelope

    • B. 

      Capsid

    • C. 

      Plasma membrane

    • D. 

      Capsule

  • 4. 
    What is the name for the major protein component of the shell of the core?
  • 5. 
    Viruses are considered ______
    • A. 

      Smallest of all self-replicating organisms

    • B. 

      Obligate intracellular parasites

    • C. 

      Filterable infectious agents

  • 6. 
    Viruses always contain DNA as their genetic material.
    • A. 

      True

    • B. 

      False

  • 7. 
    Viruses use their protein synthesis machinery to synthesize proteins using host molecules.
    • A. 

      True

    • B. 

      False

  • 8. 
    Which of the following is NOT a viral host?
    • A. 

      Bacteria

    • B. 

      Protozoa

    • C. 

      Fungi

    • D. 

      Algae

    • E. 

      All of the above are viral hosts

  • 9. 
    What is the name for the smallest virus?
  • 10. 
    What is the name for the largest virus?
  • 11. 
    Which is NOT a viral structure?
    • A. 

      Helical

    • B. 

      Hexagonal

    • C. 

      Ovoid

    • D. 

      Icosahedral

  • 12. 
    The cells, tissues, species that a virus can productively infect is called _____
  • 13. 
    The capacity of a cell, tissue, or species to support virus replication is called _____
  • 14. 
    The ability of a virus to infect a host is determined by what?
    • A. 

      Host cell receptor availability

    • B. 

      Presence of intracellular host cell factors

    • C. 

      Similarities between the host cell membranes and the viral membranes

    • D. 

      Host immune responses

  • 15. 
    The purpose of this structure is to form a stable protective shell for the genome.
  • 16. 
    What is the name for the discrete substructure of the virion which contains a nucleic acid-protein assembly package?
  • 17. 
    An icosahedral structure contains which of the following?
    • A. 

      5-fold axis of symmetry

    • B. 

      4-fold axis of symmetry

    • C. 

      3-fold axis of symmetry

    • D. 

      2-fold axis of symmetry

  • 18. 
    How many vertices does the icosahedron contain?
  • 19. 
    How many triangular faces does the icosahedron contain?
  • 20. 
    A host cell-derived lipid bilayer carrying viral glycoproteins that forms the outer layer of a virus particle.
  • 21. 
    Most viruses acquire their membrane by forming a lipid bilayer from their glycoproteins.
    • A. 

      True

    • B. 

      False

  • 22. 
    Viral envelope proteins are targeted to the appropriate membrane during translation.
    • A. 

      True

    • B. 

      False

  • 23. 
    Enveloped viruses enter the host via which mechanism of entry?
    • A. 

      Fusion with the plasma membrane

    • B. 

      Endocytosis

    • C. 

      Penetration through plasma membrane

  • 24. 
    Non-enveloped viruses enter the host via which entry mechanism?
    • A. 

      Fusion with plasma membrane

    • B. 

      Endocytosis

    • C. 

      Penetration through plasma membrane

  • 25. 
    In viral endocytosis, what causes the conformation change which releases the virus from the endosome into the cytosol?