Quiz  /  Virus Class 11 MCQ Questions With Answers

  • 1. 
    A virus's genetic material is surrounded by

  • a protein capsid
  • DNA
  • a tail fiber
  • nothing

  • 2. 
    Viruses are shaped like

  • spheres
  • cubes
  • a diamond shape with tail fibres
  • all of these

  • 3. 
    Viruses are non-living because

  • they cannot reproduce on their own
  • they do not evolve
  • they have no DNA
  • they cannot be destroyed

  • 4. 
    A virus in the lysogenic state can be forced into the lytic cycle by

  • exposure to UV light
  • exposure to certain chemicals
  • a change in temperature or pH
  • all of these

  • 5. 
    Viruses are considered

  • living things
  • non-living things
  • partially living things
  • All of above

  • 6. 
    Which cycle of a virus is most destructive to the host?

  • lytic cycle
  • lysogenic cycle

  • 7. 
    Viruses attach only to a particular host because of the presence of

  • DNA
  • magnetic attraction
  • surface receptors
  • other viruses

  • 8. 
    Which of these is caused by a virus?

  • the common cold
  • chicken pox
  • strep throat
  • two of these
  • all 3 of these

  • 9. 
    This image represents part of the

  • lytic cycle
  • lysogenic cycle

  • 10. 
    Choose the correct order of lytic cycle steps

  • attachment, injection, assembly, synthesis, lysis
  • attachment, injection, synthesis, assembly, lysis
  • attachment, injection, assembly, lysis, synthesis
  • attachment, lysis, assembly, synthesis, injection
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