Quiz  /  Virus Class 10 MCQ Questions With Answers

  • 1. 
    Can a virus be good?

  • Only when it kills my enemies
  • Naw, son...
  • maybe
  • yes, when a scientist uses it for gene therapy

  • 2. 
    What is a vaccine?

  • a girl's name.
  • something that helps the body fight viruses.
  • a purple fruit from France.
  • something completely different.

  • 3. 
    Genetic material found in virus

  • DNA
  • RNA
  • BOTH
  • NON OF THE ABOVE

  • 4. 
    Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?

  • lytic
  • mitosis
  • lysogenic
  • S phase

  • 5. 
    What feature do viruses have in common with animal cells?

  • ability to form proteins at the ribosomes
  • existence of lipids in cell membranes
  • presence of genetic code in nucleic acid
  • production of energy by a mitochondrion

  • 6. 
    A virus acts like a...

  • leukocyte
  • parasite
  • parachute
  • paramedic

  • 7. 
    The organism that a virus enters and uses is called a

  • host
  • parasite
  • guest
  • brujeria

  • 8. 
    How many parts does a virus have?

  • One
  • None
  • too many to count
  • 2

  • 9. 
    Antibiotics kill viruses

  • True
  • False

  • 10. 
    A tiny non-living particle that invades and then multiplies inside of a living cell is called a:

  • vaccine
  • virus
  • bacteriophage
  • All of above

  • 11. 
    A virus's genetic material is surrounded by

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

  • 12. 
    Host DNA is compromised and viral DNA takes over in which phase?

  • 1
  • 2
  • 3
  • 4

  • 13. 
    All viruses contain-

  • nucleic acids
  • ribosomes
  • mitochondria
  • cytoplasm

  • 14. 
    What happens in the lytic cyle?

  • Virus goes in and leaves the host cell
  • Virus quickly kills the host cell
  • Virus sleeps inside of the host cell
  • Virus stay dormant for a long time

  • 15. 
    What happens in the lysogenic cycle?

  • Virus goes in and leaves the host cell
  • Virus quickly kills the host cell
  • Virus inject the nucleic acid into the host cell, and the nucleic acid integrates into the host cell DNA, and stay dormant for a long time
  • Bacteria injects DNA into a host cell

  • 16. 
    Which statement regarding viruses is true?

  • a virus can only reproduce inside of a living cell
  • viruses do not contain DNA
  • viruses are unicellular
  • viruses are generally larger than cells

  • 17. 
    Viruses are shaped like

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

  • 18. 
    One reason that viruses are considered to be nonliving is that they are not made of ______.

  • protein
  • viruses
  • bacteria
  • cells

  • 19. 
    What is the 1st step of virus infection?

  • Entry
  • Attachment
  • Replication
  • Assembly

  • 20. 
    The lysing of a cell occurs in which phase?

  • 1
  • 2
  • 4
  • 5

  • 21. 
    Viruses are non-living because

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

  • 22. 
    What process is this?

  • phagocytosis
  • lytic cycle
  • lysogenic cycle
  • formation of antibodies

  • 23. 
    What is shown here?

  • Lysogenic Cycle
  • Lytic Cycle
  • Binary Fission
  • Conjugation

  • 24. 
    What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?

  • tail
  • nucleus
  • capsid
  • glycoprotein

  • 25. 
    The capsid of a virus protects the virus from the external environment. What structure is this similar to in a plant cell?

  • ribosome
  • cell membrane
  • vacuole
  • cell wall
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