Download Viruses Quiz Answer Key

Viruses Quiz Answer Key
1. True or False: A virus causes the common cold.
true 2. True or False: Viruses can evolve.
true 3. Are viruses living? Explain your answer.
No, a virus is not living. It is not made of a cell or cells, cannot maintain homeostasis, and cannot reproduce on its own. So, a virus does not meet the definition of a living organism. 4. What is a ribosome?
A ribosome is the cell structure on which proteins are made. All cells have ribosomes. 5. Viruses have two important traits of living organisms. What are they?
Viruses have genetic material (DNA or RNA), and they can evolve. 6. What does a virus use from a host cell to replicate?
a) ATP, DNA, RNA
b) ATP, ribosomes, enzymes
c) DNA, ribosomes, enzymes
d) ATP, ribosomes, DNA
7. Viruses cause which of the following human diseases?
a) the flu, AIDS and Bubonic Plague
b) the flu, AIDS, and cold sores
c) AIDS, cold sores and athlete’s foot
d) the flu, AIDS and athlete’s foot
8. What does it mean for a virus to “infect” a cell?
a) The virus lands on the outside of the cell then completely enters the cell.
b) The virus lands on the outside of the cell and injects its genetic material into
the cell.
c) The virus lands on the outside of the cell and injects its proteins into the cell.
d) The virus enters the cell through the outer cell membrane.
9. Which domain do viruses belong to?
a) Bacteria
b) Archaea
c) Eukarya
d) Viruses do not belong to any domain.
10. Which is the best definition of a virus?
a) A non-living particle consisting of RNA or DNA surrounded by a protein coat.
b) A non-living particle consisting of RNA or DNA surrounded by a DNA coat.
c) A living particle consisting of protein surrounded by a DNA or RNA coat.
d) A living particle consisting of RNA or DNA surrounded by a protein coat