Sail E0 Webinar

General Knowledge > General Science

VIRUS MCQs

Total Questions : 35 | Page 2 of 4 pages
Question 11. A tiny non-living particle that invades and then multiplies inside of a living cell is called a:
  1.    vaccine
  2.    virus
  3.    bacteriophage
  4.    All of above
 Discuss Question
Answer: Option B. -> virus
Question 12. Which of the following correctly describes viruses?
  1.    non-living because they grow and develop
  2.    living because they can use energy
  3.    non-living because they cannot reproduce on their own
  4.    living because they can maintain homeostasis
 Discuss Question
Answer: Option C. -> non-living because they cannot reproduce on their own
Question 13. What happens in the lytic cyle?
  1.    Virus goes in and leaves the host cell
  2.    Virus quickly kills the host cell
  3.    Virus sleeps inside of the host cell
  4.    Virus stay dormant for a long time
 Discuss Question
Answer: Option B. -> Virus quickly kills the host cell
Question 14. Which viral life cycle kills its host cell by lysing?
  1.    lytic
  2.    mitosis
  3.    lysogenic
  4.    S phase
 Discuss Question
Answer: Option A. -> lytic
Question 15. What happens in the lysogenic cycle?
  1.    Virus goes in and leaves the host cell
  2.    Virus quickly kills the host cell
  3.    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
  4.    Bacteria injects DNA into a host cell
 Discuss Question
Answer: Option C. -> 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
Question 16. What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
  1.    tail
  2.    nucleus
  3.    capsid
  4.    glycoprotein
 Discuss Question
Answer: Option C. -> capsid
Question 17. A virus's genetic material is surrounded by
  1.    a protein capsid
  2.    DNA
  3.    a tail fiber
  4.    nothing
 Discuss Question
Answer: Option A. -> a protein capsid
Question 18. Which cycle of a virus is most destructive to the host?
  1.    lytic cycle
  2.    lysogenic cycle
 Discuss Question
Answer: Option A. -> lytic cycle
Question 19. What can we do to prevent Covid-19?
  1.    Stay home
  2.    Go out
  3.    Shake hands
  4.    Visit coronavirus people
 Discuss Question
Answer: Option A. -> Stay home
Question 20. Which country has the most people died by corona virus?
  1.    Spain
  2.    China
  3.    America
  4.    Italy
 Discuss Question
Answer: Option D. -> Italy

Latest Videos

Latest Test Papers