This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 8 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Vaccines are most often associated with this pathogen. A) Virus. B) Bacteria. C) Fungus. D) None of above. Show Answer Correct Answer: A) Virus. 2. What is one reason that viruses are considered non-living particles? A) They have the ability to respond to changes in their environment. B) They are unable to reproduce alone. C) They respond to external stimuli. D) None of above. Show Answer Correct Answer: B) They are unable to reproduce alone. 3. What is the function of a viral capsid? A) Bind to surface of host cell. B) Allow it to enter the cell. C) Protect against other viruses. D) Protect against bacteria. Show Answer Correct Answer: A) Bind to surface of host cell. 4. One reason that viruses are considered to be nonliving is that they are not made of ..... A) Protein. B) Viruses. C) Bacteria. D) Cells. Show Answer Correct Answer: D) Cells. 5. This virus attacks the white blood cells (immune cells) of the human body. Eventually, the immune system cannot handle the viral invasion. This makes the body prone to attack from other viruses and bacteria. What is the name of this infectious viral disease? A) AIDS. B) Cancer. C) Diabetes. D) None of above. Show Answer Correct Answer: A) AIDS. 6. Vaccines A) Prevent people from coming in contact with viruses. B) Give the immune system a preview of a pathogen. C) Prevent all viral infections. D) Only work on small children. Show Answer Correct Answer: B) Give the immune system a preview of a pathogen. 7. Are single-cell organisms A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) None of above. Show Answer Correct Answer: B) Bacteria. 8. Which viral life cycle kills its host cell by lysing? A) Lytic. B) Mitosis. C) Lysogenic. D) S phase. Show Answer Correct Answer: A) Lytic. 9. How do some bacteria move? A) Flagella. B) Cilia. C) They don't. D) None of above. Show Answer Correct Answer: A) Flagella. 10. Whats the influenza virus? A) A virus that causes cold sores. B) A virus that causes polio. C) A virus that causes a cold. D) None of these. Show Answer Correct Answer: D) None of these. 11. Virus that infects bacteria A) Chicken pox. B) HIV. C) Flu. D) Bacteriophage. Show Answer Correct Answer: D) Bacteriophage. 12. As you move down the classification pyramid, the variety of organisms: A) Increases. B) Stays the same. C) Decreases. D) Doubles. Show Answer Correct Answer: C) Decreases. 13. Based on their names, Felis concolor and Felis leo do NOT belong to the same ..... A) Species. B) Genus. C) Order. D) Group. Show Answer Correct Answer: A) Species. 14. What are the four ways in which bacteria are spread? A) Touch, food, water, insects & animals. B) Touch, sight, taste, hearing, smell. C) Jumping, leaping, hopping, skipping. D) Touch, food, drink, oxygen. Show Answer Correct Answer: A) Touch, food, water, insects & animals. 15. Bacteria cells are classified as A) Eukaryotes. B) Prokaryotes. C) Viruses. D) A Host. Show Answer Correct Answer: B) Prokaryotes. 16. What percentage of bacteria are harmful? A) 99%. B) About 50%. C) About 10%. D) Less than 1%. Show Answer Correct Answer: D) Less than 1%. 17. The ecological roles filled by prokaryotes include all of the following except A) Decomposers. B) Producers. C) Scavengers. D) Nitrogen fixers. Show Answer Correct Answer: C) Scavengers. 18. Viruses are not alive because they do not ..... A) Have DNA. B) Release energy. C) Reproduce. D) Have protein. Show Answer Correct Answer: B) Release energy. 19. To which group of organisms do viruses belong? A) Actinomycetes. B) Cyanobacteria. C) Protozoa. D) None of these. Show Answer Correct Answer: D) None of these. 20. Reproduces using binary fission or conjugation A) Viruses. B) Bacteria. C) Both. D) None of above. Show Answer Correct Answer: B) Bacteria. ← PreviousNext →Related QuizzesVirus And Bacteria Quiz 1Virus And Bacteria Quiz 2Virus And Bacteria Quiz 3Virus And Bacteria Quiz 4Virus And Bacteria Quiz 5Virus And Bacteria Quiz 6Virus And Bacteria Quiz 7Virus And Bacteria Quiz 9Virus And Bacteria Quiz 10Virus And Bacteria Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books