This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 6 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The flagella on a bacteria serve what purpose? A) Helps the bacteria find a mate. B) Cleans the bacteria. C) Helps the bacteria to move. D) Protects the bacteria. Show Answer Correct Answer: C) Helps the bacteria to move. 2. A protein that binds to the operator and blocks the RNA polymerase A) Regulator. B) Repressor. C) Activator. D) Corepressor. Show Answer Correct Answer: B) Repressor. 3. ..... are anything special about an organism that helps it to survive. A) Genetic material. B) Acquired traits. C) Adaptations. D) Responses. Show Answer Correct Answer: C) Adaptations. 4. What does a vaccine do? A) Gives you immunity. B) Gives you a disease. C) Cures you from a disease. D) None of above. Show Answer Correct Answer: A) Gives you immunity. 5. Which of the following is not a kind of pathogen? A) Bacteria. B) Protists. C) Mosquitoes. D) Fungi. Show Answer Correct Answer: C) Mosquitoes. 6. The wings of a bat and the forelimbs of a cheetah are similar in structure but have different functions. These are known as ..... structures. A) Symbiotic. B) Homologous. C) Heterogeneous. D) Functional. Show Answer Correct Answer: B) Homologous. 7. What is the best way to prevent the spread of all diseases? A) Vaccines. B) Antibiotics. C) Cover your mouth when coughing. D) Wash you hands. Show Answer Correct Answer: D) Wash you hands. 8. Vaccines protect: A) Vaccinated person. B) Those too young to be vaccinated. C) Those who have weak immune system. D) All of the above. Show Answer Correct Answer: D) All of the above. 9. The outer covering of a bacteria cell is called the A) Flagella. B) Cytoplasm. C) Cell wall. D) None of above. Show Answer Correct Answer: C) Cell wall. 10. Medicines that stop the growth and reproduction of bacteria are ..... A) Antibiotics. B) Vaccines. C) Antibodies. D) All of these are correct. Show Answer Correct Answer: A) Antibiotics. 11. The first part of the scientific name is ALWAYS A) Italicized. B) Underlined. C) Capitalized. D) Lowercased. Show Answer Correct Answer: C) Capitalized. 12. The main language of scientific names is: A) Greek. B) English. C) Latin. D) Arabic. Show Answer Correct Answer: C) Latin. 13. Bacteria are prokaryotes, meaning they ..... A) Lack a nucleus. B) Are very large. C) Contain no DNA. D) Have a cytoplasm. Show Answer Correct Answer: A) Lack a nucleus. 14. Viruses that copy backwards-from RNA to DNA instead of DNA to RNA-are called: A) Anti-virals. B) Prophage. C) Lytic viruses. D) Retroviruses. Show Answer Correct Answer: D) Retroviruses. 15. ..... is when one cell reproduces by dividing in half to become two cells. A) Sexual reproduction. B) Prophase. C) Mieosis. D) Binary fission. Show Answer Correct Answer: D) Binary fission. 16. One reason that viruses are considered nonliving is that they ..... A) Can only replicate in a host cell. B) Show only a few features of life. C) Are prokaryotes. D) Do not contain DNA. Show Answer Correct Answer: A) Can only replicate in a host cell. 17. What is bacteria? A) A nonliving particle that invades and then reproduces inside a living cell. B) An organism that feeds on a living host. C) An organism that nourishes a parasite. D) Single-Celled organisms that lack a nucleus. Show Answer Correct Answer: D) Single-Celled organisms that lack a nucleus. 18. Which pathogen reproduces using binary fission (Asexual Reproduction)? A) Virus. B) Bacteria. C) Fungi. D) Parasite. Show Answer Correct Answer: B) Bacteria. 19. A ..... is a living thing that a virus or parasite uses for resources or shelter. A) Bacterium. B) Archaea. C) Paramecium. D) Host. Show Answer Correct Answer: D) Host. 20. Bacteria are used to make which of the following foods? A) Yogurt. B) Bread. C) Pickles. D) All of these are correct. Show Answer Correct Answer: D) All of these are correct. ← 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 7Virus And Bacteria Quiz 8Virus And Bacteria Quiz 9Virus And Bacteria Quiz 10Virus And Bacteria Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books