This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Virus And Bacteria – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is NOT a reason that we use scientific names? A) To prevent misnonmers. B) To sound smart. C) To make it easier for scientists to communicate around the world. D) To prevent duplicate names. Show Answer Correct Answer: B) To sound smart. 2. Domain ..... includes prokaryotic organisms that live in harsh environment. A) Bacteria. B) Archaea. C) Eukarya. D) None of above. Show Answer Correct Answer: B) Archaea. 3. What happens at the end of the lytic infectious cycle? A) Lysis, bursting of the cell. B) The cell makes more viruses. C) The virus continue replicating themselves. D) Lysogenesis, spread of the virus. Show Answer Correct Answer: A) Lysis, bursting of the cell. 4. What "Super Scientist" would be most interested in studying viruses? A) Mammalogist. B) Mycologist. C) Virologist. D) Herpetologist. Show Answer Correct Answer: C) Virologist. 5. Bacteria can help plants by trapping nitrogen in the soil through ..... A) Nitrogen fixation. B) Sterilization. C) Conjugation. D) Decomposition. Show Answer Correct Answer: A) Nitrogen fixation. 6. Process that sterilizes bacteria so it is safe to eat A) Pasteurization. B) Boiling. C) Juliette. D) None of above. Show Answer Correct Answer: A) Pasteurization. 7. Why is it that some organisms look similar but do not share a recent common ancestor? A) Convergent evolution. B) Shared DNA. C) Divergent evolution. D) Organism who don't share recent common ancestors don't look alike. Show Answer Correct Answer: A) Convergent evolution. 8. Which of the following is a means for bacteria to enter your body? A) Through the food you eat. B) Through a cut. C) In the air you breathe. D) All of these. Show Answer Correct Answer: D) All of these. 9. How can people kill harmful bacteria that live in foods? A) Using UV light. B) Using chemicals. C) Heating the food. D) Keeping the food cold. Show Answer Correct Answer: C) Heating the food. 10. A third way in which bacterial are beneficial: A) They help with bioremediation. B) They are predators. C) They help with the process of mitosis. D) They cause the change of seasons. Show Answer Correct Answer: A) They help with bioremediation. 11. Most fungi reproduce by using ..... A) Spores. B) Eggs. C) Budding. D) Zoanthropy. Show Answer Correct Answer: A) Spores. 12. Nature's recyclers; organisms that break down nutrients in the soil so that other organisms can use the nutrients A) Autotrophs. B) Heterotrophs. C) Decomposers. D) None of above. Show Answer Correct Answer: C) Decomposers. 13. What do viruses need in order to carry out their functions? A) Organisms/ a host cell. B) Food. C) Vaccines. D) Energy. Show Answer Correct Answer: A) Organisms/ a host cell. 14. Which of the following is an organelle that prokaryotes have? A) Lysosome. B) Mitochondria. C) Nucleus. D) Ribosomes. Show Answer Correct Answer: D) Ribosomes. 15. Bacteria can be helpful to humans by A) Producing oxygen. B) Used to make food and medicine. C) Environmental cleanup and recycling. D) All of the answer choices. Show Answer Correct Answer: D) All of the answer choices. 16. Bacteria that help break down dead material in the environment are called A) Vaccines. B) Decomposers. C) Oats. D) None of above. Show Answer Correct Answer: B) Decomposers. 17. Some scientists propose that the kingdom Protista should be broken up into several kingdoms. Why? A) Protists are very diverse organisms. B) They do not fit into other kingdoms. C) They have characteristics of both plants and animals. D) All of the these answer choices. Show Answer Correct Answer: D) All of the these answer choices. 18. Tooth decay is an infection that is MOST LIKELY caused by A) Bacteria. B) Acidic food. C) Allergies. D) Genetic defects. Show Answer Correct Answer: A) Bacteria. 19. What are disease causing agents like bacteria or viruses called? A) Pathogens. B) Proteins. C) Antibodies. D) Vitamins. Show Answer Correct Answer: A) Pathogens. 20. Which is the correct order of the steps of the lytic cycle? A) Attachment; entry; replication; assembly; release. B) Adsorption; replication; entry; assembly; release. C) Entry; adsorption; replication; assembly; release. D) Attachment; entry; assembly; replication; exit. Show Answer Correct Answer: A) Attachment; entry; replication; assembly; release. 21. ..... is the domain of prokaryotes that can live in very harsh environments. A) Protist. B) Bacteria. C) Fungi. D) Archaea. Show Answer Correct Answer: D) Archaea. 22. ..... are prokaryotic organisms that can live in extreme environments. They are chemically different from bacteria. A) Archaea. B) Bacteria. C) Fungus. D) Viruses. Show Answer Correct Answer: A) Archaea. 23. Different bacteria do different things, including A) Helping people digest their food. B) Breaking down dead organisms. C) Turning milk into cheese. D) All of the above. Show Answer Correct Answer: D) All of the above. 24. You have a cold, but your doctor will not give you an antibiotic, because A) Antibiotics do not kill viruses. B) Colds are not infectious. C) Antibiotics make colds worse. D) Antibiotics provide bacteria with food. Show Answer Correct Answer: A) Antibiotics do not kill viruses. 25. A pathogen normally found in an area would be considered ..... A) Epidemic. B) Endemic. C) Pandemic. D) Infectious. Show Answer Correct Answer: B) Endemic. 26. What happens to cells when their membranes break apart? A) The virus dies. B) The virus destroys and damages a host cell. C) The capsid bursts. D) The virus becomes dormant. Show Answer Correct Answer: B) The virus destroys and damages a host cell. 27. What 2 domains are the most closely related? A) Bacteria/ Archeabacteria. B) Archeabacteria/ Eukarya. C) Animalia/ Bacteria. D) Eukarya/ Bacteria. Show Answer Correct Answer: A) Bacteria/ Archeabacteria. 28. Which processes allows for the viruses DNA to lay "dormant" or hide in the host DNA while the cell reproduces? A) Lytic. B) Capsid. C) Enveloped. D) Lysogenic. Show Answer Correct Answer: D) Lysogenic. 29. This forms inside a bacteria cell and stores the genetic material, so that the cell can go dormant until conditions are favorable for it to thrive. A) Ribosome. B) Plasmid. C) Cytoplasm. D) Endospore. Show Answer Correct Answer: D) Endospore. 30. What shape is a bacteria with bacillus in the name? A) Spiral. B) Rods. C) Sphere. D) None of the Above. Show Answer Correct Answer: B) Rods. 31. What do doctors use to prime our immune systems to resist viruses? A) Gene therapy. B) Chemotherapy. C) Vaccines. D) Antibiotics. Show Answer Correct Answer: C) Vaccines. 32. A complex type of cell that has organelles. This is the type of cell that we are made of. A) Eukaryote. B) Tail Fiber. C) Prokaryote. D) Nucleoid. Show Answer Correct Answer: A) Eukaryote. 33. Eubacteria cell walls are made out of ..... A) Peptidoglycan. B) Glucose. C) Cellulose. D) Chitin. Show Answer Correct Answer: A) Peptidoglycan. 34. What is the 1st step of virus infection? A) Assembly. B) Attachment. C) Entry. D) Replication. Show Answer Correct Answer: B) Attachment. 35. Bacteria reproduce by a process called A) Binary fission. B) Sexual reproduction. C) Meiosis. D) Conjugation. Show Answer Correct Answer: A) Binary fission. 36. What could the core of a virus contain? A) RNA. B) DNA. C) DNA or RNA. D) None of these. Show Answer Correct Answer: C) DNA or RNA. 37. Which scientist is responsible for the taxonomy and classification system that we use today? A) Aristotle. B) Charles Darwin. C) Gregor Mendel. D) Carolus Linneaus. Show Answer Correct Answer: D) Carolus Linneaus. 38. Which transmission mode of disease can affect the most people the quickest? A) Diseases carried by a vector. B) Sexually transmitted diseases. C) Bloodborne diseases. D) Airborne diseases. Show Answer Correct Answer: D) Airborne diseases. 39. Which of the followig only applies to Bacteria A) Unicellular. B) Eukaryotic. C) Nonliving. D) Requires Host cell to replicate. Show Answer Correct Answer: A) Unicellular. 40. Contain a caspid containing DNA or RNA A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) None of above. Show Answer Correct Answer: A) Viruses. 41. The flagella on a bacteria serve what purpose? A) Cleans the bacteria. B) Protects the bacteria. C) Helps the bacteria to move. D) Helps the bacteria find a mate. Show Answer Correct Answer: C) Helps the bacteria to move. 42. A protein that binds to the operator and blocks the RNA polymerase A) Regulator. B) Corepressor. C) Activator. D) Repressor. Show Answer Correct Answer: D) Repressor. 43. ..... are anything special about an organism that helps it to survive. A) Adaptations. B) Genetic material. C) Responses. D) Acquired traits. Show Answer Correct Answer: A) Adaptations. 44. 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. 45. Which of the following is not a kind of pathogen? A) Bacteria. B) Mosquitoes. C) Fungi. D) Protists. Show Answer Correct Answer: B) Mosquitoes. 46. 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) Heterogeneous. B) Symbiotic. C) Homologous. D) Functional. Show Answer Correct Answer: C) Homologous. 47. 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. 48. 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. 49. 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. 50. 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. 51. The first part of the scientific name is ALWAYS A) Lowercased. B) Capitalized. C) Underlined. D) Italicized. Show Answer Correct Answer: B) Capitalized. 52. The main language of scientific names is: A) Greek. B) Arabic. C) English. D) Latin. Show Answer Correct Answer: D) Latin. 53. Bacteria are prokaryotes, meaning they ..... A) Have a cytoplasm. B) Are very large. C) Lack a nucleus. D) Contain no DNA. Show Answer Correct Answer: C) Lack a nucleus. 54. Examples are mushrooms and yeast A) Animalia. B) Plantae. C) ProtistsProtista. D) Fungi. Show Answer Correct Answer: D) Fungi. 55. Viruses that copy backwards-from RNA to DNA instead of DNA to RNA-are called: A) Lytic viruses. B) Prophage. C) Anti-virals. D) Retroviruses. Show Answer Correct Answer: D) Retroviruses. 56. ..... is when one cell reproduces by dividing in half to become two cells. A) Prophase. B) Binary fission. C) Mieosis. D) Sexual reproduction. Show Answer Correct Answer: B) Binary fission. 57. One reason that viruses are considered nonliving is that they ..... A) Show only a few features of life. B) Do not contain DNA. C) Are prokaryotes. D) Can only replicate in a host cell. Show Answer Correct Answer: D) Can only replicate in a host cell. 58. 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. 59. Which pathogen reproduces using binary fission (Asexual Reproduction)? A) Fungi. B) Bacteria. C) Virus. D) Parasite. Show Answer Correct Answer: B) Bacteria. 60. A ..... is a living thing that a virus or parasite uses for resources or shelter. A) Paramecium. B) Host. C) Bacterium. D) Archaea. Show Answer Correct Answer: B) Host. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesVirus And Bacteria Quiz 1Virus And Bacteria Quiz 3Virus And Bacteria Quiz 4Virus And Bacteria Quiz 5Virus And Bacteria Quiz 6Virus And Bacteria Quiz 7Virus And Bacteria Quiz 8Virus And Bacteria Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books