This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Virus And Bacteria – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. HIV primarily attacks and destroys A) Antibodies. B) T4 cells. C) Monocytes. D) B lymphocytes. Show Answer Correct Answer: B) T4 cells. 3. This domain is characterized by ancient bacteria that can live in extreme environments, such as volcanoes. A) Bacteria. B) Eukarya. C) Prokarya. D) Archaea. Show Answer Correct Answer: D) Archaea. 4. Which of the following is NOT true of a virus? A) It contains DNA or RNA. B) It can enter a cell through endocyctosis. C) It is considered a living organism. D) It can only reproduce using a host cell. Show Answer Correct Answer: C) It is considered a living organism. 5. Antibiotics can kill bacteria by A) Consuming them. B) Interfering with the production of their cell wall. C) Imprisoning them. D) Depriving them of nutrients. Show Answer Correct Answer: B) Interfering with the production of their cell wall. 6. A virus that is in an inactive stage is called ..... A) Active. B) A slug. C) A couch potato. D) Latent. Show Answer Correct Answer: D) Latent. 7. A bacterium reproduces asexually by dividing to form two new bacterial cells. What is the name of the process by which bacteria reproduce? A) Budding. B) Meiosis. C) Binary fission. D) Mitosis. Show Answer Correct Answer: C) Binary fission. 8. At 1:00 pm, a person is infected with 1 bacteria. If the bacteria population doubles every hour, how many bacteria will be present at 8:00 pm? A) 64. B) 32. C) 16. D) 128. Show Answer Correct Answer: D) 128. 9. Archae bacteria like ..... and ..... conditions. A) Hot and Salty. B) Freezing and Sunny. C) Rocky and Freezing. D) Hot and Grassy. Show Answer Correct Answer: A) Hot and Salty. 10. What type of cell are bacteria? A) Animal. B) Eukaryote. C) Prokaryote. D) Plant. Show Answer Correct Answer: C) Prokaryote. 11. Which term is used to describe all disease-causing microorganisms? A) Bacteria. B) Viruses. C) Pathogen. D) Parasites. Show Answer Correct Answer: C) Pathogen. 12. Viruses in the lysogenic cycle can be DORMANT. This means they ..... A) Are resting and waiting to attack. B) Speed up reactions. C) Are infecting quickly. D) Catalyzing proteins. Show Answer Correct Answer: A) Are resting and waiting to attack. 13. Can infect organisms A) Bacteria. B) Virus. C) Both bacteria & virus. D) Neither bacteria nor virus. Show Answer Correct Answer: C) Both bacteria & virus. 14. Bacteria cells share which of the following organelles in common with plant and animal cells? A) Cell membrane, golgi bodies. B) Cell wall, mitochondria. C) Nucleus, ribosomes. D) Ribosomes, cytoplasm. Show Answer Correct Answer: D) Ribosomes, cytoplasm. 15. Reproduce by hi-jacking host cell machinery A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) Neither viruses or bacteria. Show Answer Correct Answer: A) Viruses. 16. Where to eubacteria live? A) In volcanic vents. B) Everywhere. C) Only in aerobic environments. D) Only in anaerobic environments. Show Answer Correct Answer: B) Everywhere. 17. What 2 kingdoms are bacteria divided into? A) Archeabacteria/ Bibacateria. B) Eubacteria/ Archeabacteria. C) Bibacteria/Eubacteria. D) Tulebacteria/ bibacteria. Show Answer Correct Answer: B) Eubacteria/ Archeabacteria. 18. Which of the following plant diseases is caused by a virus? A) Aster yellows. B) Barley yellow dwarf. C) Curly top of sugar beets. D) All of the above. Show Answer Correct Answer: D) All of the above. 19. In what Kingdom would you find extreme bacteria? A) Kingdom Microbiologica. B) Kingdom Bacteria. C) Kingdom Archaea. D) Kingdom Protista. Show Answer Correct Answer: C) Kingdom Archaea. 20. How do bacteria reproduce? A) Asexually or sexually. B) They don't reproduce!. C) Gene therapy. D) None of these. Show Answer Correct Answer: A) Asexually or sexually. 21. How do surface proteins help viruses? A) Protective outer part of a virus. B) Contain the instructions to making new viruses. C) Allow a virus to attach itself to certain cells on a host. D) All of the above. Show Answer Correct Answer: C) Allow a virus to attach itself to certain cells on a host. 22. Vaccines are most often associated with this pathogen. A) Virus. B) Bacteria. C) Fungus. D) None of above. Show Answer Correct Answer: A) Virus. 23. 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. 24. 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. 25. 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. 26. Are single-cell organisms A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) None of above. Show Answer Correct Answer: B) Bacteria. 27. Which viral life cycle kills its host cell by lysing? A) Lysogenic. B) Lytic. C) S phase. D) Mitosis. Show Answer Correct Answer: B) Lytic. 28. How do some bacteria move? A) Flagella. B) Cilia. C) They don't. D) None of above. Show Answer Correct Answer: A) Flagella. 29. 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. 30. Virus that infects bacteria A) Flu. B) HIV. C) Bacteriophage. D) Chicken pox. Show Answer Correct Answer: C) Bacteriophage. 31. As you move down the classification pyramid, the variety of organisms: A) Stays the same. B) Decreases. C) Increases. D) Doubles. Show Answer Correct Answer: B) Decreases. 32. Based on their names, Felis concolor and Felis leo do NOT belong to the same ..... A) Order. B) Species. C) Group. D) Genus. Show Answer Correct Answer: B) Species. 33. What are the four ways in which bacteria are spread? A) Jumping, leaping, hopping, skipping. B) Touch, food, drink, oxygen. C) Touch, sight, taste, hearing, smell. D) Touch, food, water, insects & animals. Show Answer Correct Answer: D) Touch, food, water, insects & animals. 34. Bacteria cells are classified as A) Eukaryotes. B) Prokaryotes. C) A Host. D) Viruses. Show Answer Correct Answer: B) Prokaryotes. 35. What percentage of bacteria are harmful? A) About 50%. B) 99%. C) About 10%. D) Less than 1%. Show Answer Correct Answer: D) Less than 1%. 36. The ecological roles filled by prokaryotes include all of the following except A) Scavengers. B) Nitrogen fixers. C) Decomposers. D) Producers. Show Answer Correct Answer: A) Scavengers. 37. Viruses are not alive because they do not ..... A) Release energy. B) Have protein. C) Reproduce. D) Have DNA. Show Answer Correct Answer: A) Release energy. 38. 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. 39. Reproduces using binary fission or conjugation A) Viruses. B) Bacteria. C) Both. D) None of above. Show Answer Correct Answer: B) Bacteria. 40. What process creates more viruses? A) Replication. B) Regeneration. C) Reproduction. D) Multiplication. Show Answer Correct Answer: A) Replication. 41. The "tail" of a prokaryotic cell that helps it move A) Lyse. B) Nucleoid. C) Flagellum. D) Eukaryote. Show Answer Correct Answer: C) Flagellum. 42. Microscopic prokaryotes that can be be either autotrophs or heterotrophs belong to Kingdom A) Protista. B) Fungi. C) Plantae. D) Archaebacteria. Show Answer Correct Answer: D) Archaebacteria. 43. Antibiotics can cure infections caused by A) Viruses. B) Viruses or bacteria. C) Bacteria. D) Anything. Show Answer Correct Answer: C) Bacteria. 44. Disease causing bacteria are called A) Friendly. B) Pathogenic. C) Deadly. D) Pathetic. Show Answer Correct Answer: B) Pathogenic. 45. What do viruses need to reproduce, and survive? A) Water. B) Shelter. C) A host cell. D) Host's blood. Show Answer Correct Answer: C) A host cell. 46. Which best compares bacteria and viruses? A) Bacteria are smaller than viruses. B) Bacteria cause disease, but viruses do not. C) Bacteria have genetic material, but viruses do not. D) Bacteria are living organisms, but viruses are not. Show Answer Correct Answer: D) Bacteria are living organisms, but viruses are not. 47. A virus is ..... a cell. A) Bigger than. B) Smaller than. C) The same size as. D) Another word for. Show Answer Correct Answer: B) Smaller than. 48. ..... break down energy in dead things to get food. A) Plants. B) Protists. C) Fungi. D) Animals. Show Answer Correct Answer: C) Fungi. 49. Which of the following is NOT found in bacteria? A) Ribosomes. B) Cytoplasm. C) Mitochondria. D) DNA. Show Answer Correct Answer: C) Mitochondria. 50. Which of the following lists structures from smallest to largest? A) Virus, protist, bacteria. B) Protist, bacteria, virus. C) Virus, bacteria, protist. D) Bacteria, virus, protist. Show Answer Correct Answer: C) Virus, bacteria, protist. 51. The ability of bacteria to survive and become "stronger" even after antibiotic treatment is called A) Antibiotic resistance. B) Cellular respiration. C) Antibody resistance. D) Endospore formation. Show Answer Correct Answer: A) Antibiotic resistance. 52. When a virus invades a living cell, its ..... takes over the cell's functions. A) Cytoplasm. B) Core. C) Genetic material. D) Outer coat. Show Answer Correct Answer: C) Genetic material. 53. The 3 shapes of bacteria are ..... A) Spiral, cylinder, crystal. B) Rod, round (sphere), spiral. C) Rod, disc, cylinder. D) Square, rod, round (sphere). Show Answer Correct Answer: B) Rod, round (sphere), spiral. 54. Prokaryotes are unlike all other organisms in that their cells A) Do not have a nucleus. B) Have membrane bound organelles. C) Have cell walls. D) Have DNA. Show Answer Correct Answer: A) Do not have a nucleus. 55. Which viral structure is responsible for attaching the virus to the host cell? A) Tail fiber. B) Capsid. C) Tail sheath. D) Genetic material. Show Answer Correct Answer: A) Tail fiber. 56. Which BEST contrasts a bacteria and a virus? A) A bacteria can reproduce, whereas a virus will not reproduce. B) A bacteria does not live in living things, whereas a virus does. C) A bacteria is a one celled living organism, whereas a virus is a nonliving organism. D) None of above. Show Answer Correct Answer: C) A bacteria is a one celled living organism, whereas a virus is a nonliving organism. 57. The necrotic ring spot disease of stone fruits (cherry, peach, plum, etc.)is caused by. A) Molybdenum deficiency. B) Virus. C) A bacterium. D) Fungal infection. Show Answer Correct Answer: B) Virus. 58. Come in a variety of shapes and sizes A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) None of above. Show Answer Correct Answer: C) Both viruses and bacteria. 59. Which kingdom is autotrophic, multicellular, eukaryotic and has cells with a cell wall? A) Plantae. B) Protista. C) Fungi. D) Bacteria. Show Answer Correct Answer: A) Plantae. 60. Viruses can infect A) Plants. B) Animals. C) People. D) All of the above. Show Answer Correct Answer: D) All of the above. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesVirus And Bacteria Quiz 1Virus And Bacteria Quiz 2Virus 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