This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Virus And Bacteria – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why is classification important? A) It helps them fight off infectious diseases. B) It helps everyone know what the common name of the organisms is and it establishes a relationship pattern. C) It helps scientist find relationships between organisms and it provides a universal name. D) None of above. Show Answer Correct Answer: C) It helps scientist find relationships between organisms and it provides a universal name. 2. What does HIV do to a person's body when there are no symptoms for a period of time? A) Damages the immune system. B) Damages the respiratory system. C) Damages the integumentary system. D) Damages the nervous system. Show Answer Correct Answer: A) Damages the immune system. 3. I am a single-celled microscopic organism. My cell has no nucleus, and I live down at hydrothermal vents at the bottom of the ocean where there is no oxygen. A) Eukarya. B) Bacteria. C) Archaea. D) None of above. Show Answer Correct Answer: A) Eukarya. 4. Which of the following is not a typical shape of a bacterium? A) Cube. B) Rod. C) Sphere. D) Spiral. Show Answer Correct Answer: A) Cube. 5. A strong, flexible polysaccharide that is found in the cell walls of all fungi and in the exoskeletons of insects and crustaceans. A) Fruiting body. B) Chitin. C) Mycelium. D) Hyphase. Show Answer Correct Answer: B) Chitin. 6. A weakened or inactive version of a pathogen that stimulates the body's production of antibodies which can aid in destroying the pathogen A) Antibiotic. B) Anti-viral. C) Vaccine. D) Replicate. Show Answer Correct Answer: C) Vaccine. 7. The process by which bacteria use sunlight to produce food. A) Chemosynthesis. B) Photosynthesis. C) Heterotroph. D) Autotroph. Show Answer Correct Answer: B) Photosynthesis. 8. Which of the following levels of classification will have the MOST organisms in their groups. A) Family. B) Species. C) Class. D) Genus. Show Answer Correct Answer: C) Class. 9. Thrush is also known as A) Athlete's Foot. B) Red Tide. C) Candida. D) Histoplasmosis. Show Answer Correct Answer: C) Candida. 10. If a bacterial shape is described as being "strepto" smart patients know the bacteria is growing in a A) Clump. B) Cluster. C) Chain. D) None of above. Show Answer Correct Answer: C) Chain. 11. What is the name of the stretch of DNA where RNA polymerase binds? A) Origin. B) Enhancer. C) Operator. D) Promoter. Show Answer Correct Answer: D) Promoter. 12. This is a microscopic prokaryote that does not have a nucleus ..... A) Virus. B) Fungi. C) Bacteria. D) Bacteria & viruses. Show Answer Correct Answer: C) Bacteria. 13. A pathogen ..... A) Makes proteins. B) Causes infection or disease. C) Is a living thing. D) Is made of cells. Show Answer Correct Answer: B) Causes infection or disease. 14. What type of cells contain a nucleus? A) Virus cells. B) Eukaryotic cells. C) Bacterial cells. D) Prokaryotic cells. Show Answer Correct Answer: B) Eukaryotic cells. 15. Many bacteria protect themselves in harsh conditions by forming tough coverings called A) Bacteriophage. B) Streptococcus. C) Endospores. D) Antibodies. Show Answer Correct Answer: C) Endospores. 16. Archaea that live in hot areas like a Yellowstone hot spring ..... A) Methanogens. B) Halophiles. C) Acidophiles. D) Thermophiles. Show Answer Correct Answer: D) Thermophiles. 17. Much of our present-day knowledge in Molecular Genetics has been obtained by using the bacterium E.coli If we were to collect samples of this bacterium where should we look for it? A) Soil. B) Stagnant water. C) Human intestine. D) Refuse dumps. Show Answer Correct Answer: C) Human intestine. 18. What is the role of operons in prokaryote gene expression? A) It makes the genes prokaryotes be turned on. B) It accounts for the regulation of gene activity in response to the needs of the cells. C) To make DNA for the gene. D) To make the gene turn of and off. Show Answer Correct Answer: B) It accounts for the regulation of gene activity in response to the needs of the cells. 19. This infectious viral disease has many symptoms, from chills, fever, and aching muscles to coughing and sneezing to nausea and vomiting. The symptoms show up within 2-7 days after the cell is infected. This is an example of? A) Lytic Cycle. B) Lysogenic Cycle. C) Meiosis. D) None of above. Show Answer Correct Answer: A) Lytic Cycle. 20. Substances pass in and out of a cell through the: A) Mitochondria. B) Nuclear membrane. C) Nucleus. D) Cell membrane. Show Answer Correct Answer: D) Cell membrane. 21. What makes up the outside part of a virus? A) Protein coat (capsid). B) Cell wall. C) Cell membrane. D) Flagellum. Show Answer Correct Answer: A) Protein coat (capsid). 22. Where do good bacteria live? A) In our liver. B) In our stomachs. C) In our intestines. D) None of above. Show Answer Correct Answer: C) In our intestines. 23. What is used to prevent viral infection? A) Antibiotics. B) Antiparallel. C) Vaccines, an injection of a weakened virus. D) Victor. Show Answer Correct Answer: C) Vaccines, an injection of a weakened virus. 24. Canis lupus and Canis latrans both belong to the same ..... A) Family. B) Species. C) Genus. D) Group. Show Answer Correct Answer: C) Genus. 25. One important way to control the spread of viruses in through A) The use of vaccines. B) Drinking a lot of tea. C) The use of other types of bacteria. D) The use of antibiotics. Show Answer Correct Answer: A) The use of vaccines. 26. Producer bacteria A) Consume other organisms. B) Break down decayed organisms. C) Make their own food through photosynthesis. D) Break down chemicals. Show Answer Correct Answer: C) Make their own food through photosynthesis. 27. Cause of common cold and flu. A) Viruses. B) Bacteria. C) Reaction by the body to substances. D) None of above. Show Answer Correct Answer: A) Viruses. 28. Which of the following is a bacterial disease? A) Red stripe of sugarcane. B) Red rot of sugarcane. C) Early blight of potatoes. D) Loose smut of wheat. Show Answer Correct Answer: A) Red stripe of sugarcane. 29. What structure is used for movement? A) Cytoplasm. B) Golgi bodies. C) Flagella. D) Ribosomes. Show Answer Correct Answer: C) Flagella. 30. Which of the following is characteristic of the lytic cycle? A) A large number of phages are released at a time. B) The virus-host relationship usually lasts for generations. C) Viral DNA is incorporated into the host genome. D) The viral genome replicates without destroying the host. Show Answer Correct Answer: A) A large number of phages are released at a time. 31. All answers listed below are true about bacteria except A) All bacteria are prokaryotes. B) All bacteria are harmful. C) All bacteria are unicellular. D) Bacteria do not have nucleus. Show Answer Correct Answer: B) All bacteria are harmful. 32. If a microbe lacks the basic cellular structure to reproduce, how does it make copies of itself? A) By creating new cells. B) By combining an egg and a sperm. C) By using the structures of the host cell. D) By dividing the nucleus to make two new microbes. Show Answer Correct Answer: C) By using the structures of the host cell. 33. The ideal temp for bacteria is: A) 27 degrees F. B) 32 degrees F. C) Above 140 degrees F. D) 98.6 degrees F. Show Answer Correct Answer: D) 98.6 degrees F. 34. A non-living infectious organism A) Bacteria. B) Amoeba. C) Virus. D) Euglena. Show Answer Correct Answer: C) Virus. 35. Which of the following is NOT a type of archeabacteria? A) Methanogen. B) Halophile. C) Heterotroph. D) None of above. Show Answer Correct Answer: C) Heterotroph. 36. Which of the following pieces of evolution evidence contain both homologous and vestigial structures? A) Comparing embryology. B) Comparing anatomy. C) Comparing biochemistry. D) Fossil record. Show Answer Correct Answer: B) Comparing anatomy. 37. The two diseases that most often kill AIDS victims are. 1. Kaposi, s sarcoma 2. Lymphangioma 3.Pneumocystis carinii pneumonia 4.Systemic Lupus erythromatosus A) 1 and 2. B) 2 and 3. C) 1 and 3. D) 3 and 4. Show Answer Correct Answer: C) 1 and 3. 38. Which types of viral infections do not immediately harm the cell? A) Lytic. B) Neither. C) Lysogenic. D) Endospore. Show Answer Correct Answer: C) Lysogenic. 39. What is used to treat bacterial infections in most cases? A) Bacterial infections cannot be treated. B) Herbal remedies. C) Antibiotics. D) Vaccines. Show Answer Correct Answer: C) Antibiotics. 40. Which domain contains all organisms that have a nucleus? A) Protista. B) Bacteria. C) Archae. D) Eukarya. Show Answer Correct Answer: D) Eukarya. 41. Ribosomes located within bacteria are used to produce A) Chromosomes. B) Viruses. C) Proteins. D) More bacteria. Show Answer Correct Answer: C) Proteins. 42. The main way that Archae are different than bacteria is ..... A) Archae do not contain DNA. B) Archae do not have a cell wall. C) Archae live in extreme environments. D) Archae are not prokaryotes. Show Answer Correct Answer: C) Archae live in extreme environments. 43. Which of the following do we not use bacteria to make? A) Fruit. B) Cheese. C) Milk. D) Sauerkraut. Show Answer Correct Answer: A) Fruit. 44. ..... transmit signals like messengers between motor and sensory neurons. A) Sensory. B) Motor. C) Inter. D) None of above. Show Answer Correct Answer: C) Inter. 45. Bird wings and butterfly wings are an example of A) Camoflague. B) Mimicry. C) Analogous structure. D) Homologous structure. Show Answer Correct Answer: C) Analogous structure. 46. Which of these is characteristic of both viruses and bacteria? A) They get their energy from their environment. B) They can reproduce on their own. C) They can form crystals and become dormant. D) They contain proteins and nucleic acids. Show Answer Correct Answer: D) They contain proteins and nucleic acids. 47. Euglena move with whiplike structure called? A) Flagella. B) Spirilla. C) Protista. D) None of above. Show Answer Correct Answer: A) Flagella. 48. Causes HIV, ebola & the flu A) Viruses. B) Bacteria. C) Both. D) None of above. Show Answer Correct Answer: A) Viruses. 49. Which of the following is a viral infection? A) Influenza. B) Cholera. C) Tuberculosis. D) Strep throat. Show Answer Correct Answer: A) Influenza. 50. Bacteria help cows ..... A) Digest cellulose. B) Jump over the moon. C) Do basic arithmetic. D) Produce milk. Show Answer Correct Answer: A) Digest cellulose. 51. Why are viruses considered pathogens? A) They harm the cells they enter. B) They multiply. C) They use their own energy to develop. D) They make their own food. Show Answer Correct Answer: A) They harm the cells they enter. 52. Is all bacteria bad? A) No, most is good or harmless. B) Yes, most will get you sick. C) Most bacteria is actually not very well known. D) None of above. Show Answer Correct Answer: A) No, most is good or harmless. 53. Some bacteria are ..... and can harm living organisms. A) Parasites. B) Protozoas. C) Eukaryotes. D) Symbiotic. Show Answer Correct Answer: A) Parasites. 54. Which component of a virus is injected into an infected cell? A) Mitochondrion. B) Protein capsid. C) Tail section. D) Nucleic acid. Show Answer Correct Answer: D) Nucleic acid. 55. Thrush is caused by A) Algae. B) Yeast. C) Salmonella. D) Bacteria. Show Answer Correct Answer: B) Yeast. 56. Which of these items can be applied to bacteria to kill them? A) Carbon dioxide. B) Sunlight. C) Heat. D) Phosphorus. Show Answer Correct Answer: C) Heat. 57. When a virus or disease successfully spreads around the world, people call it a ..... A) High-level infection. B) Eukaryote. C) Epidemic. D) Pandemic. Show Answer Correct Answer: D) Pandemic. 58. I am only made of one cell. My cell does not have an organized nucleus. I only have one parent. Sometimes I make my own food, but other times, I eat food. I like to live in volcano vents, salt water of deep oceans, or the freezing cold Arctic. A) Bacteria. B) Archaea. C) Eukarya. D) None of above. Show Answer Correct Answer: B) Archaea. 59. Which of the following is not part of the reproduction cycle of HIV? A) Reverse transcription of the viral RNA. B) Reverse transcription of the viral DNA. C) Biosynthesis of the viral mRNA. D) Maturation of the viruses. Show Answer Correct Answer: B) Reverse transcription of the viral DNA. 60. (Taxonomy) How many common names does an organism have? A) 3. B) 2. C) 1. D) Many. Show Answer Correct Answer: D) Many. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesVirus And Bacteria Quiz 1Virus And Bacteria Quiz 2Virus And Bacteria Quiz 3Virus 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