This quiz works best with JavaScript enabled. Home > Agriculture > Science > Microbiology > Microbiology Agriculture – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Microbiology Agriculture Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which would be least effective in preventing the spread of a disease-causing organism? A) Using vaccines. B) Decreasing pesticide use. C) Using antibiotics. D) None of above. Show Answer Correct Answer: B) Decreasing pesticide use. 2. Which leads to the conclusion that strep throat is a bacterial infection? A) A person who has strep throat can never have it again. B) A strep infection will go away without being treated. C) Strep throat is treated with antibiotics. D) Strep throat is treated with vaccines. Show Answer Correct Answer: C) Strep throat is treated with antibiotics. 3. How do viruses cause disease? A) By secreting toxins. B) By competing with healthy cells for nutrients. C) By producing excess waste. D) By damaging or killing cells. Show Answer Correct Answer: D) By damaging or killing cells. 4. A compound that kills or slow the growth of bacteria A) Antiseptics. B) Antibiotics. C) Vaccines. D) Viricides. Show Answer Correct Answer: B) Antibiotics. 5. Bacterial infections are treated with ..... A) Antifungals. B) Vaccines. C) Antibiotics. D) Antivirals. Show Answer Correct Answer: C) Antibiotics. 6. Which person would benefit most from biotechnology? A) An architect. B) An automobile engineer. C) A cook. D) A farmer. Show Answer Correct Answer: D) A farmer. 7. Which disease can be successfully treated with antibiotics? A) Influenza. B) Common cold. C) Polio. D) Lyme disease. Show Answer Correct Answer: D) Lyme disease. 8. Which of the following is not a living organism? A) Bacteria. B) Parasite. C) Fungus. D) Virus. Show Answer Correct Answer: D) Virus. 9. The bacteria that causes bubonic plague is transmitted to humans by fleas. Which term BEST describes the role of the fleas in transmitting bubonic plague A) Vector. B) Pathogen. C) Parasite. D) Decomposer. Show Answer Correct Answer: A) Vector. 10. Which microorganisms requires a host cell to reproduce? A) Bacteria. B) Fungi. C) Viruses. D) None of above. Show Answer Correct Answer: C) Viruses. 11. Which is the BEST way to help prevent the flu from becoming a pandemic? A) Getting a vaccination. B) Taking antibiotics. C) Eating fruits and vegetables. D) Washing hands often. Show Answer Correct Answer: A) Getting a vaccination. 12. Study of agriculturally relevant microorganisms. A) Environmental Microbiology. B) Agricultural Microbiology. C) Industrial Microbiology. D) Microbial Biotechnology. Show Answer Correct Answer: B) Agricultural Microbiology. 13. A large number of patients in a hospital have all developed the same bacterial infection. Which is MOST LIKELY the cause of the infection spreading from patient to patient? A) Unsanitary practices. B) Polluted air. C) Contaminated water. D) Unhealthy eating habits. Show Answer Correct Answer: A) Unsanitary practices. 14. Which process describes how many pure-bred dogs have been produced? A) Cloning. B) Crossbreeding. C) Selective breeding. D) None of above. Show Answer Correct Answer: C) Selective breeding. 15. Which type of microbe reproduces by binary fission? A) Fungi. B) Viruses. C) Bacteria. D) Protists. Show Answer Correct Answer: C) Bacteria. 16. Ten people became sick with the flu after attending a school dance. What scenario could BEST explain how people got sick? A) Contact with a contaminated object. B) Contact with an infected animal. C) Contact with environmental sources. D) Contact with an infected person. Show Answer Correct Answer: D) Contact with an infected person. 17. Which is true regarding bacterial and viral infections? A) Bacterial infections are treated with antibiotics, while viral infections can be prevented through use of vaccines. B) Viral infections are treated with vaccines, while bacterial infections are prevented through use of antibiotics. C) Viral infections are treated with antibiotics, while bacterial infections are treated with vaccines. D) Both viral infections and bacterial infections are treated with vaccines. Show Answer Correct Answer: A) Bacterial infections are treated with antibiotics, while viral infections can be prevented through use of vaccines. 18. Which pair correctly matches a vector and the infectious disease it carries? A) Human - influenza. B) Opossum - rabies. C) Mosquito - malaria. D) None of above. Show Answer Correct Answer: C) Mosquito - malaria. 19. Which of the following characteristics of bacteria is FALSE? A) Peptidoglycan cell wall. B) Eukaryotic cells. C) Divide by binary fission. D) One of its is bacillus. Show Answer Correct Answer: B) Eukaryotic cells. 20. Which is the main risk associated with being a disease carrier? A) A carrier is more difficult to cure than others. B) A person is more likely to die once he or she becomes a carrier. C) A carrier unknowingly spread the disease to others. D) A carrier can use up all of the available medicine in a local area. Show Answer Correct Answer: C) A carrier unknowingly spread the disease to others. 21. Why do doctors suggest getting the flu vaccine every year? A) Viruses replicate more rapidly over time. B) Vaccines are absorbed in the body after a year. C) Viruses can mutate from year to year. D) Vaccines get stronger over time. Show Answer Correct Answer: C) Viruses can mutate from year to year. 22. Which most likely spreads diseases such as rabies or Lyme disease? A) Contact with an infected animal. B) Contact with an infected human. C) Breathing contaminated air. D) Ingesting contaminated food. Show Answer Correct Answer: A) Contact with an infected animal. 23. Which makes it possible for a person who has recovered from a cold to catch another cold? A) A cold is a bacterial infection present only during the winter months. B) A cold is a bacterial infection that remains active in the body. C) A cold is a viral infection with many different strains. D) A cold is a viral infection that remains active until treated with antibiotics. Show Answer Correct Answer: C) A cold is a viral infection with many different strains. 24. ..... is a poison produced by disease-causing organisms A) Microorganism. B) Toxin. C) Pathogen. D) Antigen. Show Answer Correct Answer: B) Toxin. 25. Which of these describes a pandemic rather than an epidemic? A) Many people in an area become sick from a disease. B) Public health scientists monitor an try to stop the spread of a disease. C) The origin of a disease remains a mystery. D) A disease spreads internationally over the course of a year. Show Answer Correct Answer: D) A disease spreads internationally over the course of a year. 26. Which statement best describes the size of a virus compared to the size of a bacteria? A) Bacteria are small, while viruses are larger. B) Bacteria are large, while viruses are larger. C) Bacteria are small while viruses are smaller. D) Bacteria and viruses are the same size. Show Answer Correct Answer: C) Bacteria are small while viruses are smaller. 27. The point of genetic engineering is to transfer useful traits/characteristics such as: A) Pest resistance. B) Disease resistance. C) Drought tolerance. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. In which organ system of the human body would a doctor most likely find a parasite? A) Nervous system. B) Digestive system. C) Skeletal system. D) Muscular system. Show Answer Correct Answer: B) Digestive system. 29. Which is an example of a parasitic disease? A) Polio. B) Tuberculosis. C) Strep throat. D) Malaria. Show Answer Correct Answer: D) Malaria. 30. Which type of microbe is prokaryotic? A) Fungi. B) Protists. C) Bacteria. D) Viruses. Show Answer Correct Answer: C) Bacteria. ← PreviousNext →Related QuizzesScience QuizzesAgriculture QuizzesMicrobiology Agriculture Quiz 1Microbiology Agriculture Quiz 2Microbiology Agriculture Quiz 3Microbiology Agriculture Quiz 5Microbiology Agriculture Quiz 6Microbiology Agriculture Quiz 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books