This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 38 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 38 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If conditions are not right, bacteria can form a protective coat called a? A) Spore. B) Capsule. C) Box. D) None of above. Show Answer Correct Answer: A) Spore. 2. To what would the phrase "is not a cell but has the ability to reproduce within a living cell" best describe? A) An alga. B) A yeast. C) A bacterium. D) A virus. Show Answer Correct Answer: D) A virus. 3. Organelle that helps create proteins in the cell A) Ribosome. B) Cell Wall. C) Mitochondria. D) Lysosome. Show Answer Correct Answer: A) Ribosome. 4. Archaea that live in salty environments, like the Dead Sea ..... A) Acidophiles. B) Methanogens. C) Thermophiles. D) Halophiles. Show Answer Correct Answer: D) Halophiles. 5. What are the three shapes of bacteria? A) Circle, triangle, and square. B) Rods, spheres, and spirals. C) Spirals, rods, and circles. D) Rods, rectangles, and ovals. Show Answer Correct Answer: B) Rods, spheres, and spirals. 6. What do nitrogen fixing bacteria do for plants? A) Nothing. B) Change unusable atmospheric nitrogen into a usable form. C) Allow plants to take in carbon dioxide. D) Release water from the plant. Show Answer Correct Answer: B) Change unusable atmospheric nitrogen into a usable form. 7. Which of the following plant diseases is not a bacterial disease? A) Brown rot of potatoes. B) Citrus canker. C) Heart rot of beets. D) Red stripe of sugarcane. Show Answer Correct Answer: C) Heart rot of beets. 8. Bacterial cells are ..... A) Eukaryotic. B) Prokaryotic. C) Viruses. D) Fungal. Show Answer Correct Answer: B) Prokaryotic. 9. The actual organism (i.e. animal or plant) in/on which a parasite lives. A) Host. B) Host Cell. C) Mutation. D) Vector. Show Answer Correct Answer: A) Host. 10. Bacteria hurt us by breaking down our cells and producing? A) Toxins. B) Other bacteria. C) Viruses. D) Protein. Show Answer Correct Answer: A) Toxins. 11. What "Super Scientist" would most likely study organisms in kingdom Fungi? A) Botanist. B) Hydrologist. C) Ichthyologist. D) Mycologist. Show Answer Correct Answer: D) Mycologist. 12. How do chemoautrophs obtain energy? A) From sunlight. B) From chemicals. C) From other organisms. D) From plants. Show Answer Correct Answer: B) From chemicals. 13. Which is not an extremophile? A) Halophile. B) Methanogen. C) Proteobacteria. D) Thermoacidophiles. Show Answer Correct Answer: C) Proteobacteria. 14. What type of fungi make bread rise? A) Yeast. B) Bacteria. C) Mushrooms. D) Club Mushrooms. Show Answer Correct Answer: A) Yeast. 15. Having students wash their hands frequently with soap and water will limit the spread of infectious diseases by A) Protecting harmless bacterial cells. B) Changing viral and bacterial nucleic acids. C) Releasing mutated cells from pores. D) Removing viruses and bacteria from the skin. Show Answer Correct Answer: D) Removing viruses and bacteria from the skin. 16. What is one question a scientist could ask when trying to find out if a cell belong in the Kingdoms Plantae, Fungi, or Eubacteria? A) What is the cell wall made of?. B) Does it have genetic material?. C) Does it belong to a living organism?. D) None of above. Show Answer Correct Answer: A) What is the cell wall made of?. 17. The process by which prokaryotes exchange genetic material is called ..... A) Binary fission. B) Conjugation. C) Meiosis. D) Asexual reproduction. Show Answer Correct Answer: B) Conjugation. 18. A tiny nonliving particle that invades and then reproduces inside a living cell. A) A Virus. B) Hidden Virus. C) Bacteria. D) None of these. Show Answer Correct Answer: A) A Virus. 19. What is the name of the protein coat surrounding a virus? A) Capsule. B) Envelope. C) Capsid. D) Spike. Show Answer Correct Answer: C) Capsid. 20. A microorganism that causes disease. There are 4 major types:viruses, bacteria, fungi and parasites. A) Virus. B) Pathogen. C) Fungi. D) Bacteria. Show Answer Correct Answer: B) Pathogen. ← 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 6Virus And Bacteria Quiz 7Virus And Bacteria Quiz 8Virus And Bacteria Quiz 9Virus And Bacteria Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books