This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 45 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A process of heating food to a temperature that kills most harmful bacteria is called ..... A) Bioremediation. B) Replication. C) Botulism. D) Pasteurization. Show Answer Correct Answer: D) Pasteurization. 2. The bacteria Kingdom where you can find bacteria from extreme environments is called A) Archaebacteria. B) Eubacteria. C) Viruses. D) Cyanobacteria. Show Answer Correct Answer: A) Archaebacteria. 3. Smallpox is caused by. A) Bacteria. B) Fungus. C) Virus. D) Algae. Show Answer Correct Answer: C) Virus. 4. What is the difference between unicellular and multicellular? A) They are the same. B) One has a nucleus and one doesn't. C) Unicellular has one cell and multicellular has many. D) One is bacteria and the is archaebacteria. Show Answer Correct Answer: C) Unicellular has one cell and multicellular has many. 5. During an experiment a scientist observed prokaryotes that lived near volcanic vents deep in the ocean. The scientist must likely observed A) Photoautotrophs. B) Chemoautotrophs. C) Heterotrophs. D) Photoheterotrophs. Show Answer Correct Answer: B) Chemoautotrophs. 6. What do all bacteria have in common? A) They all have cell nuclei. B) They're all multi-cellular organisms. C) They're all single-celled organisms. D) They can all be found inside the human body. Show Answer Correct Answer: C) They're all single-celled organisms. 7. Why do we use scientific names? A) Because we like to sound smart. B) Because they are recognized world wide. C) Because organisms only have one common name and it makes it easier. D) What? What are scientific names?. Show Answer Correct Answer: B) Because they are recognized world wide. 8. One or more small circular pieces of DNA in a bacterial cell A) Plasmid. B) Capsule. C) Pili. D) Flagella. Show Answer Correct Answer: A) Plasmid. 9. What is not used when naming viruses? A) Binomial nomenclature. B) Where they were found. C) Who discovered them. D) What they cause. Show Answer Correct Answer: A) Binomial nomenclature. 10. Which statement about bacteria is true? A) Bacteria help you breath. B) Bacteria help you digest your food. C) Bacteria help add carbon dioxide to the atmosphere. D) All bacteria need sunlight to make food. Show Answer Correct Answer: B) Bacteria help you digest your food. 11. An organism is a multicellular autotroph with a cell wall of cellulose. To which kingdom does it belong? A) Protista. B) Fungi. C) Plantae. D) Eubacteria. Show Answer Correct Answer: C) Plantae. 12. The disease that is caused by viral infection is. A) Typhoid. B) Cholera. C) Common cold. D) Tetanus. Show Answer Correct Answer: C) Common cold. 13. What might happen if you didn't have bacteria in your digestive tract? A) Your intestines would shut down. B) Your body couldn't break down certain types of food. C) You would never get sick. D) You wouldn't be able to eat vegetables. Show Answer Correct Answer: B) Your body couldn't break down certain types of food. 14. A thick walled structure that helps protect the bacteria is called the A) Cell wall. B) Nucleoid. C) Flagella. D) Endospore. Show Answer Correct Answer: D) Endospore. 15. An example of an emerging viral disease is: A) Ebola. B) Chicken pox. C) West Nile. D) Lyme Disease. Show Answer Correct Answer: A) Ebola. 16. What's the difference between archaea and bacteria? A) There is no difference. B) Archaea is single celled and bacteria is multi-celled. C) Archaea is less common and bacteria is found everywhere. D) None of above. Show Answer Correct Answer: C) Archaea is less common and bacteria is found everywhere. 17. A virus can only 'replicate' (reproduce) when it ..... A) Has enough food. B) Gets big enough. C) Is attached to a host cell. D) Feels like it. Show Answer Correct Answer: C) Is attached to a host cell. 18. Layer outside the cell membrane that gives the bacterial cell a solid shape. A) Cytoplasm. B) Cell wall. C) Plasma membrane. D) Pilli. Show Answer Correct Answer: B) Cell wall. 19. Conjugation is A) Sexual reproduction. B) The passing of a DNA plasmid from one bacteria to another. C) The joining of sentences with the words "and" or "or". D) The way bacteria make food. Show Answer Correct Answer: B) The passing of a DNA plasmid from one bacteria to another. 20. Which of the 4 Kingdoms contain all autotrophic organisms? A) Anamalia. B) Fungi. C) Plantae. D) Protista. Show Answer Correct Answer: C) Plantae. ← 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