This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 20 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 20 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Bacteria are classified as prokaryotes because they are missing A) A cell wall. B) Genetic material. C) A nucleus. D) Ribosomes. Show Answer Correct Answer: C) A nucleus. 2. Bacteria can be helpful by ..... A) Helping us digest food. B) Making cheese. C) Breaking down dead organisms. D) All of these. Show Answer Correct Answer: D) All of these. 3. Bacteria that survive in extreme environments belong to which kingdom? A) Kingdom Fungi. B) Kingdom Protista. C) Kingdom Eubacteria. D) Kingdom Archaebacteria. Show Answer Correct Answer: D) Kingdom Archaebacteria. 4. A bacteria cell takes up a segment of naked DNA. A) Conjugation. B) Transduction. C) Transformation. D) Plasmolysis. Show Answer Correct Answer: C) Transformation. 5. How do fungi reproduce? A) They release spores. B) They grow together, then develop another mushroom. C) When 1 mushroom is on the tree, the mushroom spreads and creates a baby mushroom. D) None of above. Show Answer Correct Answer: A) They release spores. 6. Which Fungus is used to make antibiotics? A) Yeast. B) Penicillium. C) Mushrooms. D) None of above. Show Answer Correct Answer: B) Penicillium. 7. What is the role played by non-pathogenic bacteria? A) They cause diseases. B) They do not cause diseases. C) They are of no use. D) They attack only plants. Show Answer Correct Answer: B) They do not cause diseases. 8. Which of the following has the correct sequence for the Lytic cycle? A) Attach, Assembly, Inject, Replicate, Lysis. B) Lysis, Assembly, Replicate, Inject, Attach. C) Attach, Inject, Replicate, Assembly, Lysis. D) None of above. Show Answer Correct Answer: C) Attach, Inject, Replicate, Assembly, Lysis. 9. Cells do which of the following? A) Respire. B) Take in nutrients. C) Produce wastes. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Viruses are difficult to treat because they A) Are very very sneaky. B) Are constantly mutating. C) Are immune to all medicines. D) Move too fast to catch. Show Answer Correct Answer: B) Are constantly mutating. 11. Some bacteria move by using a long, whip-like structures called: A) Tails. B) Cillia. C) Organs. D) Flagella. Show Answer Correct Answer: D) Flagella. 12. The more classification groups that two organisms have in common A) The more alike they are. B) Shows how vastly different they are. C) Shows they are unrelated. D) Shows that they are the exact same organism. Show Answer Correct Answer: A) The more alike they are. 13. HAve active reproduction through a lytic cycle A) Virus. B) Bacteria. C) Virus and bacteria. D) None of above. Show Answer Correct Answer: A) Virus. 14. Why are viruses considered to be nonliving organisms? A) They do not have genetic information. B) They are not able to move on their own. C) They do not interact with their environment. D) They are not able to reproduce without a host cell. Show Answer Correct Answer: D) They are not able to reproduce without a host cell. 15. Bacteria reproduce through what method? (be as specific as possible) A) Asexual reproduction. B) Sexual reproduction. C) Binary fission. D) Conjugation. Show Answer Correct Answer: C) Binary fission. 16. An organism that does not require oxygen in order to live A) Obligate anaerobe. B) Facultative anaerobe. C) Endospore. D) Obligate aerobe. Show Answer Correct Answer: A) Obligate anaerobe. 17. How does a virus cause a person to develop the common cold? A) Invades the host cell to reproduce. B) Removes energy from the host cell. C) Produces toxins in the host cell. D) Protects the host cell from bacteria. Show Answer Correct Answer: A) Invades the host cell to reproduce. 18. Unlike cells, viruses cannot have A) Both DNA and RNA. B) Proteins. C) A lipid membrane. D) None of above. Show Answer Correct Answer: A) Both DNA and RNA. 19. Which is regarded as a link between the living and the non-living? A) Amoeba. B) Virus. C) Bacteria. D) RNA. Show Answer Correct Answer: B) Virus. 20. A type of asexual reproduction in which an organism replicates its DNA and divides in half, producing two identical daughter cells A) Conjugation. B) Binary fission. C) Endospore. D) Nitrogen fixation. Show Answer Correct Answer: B) Binary fission. ← 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