This quiz works best with JavaScript enabled. Home > Science > Biology > Virus And Bacteria – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 33 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What did traditional classification take into account when putting organisms in categories? A) DNA. B) RNA. C) Similar appearance. D) Types of cells. Show Answer Correct Answer: C) Similar appearance. 2. Why are advantageous traits more likely to be passed onto offspring? A) Because they are more likely to survive and reproduce. B) Because they come from dominant alleles. C) Because they come from recessive alleles. D) Because the trait is an acquired phenotype. Show Answer Correct Answer: A) Because they are more likely to survive and reproduce. 3. Compared to bacteria, viruses are much ..... A) Smaller. B) Larger. C) The same. D) None of above. Show Answer Correct Answer: A) Smaller. 4. Which system in our bodies fights infections? A) The digestive system. B) The immune system. C) The cardiovascular system. D) All of the above. Show Answer Correct Answer: B) The immune system. 5. How does the DNA of a bacteriophage enter a host cell? A) Injection. B) Endocytosis. C) Conjugation. D) Binary fission. Show Answer Correct Answer: A) Injection. 6. Which type of cell fights off harmful bacteria? A) White blood cell. B) Red blood cell. C) Skin cell. D) Nerve cell. Show Answer Correct Answer: A) White blood cell. 7. Can be treated with antibiotics A) Viruses. B) Bacteria. C) Both. D) None of above. Show Answer Correct Answer: B) Bacteria. 8. Which term best describes an organism that lives in or on another organisms? A) Decomposer. B) Predator. C) Parasite. D) Consumer. Show Answer Correct Answer: C) Parasite. 9. Where do viruses reproduce? A) Outside of a cell. B) Inside of a cell. C) They do not reproduce. D) None of above. Show Answer Correct Answer: B) Inside of a cell. 10. The three basic shapes of bacteria cells are A) Spherical, pyramid, and prism. B) Rod-like, double helix, and conical. C) Spiral, oval, elliptical. D) Spiral, rod-like, and spherical. Show Answer Correct Answer: D) Spiral, rod-like, and spherical. 11. Prokaryotes do not have a nucleus. Which of the following is an example of a prokaryote? A) Virus. B) Plant. C) Bacteria. D) Fungi. Show Answer Correct Answer: C) Bacteria. 12. An anaerobic species of the bacterium Clostridium causes a very serious disease in human population. Which of the following diseases is it? A) Botulism. B) Pneumonia. C) Tuberculosis. D) Typhoid. Show Answer Correct Answer: A) Botulism. 13. What is classification of life based on? A) Structure and type of cells. B) Function and number of cells. C) Number of cells only. D) Structure and function. Show Answer Correct Answer: D) Structure and function. 14. Which of the following is a way to prevent viruses? A) Antibiotics. B) Antiviral medications. C) Vaccines. D) Wash your hands. Show Answer Correct Answer: C) Vaccines. 15. To replicate in either the lytic or lysogenic cycle, a virus must have A) A host. B) Another parent. C) Both DNA and RNA. D) None of above. Show Answer Correct Answer: A) A host. 16. A bacterium divides every minute and takes an hour to fill a cup, How much time will it take to fill half the cup? A) 15 minutes. B) 30 minutes. C) 59 minutes. D) 60 minutes. Show Answer Correct Answer: A) 15 minutes. 17. Which of the following is the least closely related animal:Gray Wolf:Canis lupusAardwolf:Proteles cristatusCoyote:Canis latrans A) Coyote. B) Aardwolf. C) Gray Wolf. D) Need more information on body characteristics. Show Answer Correct Answer: B) Aardwolf. 18. "Algae" is a general term used to describe ..... like protists. A) Plant. B) Fungi. C) Animal. D) Bacteria. Show Answer Correct Answer: A) Plant. 19. Which disease is not caused by bacteria? A) Strep throat. B) Pneumonia. C) Food poisoning. D) Influenza (the Flu). Show Answer Correct Answer: D) Influenza (the Flu). 20. Lacks a nucleus, contains organelles, reproduces through binary fission. A) Plant cell. B) Bacterial cell. C) Virus. D) Animal cell. Show Answer Correct Answer: B) Bacterial cell. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books