This quiz works best with JavaScript enabled. Home > Science > Virus And Bacteria – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Virus And Bacteria Quiz 39 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Can a virus be good? A) Only when it kills my enemies. B) Naw, son . C) Maybe. D) Yes, when a scientist uses it for gene therapy. Show Answer Correct Answer: D) Yes, when a scientist uses it for gene therapy. 2. (Taxonomy) How many scientific names does an organism have? A) 1. B) 2. C) 3. D) Many. Show Answer Correct Answer: A) 1. 3. Rod-shaped bacteria is called A) Bacillus. B) Coccus. C) Spirillum. D) None of above. Show Answer Correct Answer: A) Bacillus. 4. Which taxonomic level includes the least number of organisms? A) Species. B) Kingdom. C) Order. D) Genus. Show Answer Correct Answer: A) Species. 5. Which of these can reproduce only when inside a host cell? A) Bacteria. B) Virus. C) Fungus. D) Parasite. Show Answer Correct Answer: B) Virus. 6. Particles of protein without a nucleic acid that affect the shapes of the host's proteins are calle: A) Bacteriophages. B) Emerging viruses. C) Prions. D) Pathogens. Show Answer Correct Answer: C) Prions. 7. ..... is when members of the same species have differences. A) Variation. B) Adaptation. C) Natural selection. D) Evolution. Show Answer Correct Answer: A) Variation. 8. Living things are classified into 3 domains. A) Animalia, Plantae and Bacteria. B) Eubacteria, Archaebacteria, and Eukarya. C) Prokaryotes and Eukaryotes. D) Bacteria, Archaea and Eukarya. Show Answer Correct Answer: D) Bacteria, Archaea and Eukarya. 9. May contain genetic information in the form of RNA A) Viruses. B) Bacteria. C) Both viruses and bacteria. D) None of above. Show Answer Correct Answer: A) Viruses. 10. Some bacteria move by using a long, whip-like structure called a(n) ..... A) Tail. B) Cillia. C) Organs. D) Flagellum. Show Answer Correct Answer: D) Flagellum. 11. Which of the following is a non-living particle? A) Eukaryotic cell. B) Virus. C) Prokaryotic cell. D) None of above. Show Answer Correct Answer: B) Virus. 12. What would happen to a virus if it couldn't find a host cell to invade? A) It wouldn't be able to multiply. B) It wouldn't be able to travel through the air. C) Its genetic information would wither away. D) . It would survive indefinitely. Show Answer Correct Answer: A) It wouldn't be able to multiply. 13. A substance that blocks the production of bacteria or treats bacterial infections is called? A) Asprin. B) Antibiotic. C) Band-Aid. D) None of above. Show Answer Correct Answer: B) Antibiotic. 14. One-celled living organisms classified by their body shpae A) Virus. B) Bacteria. C) Spirilla. D) Flagella. Show Answer Correct Answer: B) Bacteria. 15. Prokaryotic means A) No nucleus. B) Has a nucleus. C) No ribosomes. D) Has a mitochondria. Show Answer Correct Answer: A) No nucleus. 16. Bacterium are 1-5 $\mu$m wide, or 1-5 ..... A) Micrometers. B) Nanometers. C) Millimeters. D) Centimeters. Show Answer Correct Answer: A) Micrometers. 17. A disease causing agent is called a A) Pathogen. B) Poison. C) Vaccine. D) None of above. Show Answer Correct Answer: A) Pathogen. 18. Which carbohydrate is found in the cell wall of the Kingdom Fungi? A) Cellulose. B) Peptidoglycan. C) Chitin. D) None of above. Show Answer Correct Answer: C) Chitin. 19. An organism that requires a constant supply of oxygen in order to live A) Obligate aerobe. B) Falcultative anaerobe. C) Obligate anaerobe. D) Anaerobe. Show Answer Correct Answer: A) Obligate aerobe. 20. Mold and mushrooms belong to which kingdom? A) Protista. B) Plantae. C) Fungi. D) Animalia. Show Answer Correct Answer: C) Fungi. ← 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