This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 4 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Who is constructed in the red bone marrow A) Reddish. B) White blood cell. C) Both. D) None of them. Show Answer Correct Answer: A) Reddish. 2. Mantle is made up of silicate rocks but it behaves like a viscous fluid. A) True. B) False. C) Truffles. D) Trolls. Show Answer Correct Answer: A) True. 3. What diagrams show the principal of operation of an aircraft system and are often used for troubleshooting and training purposes? A) Installation Diagrams. B) Assembly Diagrams. C) Schematic Diagrams. D) None of above. Show Answer Correct Answer: C) Schematic Diagrams. 4. There is no significant smell in fresh urine, but after some time it starts to smell like ammonia. A) Because urea turns into acid by bacteria. B) Because urea turns into a base by bacteria. C) Because urea turns into monias by bacteria. D) Because urea turns into ammonia by bacteria. Show Answer Correct Answer: D) Because urea turns into ammonia by bacteria. 5. All of the following are greenhouse gases except A) Water vapor. B) Oxygen. C) Carbon dioxide. D) Nitrous oxide. Show Answer Correct Answer: B) Oxygen. 6. If a feather and a penny are dropped down a long tube that has no air in it, they hit at the same time! A) True. B) False. Show Answer Correct Answer: A) True. 7. How much of our planet is covered in water? A) 75%. B) 30%. C) 85%. D) 50%. Show Answer Correct Answer: A) 75%. 8. ..... studies the organisms living in or around the ocean A) Ecology. B) Marine biology. C) Marine science. D) Ecosystems. Show Answer Correct Answer: B) Marine biology. 9. What are the two equinoxes called? A) Vernal equinox and autumnal equinox. B) Hot equinox and cold equinox. C) Spring equinox and fall equinox. D) Summer equinox and winter equinox. Show Answer Correct Answer: A) Vernal equinox and autumnal equinox. 10. A Weather Instrument-is any device that measures..... A) Time and space. B) Cups of kool-aid. C) Weather-related conditions. D) How should I know? I'm Nine!. Show Answer Correct Answer: C) Weather-related conditions. 11. A scientific..... is a broad explanation for events that is widely accepted as true. A) Law. B) Theory. C) Observation. D) Method. Show Answer Correct Answer: B) Theory. 12. What is the process called when a plant takes in carbon dioxide and releases oxygen? A) Photosynthesis. B) Respiration. C) Transpiration. D) Germination. Show Answer Correct Answer: A) Photosynthesis. 13. The only way an experiment is a success, is if the data supports the hypothesis. A) True. B) False. Show Answer Correct Answer: B) False. 14. A metal spoon heating up in a bowl of hot soup A) Conduction. B) Convection. C) Radiation. D) None of above. Show Answer Correct Answer: A) Conduction. 15. Food is normally digested in A) Large Intestine. B) Small Intestine. C) Liver. D) Oesophagus. Show Answer Correct Answer: B) Small Intestine. 16. Who named the smallest structural and functional unit of an organism? A) Albert Einstein. B) Robert Hooke. C) Marie Curie. D) Margaret Beazley. Show Answer Correct Answer: B) Robert Hooke. 17. Flowchart that used standardized symbols to indicate specific types of logic gates and their relationship to other digital devices in a system is what type of flowchart is it? A) Logic flowcharts. B) Pneumatic flowcharts. C) Fluid flowcharts. D) None of above. Show Answer Correct Answer: A) Logic flowcharts. 18. Which one of the following is an omnivorous organism? A) Lion. B) Crow. C) Horse. D) Cow. Show Answer Correct Answer: D) Cow. 19. Which earth material is used to make electrical wires for buildings? A) Iron. B) Copper. C) Coal. D) Diamonds. Show Answer Correct Answer: B) Copper. 20. Where is cinnamon obtained A) With trees bark. B) From plants bark. C) From the bark of lentils. D) None of them. Show Answer Correct Answer: A) With trees bark. ← PreviousNext →Related QuizzesScience QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8General Science Quiz 9General Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books