This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 230 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 230 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Choose the most elastic substance from the following A) Gold. B) Steel. C) Iron. D) Rubber. Show Answer Correct Answer: B) Steel. 2. It is the fastest healing organ. A) Tongue. B) Nose. C) Eyes. D) Ears. Show Answer Correct Answer: A) Tongue. 3. Ca(OH)2 $\rightarrow$ CaO + H2O 1. Balance the equation 2. What type reaction is this? A) 1:1:1 Synthesis. B) 1:1:1 Double Replacement. C) 1:1:1 Decomposition. D) 1:2:1 Decomposition. Show Answer Correct Answer: C) 1:1:1 Decomposition. 4. A huge super continent from 200 million years ago A) Light year. B) Tides. C) Pag. D) Comet. E) Tsunamis. Show Answer Correct Answer: C) Pag. 5. (1) Schematic diagrams indicate the location of individual components in the aircraft(2) Schematic diagrams indicate the location of components with respect to each other within the system A) Only 2 is true. B) Only 1 is true. C) Both 1 and 2 are true. D) None of above. Show Answer Correct Answer: C) Both 1 and 2 are true. 6. Compared to its weight on Earth, how much does a 10 kg object weigh on the moon? A) More. B) Less. C) The same amount. D) No one knows this. Show Answer Correct Answer: B) Less. 7. Why does air pressure decrease with increasing of the elevation (height)? A) Due to decrease in air temperature. B) Due to decrease in air density. C) Due to increase in air humidity. D) Due to increase in air speed. Show Answer Correct Answer: B) Due to decrease in air density. 8. The moon is a natural satellite that orbits the Earth. A) True. B) False. Show Answer Correct Answer: A) True. 9. A change from gas to liquid involves a..... in temperature A) Increase. B) Decrease. Show Answer Correct Answer: B) Decrease. 10. What is a condition that may change when a scientist changes the independent variable in an experiment? A) Qualitative data. B) Resource. C) Observation. D) Dependent variable. Show Answer Correct Answer: D) Dependent variable. 11. What is listed in the Periodic Table? A) Compounds. B) Elements. C) Gases. D) Metals. Show Answer Correct Answer: B) Elements. 12. Plants release what gas into the atmosphere? A) Hydrogen. B) Oxygen. C) Carbon dioxide. D) Chlorine. Show Answer Correct Answer: B) Oxygen. 13. A piece of wooden beam is cut and split into two parts, this is an example of the process of change ..... A) Physics. B) Chemistry. C) Biology. D) Mathematics. Show Answer Correct Answer: A) Physics. 14. What is the sex determination of a child A) From the chromosomes of the mother. B) From father's chromosomes. C) Both. D) None of them. Show Answer Correct Answer: B) From father's chromosomes. 15. What organ in the human body produces insulin? A) Heart. B) Lung. C) Liver. D) Pancreas. Show Answer Correct Answer: D) Pancreas. 16. All echinoderms live in the water A) True. B) False. Show Answer Correct Answer: A) True. 17. All metals exit usually in the solid state except..... A) Zinc. B) Iron. C) Mercury. D) Aluminum. Show Answer Correct Answer: C) Mercury. 18. What is a meteor called when it reaches Earth's surface? A) Meteorite. B) Rock. C) Space dust. D) Twilight sparkle. Show Answer Correct Answer: A) Meteorite. 19. Symbol of A) Hg. B) W. C) Na. D) H. Show Answer Correct Answer: B) W. 20. The branch of astronomy that deals with the nature and origin of the physical features of the moon. A) Astrology. B) Selenology. C) Pedology. D) Limnology. Show Answer Correct Answer: B) Selenology. ← PreviousNext →Related QuizzesScience QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 4General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8General Science Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books