This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 34 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 34 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the tallest type of grass? A) Sugar cane. B) Kentucky blue grass. C) Rice. D) Bamboo. E) Corn. Show Answer Correct Answer: D) Bamboo. 2. What is the second largest country (in size) in the world? A) Canada. B) USA. C) China. D) Russia. Show Answer Correct Answer: A) Canada. 3. Choose the correct answer:data which changes because it is related to (dependent upon) something else A) Independent variable. B) Dependent variable. Show Answer Correct Answer: B) Dependent variable. 4. A community of organisms that interact with each other and their physical environment A) Ecology. B) Ecosystem. C) Neighborhood. D) Marine group. Show Answer Correct Answer: B) Ecosystem. 5. The form of oxygen that combines three oxygen atoms per molecule (O3). A) Oxygen ions. B) Ozone. C) O2. D) All of these. Show Answer Correct Answer: B) Ozone. 6. What is the function of the cell membrane? A) Stores water. B) Regulates what moves in and out of the cell. C) Keep the cell in place. D) Place for photosynthesis. Show Answer Correct Answer: B) Regulates what moves in and out of the cell. 7. The gas we drink in soda or in a cool drink? A) Carbon monoxide. B) Carbon dioxide. C) Nitrogen. D) Sulfur dioxide. Show Answer Correct Answer: B) Carbon dioxide. 8. Balance this reaction:..... AlBr3 +..... K2SO4 $\rightarrow$ ..... KBr +..... Al2(SO4)3 A) 1, 1, 1, 1. B) 2, 3, 6, 1. C) 2, 6, 1, 1. D) 3, 1, 2, 2. Show Answer Correct Answer: B) 2, 3, 6, 1. 9. When dissolved in water, bases produce: A) Acids. B) Salts. C) Hydrogen ions. D) Hydroxide ions. Show Answer Correct Answer: D) Hydroxide ions. 10. What causes shadows? A) Because it is so. B) Because the rays are blocked by objects so that the rays hit objects and areas that are not passed by light will form the shadow of objects. C) Because things have a shadow until it appears. D) Because the shadows and rays are both. Show Answer Correct Answer: B) Because the rays are blocked by objects so that the rays hit objects and areas that are not passed by light will form the shadow of objects. 11. The lowest point on a wave is the: A) Amplitude. B) Crest. C) Trough. D) Wavelength. Show Answer Correct Answer: C) Trough. 12. What has a nucleus, coma, dust tail, and gas tail and has lots of ice? A) Meteor. B) Meteorite. C) Meteoroid. D) Comet. Show Answer Correct Answer: D) Comet. 13. The principle gas in the Earth's atmosphere is? A) Argon. B) Nitrogen. C) Neon. D) Oxygen. Show Answer Correct Answer: B) Nitrogen. 14. Which of the following is gasoline made from? A) Petroleum. B) Coal. C) Natural Gas. D) None of above. Show Answer Correct Answer: A) Petroleum. 15. A screw is a simple machine A) True. B) False. Show Answer Correct Answer: A) True. 16. This is large open space inside the nose and where air comes in when we breathe. A) Cilia. B) Nasal cavity. C) Nostrils. D) None of above. Show Answer Correct Answer: B) Nasal cavity. 17. Matter is divided into..... stage(s)? A) 1. B) 2. C) 3. D) 6. Show Answer Correct Answer: C) 3. 18. Length A) Vector. B) Scalar. Show Answer Correct Answer: B) Scalar. 19. Flowing water possesses ..... energy. A) Kinetic. B) Potential. Show Answer Correct Answer: A) Kinetic. 20. If 15% of a number is 45, what is 30% of that number? A) 90. B) 60. C) 30. D) 15. Show Answer Correct Answer: A) 90. ← PreviousNext →Related 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 9General Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books