This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 175 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 175 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Adenine (A), Thymine (T), Guanine (G), and Cytosine (C) are what part of DNA? A) Phosphates. B) Pentose. C) Nucleus. D) Nitrogenous Bases. Show Answer Correct Answer: D) Nitrogenous Bases. 2. Sound waves are caused by A) Vibrations. B) Noise. C) Echoes. D) Frogs. Show Answer Correct Answer: A) Vibrations. 3. The flow of heat energy from one molecule to the next is..... A) Convection. B) Cooperation. C) Conduction. D) None of above. Show Answer Correct Answer: C) Conduction. 4. The Chatelier's Principle Says A) That if a reaction is in equilibrium and temperature, pressure, or amount of reactant change, the rate of the reaction will also change. B) That a reaction in equilibrium will fall out of equilibrium even if nothing changes. C) No chemical reactions will ever reach equilibrium. D) None of above. Show Answer Correct Answer: A) That if a reaction is in equilibrium and temperature, pressure, or amount of reactant change, the rate of the reaction will also change. 5. When a meteoroid enters the Earth's atmosphere, it becomes a A) Meteor. B) Meteorite. C) Meteoroid. D) Comet. Show Answer Correct Answer: A) Meteor. 6. Which of the following is NOT an example of friction? A) Using the brakes on your bike to slow you down. B) Putting your hand out the window. C) A satellite traveling through deep space. D) A hockey puck going across an ice rink. Show Answer Correct Answer: C) A satellite traveling through deep space. 7. How many years will it take Saturn to complete one orbit A) 3.5 years. B) 29.5 years. C) 13.5 years. D) 100 years. Show Answer Correct Answer: B) 29.5 years. 8. Who was the founder of gravity? A) Carolus Linnaeus. B) Antoine Lavoisier. C) Galileo. D) Isaac Newton. Show Answer Correct Answer: D) Isaac Newton. 9. What is a vertical column on the periodic table? A) Period. B) Group. C) Atom. D) Nucleus. Show Answer Correct Answer: B) Group. 10. Moisture falling from the atmosphere as rain, snow or hail A) Fog. B) Precipitation. C) Stratus. D) Air Pressure. Show Answer Correct Answer: B) Precipitation. 11. A center of cell protein synthesis A) Ribosome. B) Lysosome. C) Rasan. D) None of above. Show Answer Correct Answer: A) Ribosome. 12. What is the largest desert? A) Sahara. B) Gobi. C) Antarctic. D) Sechura. Show Answer Correct Answer: C) Antarctic. 13. In 1781 with a reflecting telescope, Sir William Herschel discovered the which planet? A) Uranus. B) Pluto. C) Mercury. D) Saturn. Show Answer Correct Answer: A) Uranus. 14. What creates stalctites and stalagmites A) Ground water. B) Sediments. C) Ground water mixed with sediments. D) Sediments that have melted. Show Answer Correct Answer: C) Ground water mixed with sediments. 15. What is the name of the element with the chemical symbol 'He'? A) Helium. B) Neon. C) Lithium. D) Hydrogen. Show Answer Correct Answer: A) Helium. 16. Electrons and neutrons are found in the nucleus of atoms. A) True. B) False. Show Answer Correct Answer: B) False. 17. A statement that uses symbols, formulas, and numbers to stand for a chemical reaction. A) Chemical equation. B) Chemical reaction. C) Reactant. D) Solvent. Show Answer Correct Answer: A) Chemical equation. 18. CaCo3 is known as? A) Slaked lime. B) Quick lime. C) Lime stone. D) Carbonated lime. Show Answer Correct Answer: C) Lime stone. 19. Which biologist proposed the theory of evolution through natural selection? A) Charles Darwin. B) Stephen Hawking. C) Francesco Redi. D) Alexander Fleming. Show Answer Correct Answer: A) Charles Darwin. 20. This is a part of a nose that can receive and detect the different odors. A) Olfactory nerve. B) Olfactory bulb. C) Olfactory epithelium. D) None of above. Show Answer Correct Answer: C) Olfactory epithelium. ← 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