This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 249 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 249 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Elephant, as Keystone Species A) The most important thing to think of in a science classroom. B) The most important thing to think of when interacting with other people. C) Tramples trees to allow sunlight to get to lower plants, feeds soil with manure. D) None of above. Show Answer Correct Answer: C) Tramples trees to allow sunlight to get to lower plants, feeds soil with manure. 2. What type of precipitation will fall if the temperature is 0 degrees celsius, but the precipitation freezes along the way to Earth's surface? A) Rain. B) Snow. C) Sleet. D) Hail. Show Answer Correct Answer: C) Sleet. 3. Who discovered gravitational force? A) Kepler. B) Copernicus. C) Isaac Newton. D) Euclid. Show Answer Correct Answer: C) Isaac Newton. 4. The property of a substance bu which it dissolves in water is A) Transparency. B) Hardness. C) Flotation. D) Solubility. Show Answer Correct Answer: D) Solubility. 5. Transpiration is a process in plants that is responsible for- A) Making food. B) Making water. C) Losing water. D) Losing food. Show Answer Correct Answer: C) Losing water. 6. The largest part of our brain is? A) Forebrain. B) Mid brain. C) Hind brain. D) Cerebellum. Show Answer Correct Answer: A) Forebrain. 7. How many atoms are in one molecule of CO2? A) 3. B) 4. C) 2. D) 1. Show Answer Correct Answer: A) 3. 8. Fossil fuels contain: A) Nuclear energy. B) Electrical energy. C) Chemical energy. D) Thermal energy. Show Answer Correct Answer: C) Chemical energy. 9. As a pendulum's string gets longer, what happens to the period? A) Doesn't change. B) Decreases. C) Increases. D) None of above. Show Answer Correct Answer: C) Increases. 10. Rock on a beach is constantly beaten with sand from the wind-chips break off and gets smaller A) Chemical weathering. B) Physical weathering. C) Erosion. D) Uncomformity. Show Answer Correct Answer: B) Physical weathering. 11. DETERGENTS USED FOR CLEANING CLOTHES AND UTENSILS CONTAIN? A) Bicarbonates. B) BISMUTHATES. C) SULPHONATES. D) NITRATES. Show Answer Correct Answer: C) SULPHONATES. 12. A light year is a measure of..... A) Time. B) Light. C) Distance. D) Velocity. Show Answer Correct Answer: C) Distance. 13. Plants need water for it to be alive. Asides from water, what else do the roots take from the soil? A) Chlorophyll. B) Green leaves. C) Dirt. D) Nutrients. Show Answer Correct Answer: D) Nutrients. 14. Storm clouds are typically: A) Cirrus. B) Cumulonimbus. C) Nimbus. D) Stratus. Show Answer Correct Answer: B) Cumulonimbus. 15. Elements in the periodic table are arranged in order by their..... A) Atomic Number. B) Atomic Mass (Mass Number). C) Metal, nonmetal, or metalloid properties. D) None of above. Show Answer Correct Answer: A) Atomic Number. 16. The type of reaction that releases energy as heat is called A) Endothermic. B) Exothermic. C) Respiration. D) Photosynthesis. Show Answer Correct Answer: B) Exothermic. 17. This reaction releases energy A) Endothermic Reaction. B) Exothermic Reaction. C) Synthesis. D) Decomposition. Show Answer Correct Answer: B) Exothermic Reaction. 18. Formed when one plate moves below another A) Collision. B) Divergence. C) Convergence. D) Trench. Show Answer Correct Answer: D) Trench. 19. What is the goal of technology? A) To learn why something happens the way it does. B) To make something better. C) To make a new process or machine that makes life better. D) To make money. Show Answer Correct Answer: C) To make a new process or machine that makes life better. 20. What type of drawing line consists of alternating long and short lines? A) Hidden. B) Center. C) Dimension. D) None of above. Show Answer Correct Answer: B) Center. ← 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