This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 219 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 219 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do animals and plants release by evaporation? A) Water vapor. B) Oxygen. C) Carbon dioxide. D) None of above. Show Answer Correct Answer: A) Water vapor. 2. The wise and careful use of energy resources is called A) Utilization. B) Conservation. C) Fuel economy. D) Recycling. Show Answer Correct Answer: B) Conservation. 3. What happens when you reduce, reuse, and recycle? A) You find non-renewable resorces. B) You conserve natural resources. Show Answer Correct Answer: B) You conserve natural resources. 4. What is Soda? A) Sodium hydroxide. B) Potassium hydroxide. C) Both. D) None. Show Answer Correct Answer: A) Sodium hydroxide. 5. Controls are the factors that are manipulated throughout the experiment A) True. B) False. Show Answer Correct Answer: B) False. 6. The efficiency of most coal power plants is approximately..... A) 65%. B) 35%. C) 50%. D) 100%. Show Answer Correct Answer: B) 35%. 7. Invented the TV in 1920's A) Ada Lovelace. B) Thomas Edison. C) Nikola Tesla. D) John Logie. Show Answer Correct Answer: D) John Logie. 8. A wave in which the matter in the medium moves at right angles to the direction of the wave, has crest and waves A) Mechanical wave. B) Transverse wave. C) Longitudinal wave. D) Wave. Show Answer Correct Answer: B) Transverse wave. 9. The region of an atom where its neutrons and protons are is its A) Central nucleus. B) Electron cloud. C) Core. D) Center. Show Answer Correct Answer: A) Central nucleus. 10. Who discover double helical structure of DNA.? A) Alexander Fleming. B) Charles Darwin. C) Hargobind Khurana. D) Watson & Crick. Show Answer Correct Answer: D) Watson & Crick. 11. What gas do plants absorb from the atmosphere? A) Carbon dioxide. B) Oxygen. C) Hydrogen. D) Nitrogen. Show Answer Correct Answer: A) Carbon dioxide. 12. Which of the following has the highest pH? A) Vinegar. B) Water. C) Baking soda. D) Cranberry juice. Show Answer Correct Answer: C) Baking soda. 13. What year did Alfred Wegener first propose the Continental Drift Theory? A) 1918. B) 1914. C) 1921. D) 1912. Show Answer Correct Answer: D) 1912. 14. What does the P.A.S.S. stand for when operating a fire extinguisher? A) Push, Aim, Squeeze, Spray. B) Pull, Aim, Squeeze, Sweep. C) Pull, Adjust, Squeeze, Sweep. D) Pin, Aim, Squeeze, Sweep. Show Answer Correct Answer: B) Pull, Aim, Squeeze, Sweep. 15. The planets travel around the sun in a circular motion. A) True. B) False. Show Answer Correct Answer: B) False. 16. In the..... layer, light is made by the sea creatures living there. A) Midnight. B) Twilight. C) Abyss. D) Trench. Show Answer Correct Answer: A) Midnight. 17. He formulated the sun-centered theory. A) Kepler. B) Galileo. C) Copernicus. D) Ptolemy. Show Answer Correct Answer: C) Copernicus. 18. Looking at a cell under a microscope, you note that it is a prokaryote. How did you know? A) Has a mitochondrion. B) Lack of water. C) Lack of nucleus. D) Has a round shape. Show Answer Correct Answer: C) Lack of nucleus. 19. Ibne ul Haitham is called as father of A) Chemistry. B) Optics. C) Telescope. D) Mirrors. Show Answer Correct Answer: B) Optics. 20. What is precision? A) The degree of closeness of measurements of a quantity to its actual value. B) The degree to which repeated measurements under unchanged conditions show the same results. Show Answer Correct Answer: B) The degree to which repeated measurements under unchanged conditions show the same results. ← 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