This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 300 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 300 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do the following two elements bond together? K1+ S2- A) KS. B) K8S. C) Disqualify. D) K2S. Show Answer Correct Answer: D) K2S. 2. Which atom has the highest Atomic Radius? A) Na. B) And. C) Cl. D) Ar. Show Answer Correct Answer: A) Na. 3. Choose the correct answer. Which skin layer has blood melanin? A) Dermis. B) Epidermis. C) Fatty tissue. D) Hypodemis. Show Answer Correct Answer: B) Epidermis. 4. A convex mirror has a focal length 12 cm. Then its radius of curvature is..... cm A) 24. B) 12. C) 6. D) 1.2. Show Answer Correct Answer: A) 24. 5. Coal and diamonds are made of what element? A) Platinum. B) Carbon. C) Silver. D) Sulfur. Show Answer Correct Answer: B) Carbon. 6. For anesthesia chemical used is A) Sulphuric Acid. B) Opium. C) Penicillin. D) Hydrogen. Show Answer Correct Answer: B) Opium. 7. How does air in Earth's atmosphere move while being heated? A) Around in circles. B) Downward in funnels. C) Upward in columns. D) Horizontally in layers. Show Answer Correct Answer: C) Upward in columns. 8. Commercial (commercial) is obtained from the bark of kiss A) Balut (oak). B) Pomp. C) Nat (omp). D) Taste (oonak). Show Answer Correct Answer: A) Balut (oak). 9. Found in plant cellsWhere photosynthesis occurs A) Mitochondria. B) Starch. C) Cellulose. D) Chloroplasts. Show Answer Correct Answer: D) Chloroplasts. 10. All type of fuels burn in A) Oxygen. B) Helium. C) Carbon dioxide. D) Argon. Show Answer Correct Answer: A) Oxygen. 11. Which part of human ear converts sound vibrations into electrical signals A) Hammer. B) Stirrup. C) Tympanic membrane. D) Cochlea. Show Answer Correct Answer: D) Cochlea. 12. Equilibrium A) When you have the same mass of reactants as products. B) When the concentrations of reactants and products change over time. C) When the concentrations of reactants and products do not change over time. D) None of above. Show Answer Correct Answer: C) When the concentrations of reactants and products do not change over time. 13. Which is the most widely used fibre in the world? A) Silk. B) Wool. C) Nylon. D) Cotton. Show Answer Correct Answer: D) Cotton. 14. When in a science lab you should never..... A) Eat or drink. B) Take measurements. C) Wear goggles. D) Heat up beakers. Show Answer Correct Answer: A) Eat or drink. 15. What is aboveground molten rock? A) Extremive. B) Magma. C) Lava. D) Sedimentary. Show Answer Correct Answer: C) Lava. 16. Which one of the following records the distance traveled by a vehicle? A) Manometer. B) Motometer. C) Speedometer. D) Odometer. Show Answer Correct Answer: D) Odometer. 17. If Cody's baby sister weighs 8 pounds how many ounces does she weigh? A) 110. B) 130. C) 128. D) 118. Show Answer Correct Answer: C) 128. 18. From 15 lunar to the 15th lunar lunar after seeing the full moon, we will see the moon.How to change A) The moon gradually brighter. B) The moon is steadily larger. C) The moon gradually darken. D) None of above. Show Answer Correct Answer: C) The moon gradually darken. 19. An animal without a backbone A) Vertebrates. B) Invertebrates. Show Answer Correct Answer: B) Invertebrates. 20. What is the food making process of plants? A) Photosynthesis. B) Transpiration. C) Fermentation. D) Respiration. Show Answer Correct Answer: A) Photosynthesis. ← 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