This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 46 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 46 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What coefficient should go in the blank space to balance the chemical equation? 2Al +..... HCl $\rightarrow$ 2AlCl3 + 3H2 A) 2. B) 4. C) 3. D) 6 NGSS.MS-PS1-5. Show Answer Correct Answer: D) 6 NGSS.MS-PS1-5. 2. Name the blood cells of the body which protect us from diseases? A) Red Blood corpuscles. B) White Blood Corpuscles. C) Plasma. D) Haemoglobin. Show Answer Correct Answer: B) White Blood Corpuscles. 3. What is the process called when a gas changes into a liquid? A) Evaporation. B) Condensation. C) Melting. D) Freezing. Show Answer Correct Answer: B) Condensation. 4. Humerus bone is situated in: A) Thigh. B) Upper arm. C) Knee. D) Fore arm. Show Answer Correct Answer: A) Thigh. 5. He discovered gravity when he saw a falling apple while thinking about the forces of nature. A) Isaac Newton. B) Galileo. C) Alexander Grahambell. D) Thomas Edison. Show Answer Correct Answer: A) Isaac Newton. 6. Dr. Ashfaq worked in AEC for A) 8 years. B) 10 years. C) 12 years. D) 14 years. Show Answer Correct Answer: B) 10 years. 7. Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or engine oil? A) Water. B) Foam. C) Dry Chemical. D) Wet chemical. Show Answer Correct Answer: B) Foam. 8. Which type of crust is primarily made of granite? A) Metamorphic. B) Sedimentary. C) Oceanic. D) Continental. Show Answer Correct Answer: D) Continental. 9. The speedometer on your car tells you A) Average velocity. B) Instantaneous velocity. C) Average speed. D) Instantaneous speed. Show Answer Correct Answer: D) Instantaneous speed. 10. Which gas dissolves most easily in ocean water? A) H2O. B) CO2. C) NaCl. D) None of above. Show Answer Correct Answer: B) CO2. 11. The hottest stars give off what color light? A) Blue. B) Red. C) White. D) Yellow. Show Answer Correct Answer: A) Blue. 12. This device helped astronomers determine the location and motion of the sun in relation to Earth. A) Gnomon. B) Satellite. C) Spherical Aberration. D) Constellation. Show Answer Correct Answer: A) Gnomon. 13. The contamination of air due to the presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials. A) Air Pollution. B) Water Pollution. C) Land pollution. D) Acid Rain. Show Answer Correct Answer: A) Air Pollution. 14. What will be the total magnification if ocular lens is 10X and objective lens is 4X? A) Hh. B) 40X. C) 10X. D) 100X. Show Answer Correct Answer: B) 40X. 15. Science can prove anything if the scientific method is used. A) True. B) False. Show Answer Correct Answer: B) False. 16. The ciliary muscle..... A) Constricts the lens in the eye to adjust the focus. B) Helps a boa constrictor to squeeze its prey. C) Helps your taste buds taste food. D) None of above. Show Answer Correct Answer: A) Constricts the lens in the eye to adjust the focus. 17. Which is not the effect of the force that is performed on objects? A) Make the object moving. B) Causing the object to stop. C) Causing objects to disappear. D) None of above. Show Answer Correct Answer: C) Causing objects to disappear. 18. Which of the following terms means "The variable that changes as a result of the experiment" ? A) Independent variable. B) Hypothesis. C) Dependent variable. D) Constant. Show Answer Correct Answer: C) Dependent variable. 19. When veins branch out from the midrib A) Pinnate. B) Parallel. C) Palmate. D) None of above. Show Answer Correct Answer: A) Pinnate. 20. What do we call a push or a pull? A) Movement. B) Force. C) Speed. D) Displacement. Show Answer Correct Answer: B) Force. ← 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