This quiz works best with JavaScript enabled. Home > Science > Overview > 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. 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. 2. 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. 3. Science can prove anything if the scientific method is used. A) True. B) False. Show Answer Correct Answer: B) False. 4. 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. 5. 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. 6. 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. 7. When veins branch out from the midrib A) Pinnate. B) Parallel. C) Palmate. D) None of above. Show Answer Correct Answer: A) Pinnate. 8. What do we call a push or a pull? A) Movement. B) Force. C) Speed. D) Displacement. Show Answer Correct Answer: B) Force. 9. What is an Element? A) A substance made up of one type of molecule. B) A substance with one nucleus. C) A substance made up of electrons. D) A substance made up of one type of atom. Show Answer Correct Answer: D) A substance made up of one type of atom. 10. An iron is used to remove wrinkles from clothes. A) True. B) False. Show Answer Correct Answer: A) True. 11. On what principle does optical fiber work? A) Refraction. B) Total internal reflection. C) Interference. D) Scattering. Show Answer Correct Answer: B) Total internal reflection. 12. Newton's First Law of Motion is Known As:What is the first motion of Newton known by Newton? A) Action and reaction / action and reaction. B) Force / force. C) Law of Inertia / Inertiature Policy. D) None of the Above / None of the above. Show Answer Correct Answer: C) Law of Inertia / Inertiature Policy. 13. What is NOT a form of energy? A) Plastic. B) Sound. C) Electrical. D) Light. Show Answer Correct Answer: A) Plastic. 14. The layer that contains only a tiny fraction of the atmosphere's mass A) Troposphere. B) Stratosphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: D) Thermosphere. 15. In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force? A) 50N to the left. B) 350N to the left. C) 350N to the right. D) 50N to the right. Show Answer Correct Answer: A) 50N to the left. 16. THE BOILING POINT OF WATER IS? A) 100*C. B) 90*C. C) 95*C. D) 101*C. Show Answer Correct Answer: A) 100*C. 17. What force moves an object away from you? A) Pull. B) Push. Show Answer Correct Answer: B) Push. 18. .....is the length of the path between two points A) Distance. B) Path. C) Displacement. D) None of above. Show Answer Correct Answer: A) Distance. 19. Another name for a homogeneous mixture is A..... A) Micheal. B) Solution. C) Math. D) Red monkey. Show Answer Correct Answer: B) Solution. 20. Which subatomic particle has a neutral or no charge? A) Proton. B) Electron. C) Neutron. D) None of above. Show Answer Correct Answer: C) Neutron. ← 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