This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 84 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 84 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. We smell things with our? A) Eyes. B) Nose. C) Ear. D) Skin. Show Answer Correct Answer: B) Nose. 2. Any motion in which an object is moving along a curved path A) Circular motion. B) Balanced forces. C) Contact force. D) Force pair. Show Answer Correct Answer: A) Circular motion. 3. In an experiment to test the effect of water on plant growth, what is the independent variable? A) Amount of water. B) Plant growth. C) Amount of sunshine. D) Type of plant. Show Answer Correct Answer: A) Amount of water. 4. Which of the following changes is a chemical change of matter? A) Ice melting to produce water. B) Vinegar combining with baking soda to produce carbon dioxide. C) Water boiling to produce water vapor. D) Liquid silica solidifying to form glass. Show Answer Correct Answer: B) Vinegar combining with baking soda to produce carbon dioxide. 5. Hydrogen and Carbon Dioxide are A) Hard solids. B) Gases. C) Bubbles. D) Liquids. Show Answer Correct Answer: B) Gases. 6. This scientist had two theories of relativity and helped advance quantum mechanics. A) Albert Einstein. B) Max Planck. C) Niels Bohrs. D) Sir Isaac Newton. Show Answer Correct Answer: A) Albert Einstein. 7. ..... is a tiny particle in the nucleus of an atom that is similar to a proton in size. A) Neutron. B) Element. C) Natural element. D) Atomic number. Show Answer Correct Answer: A) Neutron. 8. The unit of current is..... A) Ampere. B) Watt. C) Joules. D) Kilo joules. Show Answer Correct Answer: A) Ampere. 9. Arrange the structure of a Tooth:1. Pulp 2. Root3. Crown4. Dentine5. Enamel A) 2, 3, 1, 4, 5. B) 3, 4, 5, 2, 1. C) 1, 2, 3, 4, 5. D) 3, 5, 4, 1, 2. Show Answer Correct Answer: D) 3, 5, 4, 1, 2. 10. If an atom has 10 protons, 9 electrons and 11 neutrons what is true A) It is an isotope and ion. B) It has an atomic number of 9. C) It has a mass number of 19. D) It is an atom and not an isotope. Show Answer Correct Answer: A) It is an isotope and ion. 11. Which state is know as"Land of festival" ? A) Manipur. B) Goa. C) Nagaland. D) Hayana. Show Answer Correct Answer: C) Nagaland. 12. Which would have the shortest period?Pendulum A:A 200-g mass attached to a 1.0-m length stringPendulum B:A 400-g mass attached to a 0.5-m length stringPendulum C 300-g mass attached to a 0.2-m length string A) A. B) B. C) C. D) All pendulum have the same period. Show Answer Correct Answer: C) C. 13. What do we call the change of water from liquid to gas? A) Evaporation. B) Freezing. C) Sublimation. D) Condensation. Show Answer Correct Answer: A) Evaporation. 14. Which electrical measuring device serves a similar purpose to a water meter? A) Voltmeter. B) Ammeter. C) Ohmmeter. D) Wattmeter. Show Answer Correct Answer: B) Ammeter. 15. As a good student and already know the importance of behaving and acting frugally in energy use, then the right example below is ..... A) Always waiting to cross at Zebra Cross. B) Always leave early in the morning before traffic jam on the road. C) Always go home on time so as not to participate in making traffic jams on the road. D) Always turn off the room lights that are not used and turn off electronic devices that are not used anymore. Show Answer Correct Answer: D) Always turn off the room lights that are not used and turn off electronic devices that are not used anymore. 16. In a controlled experiment, A) There are at least two variables. B) A control group is compared with one or more experimental groups. C) A variable is not needed. D) Should only be conducted one time. Show Answer Correct Answer: B) A control group is compared with one or more experimental groups. 17. Solid particles have the..... energy. A) Most. B) Middle amount of. C) Least. D) None of above. Show Answer Correct Answer: C) Least. 18. Lightning is what type or electricity. A) Current. B) Static. C) Alternating. D) None of above. Show Answer Correct Answer: B) Static. 19. Light passes partially through..... Material A) Transparent. B) Rough. C) Opaque. D) Translucent. Show Answer Correct Answer: D) Translucent. 20. Includes Earth's crust, water on the Earth's surface, & the atmosphere A) Ecosystem. B) Niche. C) Biosphere. D) Food web. Show Answer Correct Answer: C) Biosphere. ← 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