This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 91 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 91 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is Carbons Atomic Number A) 8. B) 89. C) 6. D) 50. Show Answer Correct Answer: C) 6. 2. What unit is force measured in? A) Newtons. B) Joules. C) Kilograms. D) Meters. Show Answer Correct Answer: A) Newtons. 3. The energy form ..... supports all the activities of the living world. A) Sunlight. B) Atomic energy. Show Answer Correct Answer: A) Sunlight. 4. Democritus stated that atoms are in constant: A) Motion. B) Confusion. C) Isolation. D) Chaos. Show Answer Correct Answer: A) Motion. 5. A substance consisting of two or more substances that have been combined without chemical bonding taking place, therefore physical combination A) Mixture. B) Ionic Bond. C) Homogenous Mixture. D) Heterogenous Mixture. Show Answer Correct Answer: A) Mixture. 6. What is the main gas found in the air we breathe? A) Nitrogen. B) Oxygen. C) Carbon Dioxide. D) Hydrogen. Show Answer Correct Answer: A) Nitrogen. 7. A mechanical waveTravels fast in solid, next in liquid, next in gas but cannot travel in a vacuum A) Light. B) Sound. C) Series Circuit. D) Parallel Circuit. Show Answer Correct Answer: B) Sound. 8. What is the name of the phenomenon when the Sun is directly above the Tropic of Capricorn? A) The phenomenon is called the Tropic of Capricorn. B) The Equator phenomenon. C) The Arctic Circle phenomenon. D) The Antarctic Circle phenomenon. Show Answer Correct Answer: A) The phenomenon is called the Tropic of Capricorn. 9. A solid substance is dissolved in water. Which of the following methods is used for separating it? A) Distillation. B) Evaporation. C) Filtration. D) Decantation. Show Answer Correct Answer: B) Evaporation. 10. Which of the following changes can be reversed? A) Raw egg to boiled egg. B) Wet clothes to dry clothes. C) Bud to flower. D) Cow dung to biogas. Show Answer Correct Answer: B) Wet clothes to dry clothes. 11. Which gas makes up the majority of Earth's atmosphere? A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) Hydrogen. E) Argon. Show Answer Correct Answer: D) Hydrogen. 12. The branch of science that studies the life and behaviour of animals is called A) Botany. B) Zoology. C) Astronomy. D) Biology. Show Answer Correct Answer: B) Zoology. 13. A ..... is a place where an organism naturally lives. A) Habitat. B) Ecosystem. Show Answer Correct Answer: A) Habitat. 14. According to Newtons Third Law of Motion, every action has an equal and opposite..... A) Gravity. B) Force. C) Mass. D) Reaction. Show Answer Correct Answer: D) Reaction. 15. A..... tells the story of a chemical reaction. A) Chemical equation. B) Chemical formula. C) Chemical reaction. D) Chemical substance. Show Answer Correct Answer: A) Chemical equation. 16. What is a function of the respiratory system in animals? A) To move blood. B) To detect sound. C) To obtain oxygen. D) To break apart food. Show Answer Correct Answer: C) To obtain oxygen. 17. What is the Chemical name of Vitamin C? A) Citric acid. B) Ascorbic acid. C) Oxalic acid. D) Nitric acid. Show Answer Correct Answer: B) Ascorbic acid. 18. Which is largest River in the World A) Amazon. B) Brahmaputra. C) Nile. D) Danube. Show Answer Correct Answer: A) Amazon. 19. True or false?CH4 has a total number of 6 atoms. A) True. B) False. Show Answer Correct Answer: B) False. 20. When it comes to a kitchen grease fire what should you NOT use to extinguish it. A) Pan lid. B) Baking soda. C) Class K extinguisher. D) Water. Show Answer Correct Answer: D) Water. ← 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