This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 51 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 51 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One of Earth's rotations A) 365 and 1/4 days. B) 24 hours. C) 12 hours. D) 370 days. Show Answer Correct Answer: B) 24 hours. 2. What part of the plant conducts photosynthesis? A) Branch. B) Leaf. C) Root. D) Trunk. Show Answer Correct Answer: B) Leaf. 3. Sedimentary Rocks are often made up of other rocks and minerals. A) True. B) False. Show Answer Correct Answer: A) True. 4. Reptiles and birds are warm-blooded vertebrates A) True. B) False. Show Answer Correct Answer: B) False. 5. A solid..... A) Has a definite shape that does not change. B) Takes the shape of the container. Show Answer Correct Answer: A) Has a definite shape that does not change. 6. Which institution developed an 'Ocean Wave Energy Converter' that can generate electricity from sea waves? A) IIT Madras. B) IIT Bombay. C) IIT Delhi. D) NIT Warangal. Show Answer Correct Answer: A) IIT Madras. 7. Large wheel that rotates when pushed by steam, wind or water and provides mechanical energy to a generator A) Electric motor. B) Solenoid. C) Transformer. D) Turbine. Show Answer Correct Answer: D) Turbine. 8. When a solid is turned into a liquid, the solid..... A) Melts. B) Freezes. C) Turns into a gas. D) Floats. Show Answer Correct Answer: A) Melts. 9. Can you guess which one is a Scientific Process Skill? A) Observation. B) Curiosity. C) Open Mindedness. D) Positive approach to failure. Show Answer Correct Answer: A) Observation. 10. The largest animal in the world is the? A) Giraffe. B) Camel. C) Blue Whale. D) Rhino. Show Answer Correct Answer: C) Blue Whale. 11. After completing one trip on a roller coaster, the roller coaster's..... is zero. A) Displacement. B) Reference point. C) Length. D) Distance. Show Answer Correct Answer: A) Displacement. 12. Daytime temperatures on Mercury are extremely hot because: A) It is close to the sunit gives off internal heat. B) It has volcanoesone side faces the sun. C) It has long daysit is close to the sun. D) It has long daysit has volcanoes. Show Answer Correct Answer: C) It has long daysit is close to the sun. 13. In the earliest stages of Earth's development, our planet was made of what? A) Cotton Candy. B) Molten rock. C) Molten rock with a thin, hard crust. D) Water. Show Answer Correct Answer: B) Molten rock. 14. Which terms refers to the sum of the forces acting on an object? A) Friction. B) Net force. C) Balanced forces. D) Unbalanced forces. Show Answer Correct Answer: B) Net force. 15. The basic unit of life is the A) Cell. B) Tissue. C) Atom. D) Organ. Show Answer Correct Answer: A) Cell. 16. Who was the first person to walk on the Moon? A) Neil Armstrong. B) Edwin Aldrin. C) Michael Collins. D) Sputnik. Show Answer Correct Answer: A) Neil Armstrong. 17. Velocity is A) Speed and acceleration. B) Constant speed. C) A frame of reference. D) Speed in a given direction. Show Answer Correct Answer: D) Speed in a given direction. 18. Carbon-14 has a half life of 5730 years, how many years would it take the 4.0 g sample to decay to 0.25 g? A) 4 years. B) 5730 years. C) 22, 920 years. D) 28, 650 years. Show Answer Correct Answer: C) 22, 920 years. 19. The movement of air particles around a vibrating object is a..... A) Light wave. B) Sound wave. C) Tidal wave. D) None of above. Show Answer Correct Answer: B) Sound wave. 20. What is the negative subatomic particle that orbits the nucleus A) Proton. B) Neutron. C) Electron. D) Voltron. Show Answer Correct Answer: C) Electron. ← 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