This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 68 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 68 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why do we see objects as white? A) They absorb all light. B) They reflect all light. C) They absorb some light and reflect some light. D) None of above. Show Answer Correct Answer: B) They reflect all light. 2. A solution with a pH of 8.6 would be..... A) Acid. B) Base. C) Neutral. D) Both. Show Answer Correct Answer: B) Base. 3. A number of stars that appear to form a pattern A) Fault. B) Constellation. C) Galaxy. D) Plate tectonics. Show Answer Correct Answer: B) Constellation. 4. Summer occurs on the hemisphere of Earth that is..... A) Petmoss. B) Tilted towards the sun. C) Turned toward the sun. D) Big ballon. Show Answer Correct Answer: B) Tilted towards the sun. 5. What are the three most common phases (states) of matter? A) Solid, liquid, gas. B) Gold, silver, rock. C) Rock, mineral, oxygen. D) None of above. Show Answer Correct Answer: A) Solid, liquid, gas. 6. The Earth is the..... planet from the sun. A) Second. B) Third. C) Forth. D) Fifth. Show Answer Correct Answer: B) Third. 7. Lab work should be started immediately upon entering the lab even if the teacher is not present. A) True. B) False. Show Answer Correct Answer: B) False. 8. What is water's boiling point? A) 0 C. B) 100 C. C) 50 C. D) None of above. Show Answer Correct Answer: B) 100 C. 9. The average of five numbers is 32. If one of the numbers is 45, what is the average of the remaining numbers? A) 30. B) 34. C) 35. D) None. Show Answer Correct Answer: D) None. 10. A pulley is a simple machine A) True. B) False. Show Answer Correct Answer: A) True. 11. What is the law of conservation of energy? A) Energy can be destroyed completely. B) Energy can be created out of nothing. C) Energy can be transformed into matter. D) Energy cannot be created or destroyed, only transferred or transformed. Show Answer Correct Answer: D) Energy cannot be created or destroyed, only transferred or transformed. 12. Body temperature is controlled by A) Hypothalamus. B) Jerk. C) Thamulsuary. D) None of them. Show Answer Correct Answer: A) Hypothalamus. 13. What is a number found in a chemical formula? A) Formula. B) Symbol. C) Subscript. D) Atom. Show Answer Correct Answer: C) Subscript. 14. The surface of the sun is made of this super-hot matter: A) Liquid. B) Gases. C) Plasma. D) Fusion. Show Answer Correct Answer: C) Plasma. 15. Which gas do plants absorb during photosynthesis? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen Environment. Show Answer Correct Answer: B) Carbon dioxide. 16. Which planet rotates the SLOWEST around the Sun? A) Neptune. B) Mercury. C) Earth. D) Jupiter. Show Answer Correct Answer: A) Neptune. 17. Troposphere extends from surface of earth up to..... kilometers. A) 12 km. B) 50 km. C) 80 km. D) None of these. Show Answer Correct Answer: A) 12 km. 18. At what % of RH do most of the people feel comfortable? A) 55%. B) 100%. C) 25%. D) 45%. Show Answer Correct Answer: D) 45%. 19. This is the smallest type of soil particle. A) Clay. B) Gravel. C) Sand. D) Silt. Show Answer Correct Answer: A) Clay. 20. What is the chemical composition for carbon dioxide? A) 6CO2. B) C6H12O6. C) 6O2. D) 6H2O. Show Answer Correct Answer: A) 6CO2. ← 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