This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 250 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 250 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which color reflects the least light? A) Black. B) White. C) Blue. D) Red. Show Answer Correct Answer: A) Black. 2. Choose the word that best fills the blank space. We cannot make or destroy energy, but we can..... it from one type to another. A) Transfer. B) Transform. Show Answer Correct Answer: B) Transform. 3. The..... is the organ, that is involved with respiration. A) Lungs. B) Kidney. C) Heart. D) Veins. Show Answer Correct Answer: A) Lungs. 4. Bonus:You should always taste chemicals in the lab A) True. B) False. Show Answer Correct Answer: B) False. 5. Electron Charge A) Positive. B) Negative. C) Neutral. D) None of above. Show Answer Correct Answer: B) Negative. 6. Steel, Brass and bronze are mixture is called A) Alloy. B) Mixture. C) Compound. D) Compound radical. Show Answer Correct Answer: A) Alloy. 7. Electricity that flows in a closed path is called a A) Path. B) Current. C) Circuit. D) None of above. Show Answer Correct Answer: C) Circuit. 8. Lignin is a tough and hard complex substance A) True. B) False. Show Answer Correct Answer: A) True. 9. Students of different grades were given the same jigsaw puzzle to assemble. The time they took to assemble it was measured. What is the independent variable? A) Students at different grade levels. B) Same jigsaw puzzle. C) The time it took to assemble the puzzle. D) The temperature of room. Show Answer Correct Answer: A) Students at different grade levels. 10. Large region of plants & animals well adapted to the soil & climate A) Biome. B) Biosphere. C) Ecosystem. D) Niche. Show Answer Correct Answer: A) Biome. 11. True or False?The direction of rotation of Venus is opposite to the direction of Earth, and most other planets. A) True. B) False. Show Answer Correct Answer: A) True. 12. What is Atomic Mass Number? A) Number of Protons. B) Number of Neutrons. C) Number of Protons and Neutrons. D) Number of Protons and Electrons. Show Answer Correct Answer: C) Number of Protons and Neutrons. 13. How many chambers does the heart of a hummingbird have? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 14. What is the formula of the molecule, carbon tetrafluoride? A) CF4. B) C4F. C) CF. D) None of these. Show Answer Correct Answer: A) CF4. 15. The stomach breaks down bolus, making a "nutrient soup", called..... (Info from Ighomemathclub) A) Tiplots. B) Chyme. C) Tractory Fluid. D) GDR. Show Answer Correct Answer: B) Chyme. 16. A biotic factor is..... A) Living. B) Nonliving. Show Answer Correct Answer: A) Living. 17. Color, density, hardness, and melting and boiling point are all examples of A) Physical properties. B) Chemical properties. C) All of the above. D) None of above. Show Answer Correct Answer: A) Physical properties. 18. ..... make up about 3/4 of all invertebrate species. A) Acorns. B) Angels. C) Amphibians. D) Arthropods. Show Answer Correct Answer: D) Arthropods. 19. A covalent bond typically occurs between A) Two metal elements. B) Two nonmetal elements. C) A metal element and a nonmetal element. D) None of above. Show Answer Correct Answer: B) Two nonmetal elements. 20. The place in which a plant survives is called its..... A) Location. B) Non-flowering pattern. C) Habitat. D) Flowering pattern. Show Answer Correct Answer: C) Habitat. ← 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