This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 70 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 70 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One major physical feature that all mollusks have is a..... A) Outer shell. B) Tentacles. C) Claws. D) Mantle. Show Answer Correct Answer: D) Mantle. 2. Taurus semen for the purpose of artificial semen torture is stored in A) In fluid hydrogen. B) Fluid nitrogen. C) In fluid helium. D) None of them. Show Answer Correct Answer: B) Fluid nitrogen. 3. In an experiment, the one variable that is changed by the scientist is called the..... A) Independent variable. B) Dependent variable. C) Random variable. D) Controlled variable. Show Answer Correct Answer: A) Independent variable. 4. At over..... kilometers long, The Great Barrier Reef is the largest living structure on Earth A) 100. B) 500. C) 1000. D) 2000. Show Answer Correct Answer: D) 2000. 5. Glaciers (large blocks of ice), slowly travel and pick up rocks and sediment. When the ice melts the the rocks and sediments gets dropped off somewhere on the land. The dropping off of rocks and sediments is..... A) Deposition. B) Erosion. C) Weathering. D) None of above. Show Answer Correct Answer: A) Deposition. 6. Inventions make our lives: A) Awful. B) Easier. C) Harder. D) First. Show Answer Correct Answer: B) Easier. 7. A student poured water into a bowl and set the bowl in front of a window. The student recorded observations and inferences until all the water was gone. Which statement from the student's notebook is an inference, and NOT an observation? A) Half of the water is gone by day two. B) Water evaporated faster on sunny days. C) There is a line of residue in the bowl where the water was. D) The water temperature is the same as the room temperature. Show Answer Correct Answer: B) Water evaporated faster on sunny days. 8. King Henry died by drinking chocolate milk is used when: A) Changing from one unit of measurement to another. B) Discussing history. C) Measuring force. D) Changing from one prefix to another in the metric system. Show Answer Correct Answer: D) Changing from one prefix to another in the metric system. 9. Marine arthropods in class Crustacea use gills to collect dissolved oxygen from the water. A) True. B) False. Show Answer Correct Answer: A) True. 10. How many electrons can the fourth energy level hold? A) 8. B) 32. C) 16. D) 64. Show Answer Correct Answer: B) 32. 11. Compound HCL is A) An acid. B) A base. C) Mixture. D) Neutral. Show Answer Correct Answer: A) An acid. 12. Who invented the crescograph A) Games Slater. B) Lee de Forest. C) Jagdish Chandra. D) John Logie. Show Answer Correct Answer: C) Jagdish Chandra. 13. Which viewpoint would have a hard time offering a good explanation of the existence of unconformities between rock layers laid down by a flood? A) Uniformitarianism. B) Catastrophism. Show Answer Correct Answer: B) Catastrophism. 14. This term refers to one complete trip around a heavenly body. A) Orbit. B) Axis. C) Gnomon. D) Constellation. Show Answer Correct Answer: A) Orbit. 15. What is definition to "model" ? A) Shows something. B) Make up of something. C) Make a meaning out of word, phrase, etc. D) Interpret or tell answer to something. Show Answer Correct Answer: A) Shows something. 16. Show the detailed shapes of Earth's surface, along with its natural and human-made features. A) Physical maps. B) Relief maps. C) Political maps. D) Road maps. E) Topographic maps. Show Answer Correct Answer: E) Topographic maps. 17. To grow means..... A) Doing your homework. B) Running. C) Getting bigger and stronger. D) None of above. Show Answer Correct Answer: C) Getting bigger and stronger. 18. Keystone species A) A factor in an ecosystem that is living. B) A non-living component of an ecosystem that is necessary for life. C) A species of organism that is relied upon by all the other species in the ecosystem, and if removed will cause a complete collapse of the ecosystem. D) None of above. Show Answer Correct Answer: C) A species of organism that is relied upon by all the other species in the ecosystem, and if removed will cause a complete collapse of the ecosystem. 19. Like any scientific law, the law of gravity describes a pattern in..... A) The laboratory. B) Nature. C) Science. D) None of above. Show Answer Correct Answer: B) Nature. 20. Getting a copy of something or doing the experiment over again exactly the same A) Fact. B) Scientific method. C) Inquiry. D) Replication. Show Answer Correct Answer: D) Replication. ← 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