This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 39 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why are multicellular algae not considered plants? A) They do not have true leaves, stems, or roots. B) They live in the ocean. C) They do not grow large enough,. D) They cannot photosynthesize as much as plants. Show Answer Correct Answer: A) They do not have true leaves, stems, or roots. 2. How do plankton move in water? A) Float. B) Swim. Show Answer Correct Answer: A) Float. 3. Which of the following metric masses are NOT equal: A) W) 1000 milligrams = 1 gram. B) X) 100 milligrams = 1 centigram. C) Y) 100 decigrams = 1 decagram. D) Z) 100 grams = 1 hectogram. Show Answer Correct Answer: B) X) 100 milligrams = 1 centigram. 4. True or False?In 1905, Percival Lowell predicted where Pluto would be found. A) True. B) False. Show Answer Correct Answer: A) True. 5. Which of the following are located in the nucleus and have a positive charge? A) Electron. B) Proton. C) Neutron. D) None of above. Show Answer Correct Answer: B) Proton. 6. The greater the mass of an object A) The more space it takes up. B) The greater its inertia. C) The more balanced it is. D) The easier the object is to move. Show Answer Correct Answer: B) The greater its inertia. 7. Acids obtained from living things like plants and animals are called as..... A) Mineral acids. B) Concentrated. C) Dilute. D) Organic acids. Show Answer Correct Answer: D) Organic acids. 8. The existence of "supermassive black hole" was proposed by A) Albert Einstein. B) Isaac Newton. C) Stephen Hawking. D) Marie Curie. Show Answer Correct Answer: C) Stephen Hawking. 9. Which units should a student use to measure the length of a textbook? A) Centimeters. B) Grams. C) Gallons. D) Ounces. Show Answer Correct Answer: A) Centimeters. 10. What is the speed of a car travelling 50m in 4s? A) 200 m/s. B) 12.5 m/s. C) 12.5 m. D) 200m. Show Answer Correct Answer: B) 12.5 m/s. 11. ..... is the basic unit of mass in the metric system. A) Newton. B) Gram, g. C) Kilogram, kg. D) Milligram, mg. E) Centigram, cg. Show Answer Correct Answer: B) Gram, g. 12. Group of animals without spines/backbones A) Vertebrates/chordates. B) Invertebrate. C) Bacteria. D) Dogs. Show Answer Correct Answer: B) Invertebrate. 13. The rock of the lithosphere floats on a layer of molten, plastic like rock. A) True. B) False. Show Answer Correct Answer: A) True. 14. Which of the following quantities are vectors? A) Speed, velocity, acceleration. B) Velocity, acceleration, force. C) Force, acceleration, mass. D) Length, mass, time. Show Answer Correct Answer: B) Velocity, acceleration, force. 15. A tool that is used to measure or compare mass. It is used to determine how heavy an object is. A) Microscope. B) Spring scale. C) Thermometer. D) Balance Scale NGSS.5-PS1-2. Show Answer Correct Answer: D) Balance Scale NGSS.5-PS1-2. 16. An example of a catastrophic event that could lead to mass extinction. A) Large Meteor Strike. B) Rising Sea Levels. C) Global Warming. D) Falling Sea Levels. Show Answer Correct Answer: A) Large Meteor Strike. 17. Each energy level wants to be completely FULL of electrons to make it stable (happy). A) True. B) False. Show Answer Correct Answer: A) True. 18. The condition in which moisture in the air evaporates faster than it can condense and the air becomes so full it cannot hold any more moisture. A) Saturated. B) Humidity. C) Cold front. D) The child. Show Answer Correct Answer: A) Saturated. 19. What is the sum of the angles in a triangle? A) 180 degrees. B) 90 degrees. C) 360 degrees. D) 270 degrees. Show Answer Correct Answer: A) 180 degrees. 20. T or F:The three basic types of rock are igneous, metamorphic, and sedimentary A) True. B) False. Show Answer Correct Answer: A) True. ← 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