This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 156 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 156 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Gas lighter than the air A) Hydrogen. B) Helium. C) Neon. D) Oxygen. Show Answer Correct Answer: B) Helium. 2. Land converted with forest in Pakistan is only. A) 3%. B) 5%. C) 7%. D) 9%. Show Answer Correct Answer: B) 5%. 3. The main constituent of the air is A) Nitrogen. B) Oxygen. C) Carbon dioxide. D) Argon. Show Answer Correct Answer: A) Nitrogen. 4. The right or date (twice each year) at which the sun crosses the celestial equator, when day and night is of equal length (about September 22 and March 20). A) Solstice. B) Equinox. C) Eclipse. D) Umbra. Show Answer Correct Answer: B) Equinox. 5. Which of the following correctly describes how to write a scientific name? A) Genus capitlized, species lower case, all italicized. B) Genus and species both capitalized, all bold. C) Genus capitalized, species lower case, all bold. D) Species only, capitalized and italicized. Show Answer Correct Answer: A) Genus capitlized, species lower case, all italicized. 6. What is the percentage of oxygen in the atmosphere? A) 21%. B) 25%. C) 30%. D) 23%. Show Answer Correct Answer: A) 21%. 7. Each energy level can hold an unlimited number of electrons. A) True. B) False. Show Answer Correct Answer: B) False. 8. ..... are the building blocks of matter. A) Quarks. B) Protons. C) Orbitals. D) Atoms. Show Answer Correct Answer: D) Atoms. 9. Although his work didn't get much attention from the scientific community until after his death, this monk and scientist opened the door for modern genetics through his study of pea plants. A) Robert Hooke. B) Gregor Mendel. C) Anton van Leeuwenhoek. D) None of above. Show Answer Correct Answer: B) Gregor Mendel. 10. Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable? A) Distance traveled by the ball. B) Height of the ramp. C) Mass of the ball. D) None of above. Show Answer Correct Answer: A) Distance traveled by the ball. 11. If I pull on a pulley with a force of 20 N but am able to lift an object that has a 2, 000 N resistance, what is the mechanical advantage of the pulley? A) .01. B) 100. C) .1. D) 1000. Show Answer Correct Answer: B) 100. 12. What is the correct order of arrangement of teeth from front to back of the mouth? A) Incisors, Canines, Premolars, Molars. B) Canines, Premolars, Molars, Incisors. C) Incisors, Premolars, Canines, Molars. D) None of above. Show Answer Correct Answer: A) Incisors, Canines, Premolars, Molars. 13. Which piece of equipment is used to measure volume most accurately? A) A set of bathroom scales. B) A scientific digital set of scales. C) A 250 mL beaker. D) A 5 mL measuring cylinder. Show Answer Correct Answer: D) A 5 mL measuring cylinder. 14. Which is an example of a metalloid? A) Boron. B) Lead. C) Radon. D) Gold. Show Answer Correct Answer: A) Boron. 15. Which one of the following is a producer? A) Lion. B) Phytoplankton. C) Both b and c. D) Plant. Show Answer Correct Answer: C) Both b and c. 16. Finding the fossils of trees in an area that is currently a desert without much life might tell us that the area, millions of years ago- A) Was heavily eroded by strong winds. B) Received enough rain to support a forest. C) Suffered very powerful earthquakes. D) Was destroyed by the impact of meteorites. Show Answer Correct Answer: B) Received enough rain to support a forest. 17. Which of the following is a chemical property? A) Ability to rust. B) Ability to conduct heat. C) Volume. D) Magnetic NGSS.MS-PS1-2. Show Answer Correct Answer: A) Ability to rust. 18. End-product of photosynthesis A) Glucose and oxygen. B) Sound energy. C) Food web. D) Dizard at. Show Answer Correct Answer: A) Glucose and oxygen. 19. A group of 4th graders was dissecting a flower. One ate a petal and dared another to do so too. What safety rule is being broken? A) Never eat, drink, or sniff anything in a science investigation. B) Tie back your hair. C) Keep your work area clean. D) Dispose of extra supplies in designated containers. Show Answer Correct Answer: A) Never eat, drink, or sniff anything in a science investigation. 20. Another name for light A) Energy. B) Thermostat. C) Electromagnetic radiation. D) Thermionic emission. Show Answer Correct Answer: C) Electromagnetic radiation. ← 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