This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 321 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 321 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is used as a convenient way to help identify minerals. A) Rocks. B) Minerals. C) BEC. D) Mohs scale of hardness. Show Answer Correct Answer: D) Mohs scale of hardness. 2. In what type of reaction does one reactant form two or more products? A) Synthesis. B) Decomposition. C) Single replacement. D) Double replacement. Show Answer Correct Answer: B) Decomposition. 3. True or False:Sodium and Chloride ions have equal but opposite charges A) True. B) False. Show Answer Correct Answer: A) True. 4. What characters do it warm up the slopet spot? A) White. B) Red. C) Blue. D) Broken. Show Answer Correct Answer: A) White. 5. The point in the orbit of the moon or a satellite at which it is nearest to the earth. A) Apogee. B) Perigee. C) Perihelion. D) APELION. Show Answer Correct Answer: B) Perigee. 6. Is marble? A) Metamorphic rocks. B) Sedimentary rocks. C) Igneous rocks. D) None of these. Show Answer Correct Answer: A) Metamorphic rocks. 7. In 1905, Percival Lowell predicted where.....would be found. A) Neptune. B) Uranus. C) Saturn. D) Pluto. Show Answer Correct Answer: D) Pluto. 8. Is water availability an abiotic factor or biotic factor? A) Abiotic. B) Biotic. Show Answer Correct Answer: A) Abiotic. 9. Dissolving salt in water is what kind of change? A) Physical change. B) Chemical change. Show Answer Correct Answer: A) Physical change. 10. What creates our seasons? A) Earth's revolution around the sun. B) Earth's rotation. C) The ;moon's orbit around the Earth. D) Earth's tilt on its axis. Show Answer Correct Answer: D) Earth's tilt on its axis. 11. A method of measuring a star's movement against the background of stars father away, using trigonometry and geometry. A) Stellar parallax. B) Binary star. C) Light year. D) Pulsar. Show Answer Correct Answer: A) Stellar parallax. 12. The central part of an atom A) Nucleus. B) Neutron. C) Electron. D) Proton. Show Answer Correct Answer: A) Nucleus. 13. The boiling point of a liquid is dependent on atmospheric pressure A) True. B) False. Show Answer Correct Answer: A) True. 14. All non-metals have a low melting point and poor conductivity except A) Graphite. B) Carbon. C) Arsenic. D) Selenium. Show Answer Correct Answer: A) Graphite. 15. ..... is a tiny particle of an atom that moves around the nucleus. A) Model. B) Nucleus. C) Proton. D) Electron. Show Answer Correct Answer: D) Electron. 16. Which is NOT a fact according to Newton's law of Gravitation? A) If the mass of the earth were doubled, the gravitational force earth would double. B) The force exerted on the earth by the sun is equal and opposite to the force exerted on the sun by the earth. C) If the mass of the earth were would doubled, the gravitational force on the earth would quadruple. D) If the mass of the sun were doubled, the force it exerts on the earth would double. Show Answer Correct Answer: C) If the mass of the earth were would doubled, the gravitational force on the earth would quadruple. 17. Students of different grades were given the same jigsaw puzzle to assemble. The time they took to assemble it was measured. What is the dependent variable? A) Students of different grade levels. B) Same jigsaw puzzle. C) The time it took to assemble the puzzle. D) The temperature of the room. Show Answer Correct Answer: C) The time it took to assemble the puzzle. 18. Which of the following is a property of a monocot? A) Has one cotyledon. B) Has networked veined leaves. C) It is an animal with plantlike features. D) Has two cotyledons. Show Answer Correct Answer: A) Has one cotyledon. 19. Which of the following materials is suitable to make raincoats? A) Cotton. B) Plastic. C) Silk. D) Paper. Show Answer Correct Answer: B) Plastic. 20. Which is true regarding an invasive species? A) It will likely have no effect on the ecosystem. B) It will compete with local organisms for food and resources. C) It has natural predators in its new environment. D) It will make the ecosystem more stable. Show Answer Correct Answer: B) It will compete with local organisms for food and resources. ← 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