This quiz works best with JavaScript enabled. Home > Indian Geography > Earth > Volcanoes – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Volcanoes Quiz 15 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Magma that hardens in a volcano's pipe create a A) Sill. B) Dike. C) Volcanic neck. D) Batholith. Show Answer Correct Answer: C) Volcanic neck. 2. A volcano that has not erupted in a very long time suddenly has a plume of steam coming from it. Which best describes this volcano? A) Was dormant and is now active. B) Was quiet and is now active. C) Was extinct and is now explosive. D) Was dormant and is now explosive. Show Answer Correct Answer: A) Was dormant and is now active. 3. Which statement explains what happens as magma rises inside a volcano? A) Gases will contract in the chamber. B) The pressure of the gas will disappear. C) The magmatic pressure decreases. D) Magma moves to other chambers. Show Answer Correct Answer: C) The magmatic pressure decreases. 4. What is a destructive force? A) A natural process that destroys land. B) A natural process that creates land. C) A natural process where areas that are normally dry is covered in water. D) None of above. Show Answer Correct Answer: A) A natural process that destroys land. 5. What is the smallest and most deadly pyroclastic? A) Ash. B) Lapilli. C) Lava Block. D) Lava Bomb. Show Answer Correct Answer: A) Ash. 6. What type of volcano is composed of layers of cinders and pyroclastics? A) Shield. B) Stratovolcano. C) Cinder Cone. D) None of above. Show Answer Correct Answer: C) Cinder Cone. 7. Why does magma tend to rise to the surface? A) It has large amounts of silica. B) It contains very little silica. C) It is denser than the surrounding material. D) It is less dense than the surrounding material. Show Answer Correct Answer: D) It is less dense than the surrounding material. 8. Which type of lava erupts from shield volcanoes? A) Andesitic. B) Basaltic. C) Granitic. D) Rhyolitic. Show Answer Correct Answer: B) Basaltic. 9. Which eruption was responsible for the "loudest sound ever heard? " A) Tambora. B) Eldfell. C) Krakatoa. D) Vesuvius. Show Answer Correct Answer: C) Krakatoa. 10. Vocanoes are found ..... A) On land. B) Under water. C) On islands. D) All of the above. Show Answer Correct Answer: D) All of the above. 11. Ring of Fire Volcanoes have ..... A) Blocky lava. B) Sea water trapped inside. C) Huge, violent eruptions. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. What is molten rock that has reached the Earth's surface? A) Aa. B) Lava. C) Magma. D) Pahoehoe. Show Answer Correct Answer: B) Lava. 13. What do we call molten hot liquid rock once it erupts to the Earth's surface? A) Magma. B) Igneous. C) Cinder. D) Lava. Show Answer Correct Answer: A) Magma. 14. A series of earthquakes are called an earthquake A) Flume. B) Swarm. C) Explosion. D) Event. Show Answer Correct Answer: B) Swarm. 15. As the temperature of lava increases, ..... A) Its viscosity decreases. B) It begins to harden. C) Its viscosity increases. D) It can flow a much shorter distance. Show Answer Correct Answer: A) Its viscosity decreases. 16. Which of the following factors helps determine whether a volcanic eruption will be violent or relatively quiet? A) Amount of dissolved gases. B) Temperature of the magma. C) Amount of silica in the magma. D) All of the above. Show Answer Correct Answer: D) All of the above. 17. Which word identifies one stage of volcanic activity? A) Dormant. B) Explosive. C) Underground. D) Quiet. Show Answer Correct Answer: A) Dormant. 18. The major ring of volcanoes that circles the Pacific Ocean is called thep A) Volcanic belt of Pacific volcanoes. B) Ring of Fire. C) Ocean ring. D) Ring of Pacific Fire. Show Answer Correct Answer: B) Ring of Fire. 19. Where are volcanoes most likely to form? A) Along plate boundaries. B) Near the center of continents. C) Near water. D) On the moon. Show Answer Correct Answer: A) Along plate boundaries. 20. Volcanoes are common along A) Convergent plate boundaries. B) Divergent plate boundaries. C) Transform plate boundaries. D) Two of the above. Show Answer Correct Answer: D) Two of the above. ← PreviousNext →Related QuizzesIndian Geography QuizzesVolcanoes Quiz 1Volcanoes Quiz 2Volcanoes Quiz 3Volcanoes Quiz 4Volcanoes Quiz 5Volcanoes Quiz 6Volcanoes Quiz 7Volcanoes Quiz 8Volcanoes Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books