This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Arts Humanities > Geography > Class 11 Geography Chapter 2 The Earth'S Structure – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Geography Chapter 2 The Earth'S Structure Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Deposits of sand and mineral fragments, laid down by water A) Sediments. B) Silicates. C) Continents. D) None of the above. Show Answer Correct Answer: A) Sediments. 2. Colder, more dense magma near the crust ..... A) Rises. B) Sinks. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sinks. 3. What is HALITE ROCK? A) Sea salt. B) One of the Igneous rocks. C) One of the Metamorphic rocks. D) One of the Sedimentary rocks. E) Rock salt. Show Answer Correct Answer: E) Rock salt. 4. The Great Rift Valley in Africa and the Mid-Atlantic Ridge in the Atlantic Ocean are both results of this type of plate boundary A) Divergent. B) Transform. C) Convergent. D) None of the above. Show Answer Correct Answer: A) Divergent. 5. The core (outer core and inner core) are made of two metals called: A) Iron and magnesium. B) Iron and lithium. C) Iron and nickel. D) Nickel and copper. Show Answer Correct Answer: C) Iron and nickel. 6. Which layer of the Earth is solid iron and nickel? A) Mantle. B) Inner core. C) Crust. D) Outer core. Show Answer Correct Answer: B) Inner core. 7. Which layer of the Earth is made up of solid rock and is divided into several large and small pieces called tectonic plates? A) Mesosphere. B) Hydrosphere. C) Lithosphere. D) Atmosphere. Show Answer Correct Answer: C) Lithosphere. 8. The oceanic crust is most like ..... in composition A) Granite. B) Basalt. C) Sand. D) Iron. Show Answer Correct Answer: B) Basalt. 9. Solid ball of mostly iron and nickel: A) Inner Core. B) Outer Core. C) Lower Mantle. D) Upper Mantle. Show Answer Correct Answer: A) Inner Core. 10. Gutenberg Discontinuity begins at the depth of ..... Km. A) 2800. B) 5600. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2800. 11. The layer of the atmosphere that has the function of reflecting radio waves because it contains the ions is ..... A) Thermosphere layer. B) Exosphere layer. C) Troposphere layer. D) Stratosphere layer. Show Answer Correct Answer: A) Thermosphere layer. 12. Explain how the movement of Earth's crustal plates can lead to the formation of mountains. A) Plates move apart, creating valleys. B) Plates slide past each other, causing earthquakes. C) Plates collide, pushing the crust upwards. D) Plates sink into the mantle, forming trenches. Show Answer Correct Answer: C) Plates collide, pushing the crust upwards. 13. Which type of crust is produced by seafloor spreading? A) Convergent. B) Oceanic. C) Continental. D) Volcanic. Show Answer Correct Answer: B) Oceanic. 14. Where is heat and pressure the greatest in the Earth? A) Inner core. B) Mantle. C) Outer core. D) Crust. Show Answer Correct Answer: A) Inner core. 15. SIAL floats over SIMA. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 16. What are the Earth's three main layers? A) Upper mantle, lower mantle, crust. B) Core, mantle, crust. C) Core, mantle, surface. D) Inner core, outer core, mantle. Show Answer Correct Answer: B) Core, mantle, crust. 17. The three main layers of the Earth are crust, mantle, and core. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Convection Currents happen because of A) The heat from the core. B) Tectonic plates moving. C) Gravity. D) None of the above. Show Answer Correct Answer: A) The heat from the core. 19. Which layer of the core is solid? A) Inner. B) Outer. C) All the above. D) None of the above. Show Answer Correct Answer: A) Inner. 20. The point on which the vibrations of the earthquake begin to spread: A) Focus. B) Epicenter. C) All the above. D) None of the above. Show Answer Correct Answer: B) Epicenter. 21. True or False? The Earth's tectonic plates move because of convection currents in Earth's mantle beneath the lithosphere. A) True. B) False. C) I am not sure. D) None of the above. Show Answer Correct Answer: A) True. 22. Melted rock on Earth's surface A) Magma. B) Lava. C) Mantle. D) Crust. Show Answer Correct Answer: B) Lava. 23. Earth's temperature increases with depth. Which of the following is a result of the motion of materials caused by high temperatures in Earth's mantle? A) Earthquakes and volcanoes. B) Radioactive atoms in minerals. C) Ocean tides. D) Erosion and deposition. Show Answer Correct Answer: A) Earthquakes and volcanoes. 24. What causes day and night on Earth? A) Atmospheric pressure. B) Rotation. C) Tidal forces. D) Revolution. Show Answer Correct Answer: B) Rotation. 25. Uniformitarianism is the idea that the geologic processes that operate today also operate in the past. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 26. At the surface of the earth is the A) Crust. B) Mesosphere. C) Asthenosphere. D) Mantle. Show Answer Correct Answer: A) Crust. 27. Which is the outermost layer of the Earth? A) Crust. B) Outer core. C) Inner core. D) Mantle. Show Answer Correct Answer: A) Crust. 28. Which of the following geologic events can occur at a transform boundary? A) Rift formation. B) Mountain formation. C) Volcanic eruption. D) Earthquake. Show Answer Correct Answer: D) Earthquake. 29. What are Igneous rocks? A) Rocks formed from the cooling of magma or molten rock on Earth's surface. B) Rocks that are formed by the compression of sediments over time. C) Rocks that are formed from the alteration of existing rocks due to heat and pressure. D) Rocks that are formed from the accumulation of organic materials. Show Answer Correct Answer: A) Rocks formed from the cooling of magma or molten rock on Earth's surface. 30. Most earthquakes happen at ..... A) Divergent boundaries. B) Convergent boundaries. C) Transform boundaries. D) None of the above. Show Answer Correct Answer: C) Transform boundaries. 31. What is deposition? A) The process of transforming solid material into gas. B) The process by which material is deposited or laid down in a new place. C) The process of mixing different materials together. D) The process of removing material from a surface. Show Answer Correct Answer: B) The process by which material is deposited or laid down in a new place. 32. If you traveled from the crust to the core, the pressure would ..... A) Unsure. B) Stay the same. C) Increase. D) Decrease. Show Answer Correct Answer: C) Increase. 33. When molten material is cooled in the mantle it becomes A) More dense. B) Less dense. C) All the above. D) None of the above. Show Answer Correct Answer: A) More dense. 34. When rocks are not longer brittle and become hot enough to flow A) Rock. B) Convection. C) Density. D) Plastic. Show Answer Correct Answer: D) Plastic. 35. When plates move away from one another, this results in- A) A divergent plate boundary. B) A subduction zone. C) A transform plate boundary. D) A convergent plate boundary. Show Answer Correct Answer: A) A divergent plate boundary. 36. What is relative dating? A) Used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. B) Used to determine the precise age of a fossil by using radioactive dating to measure. C) Order of layers from oldest to youngest. D) Used to determine the location of the rocks around the world. Show Answer Correct Answer: A) Used to determine a fossils approximate age by comparing it to similar rocks and fossils of known ages. 37. It can travel through solids only A) Love waves. B) Rayleigh waves. C) Secondary waves. D) Primary waves. Show Answer Correct Answer: C) Secondary waves. 38. Breaking apart of rocks ..... A) Erosion. B) Soil. C) Weathering. D) Sediment. Show Answer Correct Answer: C) Weathering. 39. ..... are the slowest seismic waves. A) S waves. B) Love waves. C) P waves. D) Rayleigh waves. Show Answer Correct Answer: D) Rayleigh waves. 40. Which layer of the Earth is located beneath the mantle and is made up of liquid iron and nickel? A) Crust. B) Inner core. C) Outer core. D) Mantle. Show Answer Correct Answer: C) Outer core. 41. Which layer of the Earth is composed mostly of liquid iron and nickel? A) Crust. B) Mantle. C) Inner Core. D) Outer Core. Show Answer Correct Answer: D) Outer Core. 42. The highest point in The Bahamas is a hill. What is the name of the hill? A) Alps Mountain. B) Rocky Mountains. C) Mt. Everest. D) Mt. Alvernia. Show Answer Correct Answer: D) Mt. Alvernia. 43. Molten or liquid rock underground A) Lava. B) Deposit. C) Magma. D) Mineral. Show Answer Correct Answer: C) Magma. 44. Is the lithosphere part of the crust or the mantle? A) Crust. B) Manle. C) Mantle. D) None of the above. Show Answer Correct Answer: A) Crust. 45. Using physical properties what are the 6 layers of Earth from the least dense to the most dense? A) Lithosphere, asthenosphere, upper mantle, lower mantle, outer core, inner core. B) Inner core, outer core, lower mantle, upper mantle, asthenosphere, lithosphere. C) Core, lower mantle, upper mantle, asthenosphere, uppermost mantle, crust. D) Crust, uppermost mantle, asthenosphere, upper mantle, lower mantle, core. Show Answer Correct Answer: A) Lithosphere, asthenosphere, upper mantle, lower mantle, outer core, inner core. 46. The geological theory that states that pieces of Earth's lithosphere are in constant, slow motion is the theory of ..... A) Deep-ocean trenches. B) Subduction. C) Plate tectonics. D) Sea-floor spreading. Show Answer Correct Answer: C) Plate tectonics. 47. What is the term for the idea that all land was once part of a single supercontinent? A) Tectonic movement. B) Mega erosion. C) Plate collision. D) Continental drift. Show Answer Correct Answer: D) Continental drift. 48. Which best describes a divergent zone? A) Activity occurs away from a boundary. B) Plates move together. C) Plates move apart. D) Plates slide past each other. Show Answer Correct Answer: C) Plates move apart. 49. The Great Rift Valley in Africa and the Mid-Atlantic Ridge were both created by this type of plate boundary. A) Transform. B) Convergent. C) Divergent. D) Subduction. Show Answer Correct Answer: C) Divergent. 50. Melted rock in the mantle is ..... A) Chocolate. B) Magma. C) Mercury. D) Iron. Show Answer Correct Answer: B) Magma. 51. Chemical weathering occurs more rapidly in a ..... climate. A) Cold. B) Hot. C) Dry. D) Mild. Show Answer Correct Answer: B) Hot. 52. Which layers of Earth are mostly made of solid material? A) Inner and outer core. B) Crust and inner core. C) Crust and mantle. D) Mantle and outer core. Show Answer Correct Answer: B) Crust and inner core. 53. Which are correct about Crust? A) Magnesium and Aluminium are found. B) 36 km thick. C) Highest height is of Himalayas. D) Atlantic Ocean is 10000 m deep. Show Answer Correct Answer: A) Magnesium and Aluminium are found. 54. Most earthquakes and volcanoes occur at A) In the middle of a plate. B) Tectonic plates. C) Plate boundaries. D) In the mantle. Show Answer Correct Answer: C) Plate boundaries. 55. What are strata? A) Strata are the foliated and nonfoliated rock layers. B) Strata are made of granite and iron. C) Strata are special rocks that cool quicker than others. D) Strata are layers of sedimentary rocks. Show Answer Correct Answer: D) Strata are layers of sedimentary rocks. 56. Which of these islands is formed at a constructive margin (where 2 plates move away from each other)? A) Australia. B) Japan. C) Iceland. D) Hawaii. Show Answer Correct Answer: C) Iceland. 57. What is the most dense layer of the Earth? A) Lithosphere. B) Innercore. C) Outercore. D) Mesosphere. Show Answer Correct Answer: B) Innercore. 58. Which layer of Earth do scientists believe is most likely made of solid matter? A) Outer Core. B) Mantle. C) Crust. D) Inner Core. Show Answer Correct Answer: D) Inner Core. 59. What is Layer 4? A) Solid, dense crust. B) Solid, brittle upper mantle. C) Semiliquid, slow moving outer core. D) Liquid, quickly rotating inner core. Show Answer Correct Answer: C) Semiliquid, slow moving outer core. 60. Which layer of the Earth is responsible for the shifting of continents and the occurrence of earthquakes? A) Crust. B) Mantle. C) Outer Core. D) Inner Core. Show Answer Correct Answer: B) Mantle. 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