This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Arts Humanities > Geography > Class 11 Geography Chapter 2 The Earth'S Structure – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Geography Chapter 2 The Earth'S Structure Quiz 17 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The scale that is thought to be the most reliable method to measure earthquakes ..... scales. A) EEW. B) Modified Mercalli. C) Moment magnitude. D) None of the above. Show Answer Correct Answer: C) Moment magnitude. 2. Which data have been most useful to scientists for defining properties of Earth's layers? A) Sound waves. B) Satellite images. C) Sea surface temperatures. D) Seismic waves. Show Answer Correct Answer: D) Seismic waves. 3. During sea floor spreading, molten material rises up from the mantle ..... A) Along the continents. B) At the mid ocean ridges. C) Deep ocean trenches. D) At north and south poles. Show Answer Correct Answer: B) At the mid ocean ridges. 4. What is the name for the large pieces into which the Earth's lithosphere is broken? A) Earthquakes. B) Tectonic plates. C) Volcanic eruptions. D) Continental drift. Show Answer Correct Answer: B) Tectonic plates. 5. The "plastic" layer within the mantle A) Atmosphere. B) Asthenosphere. C) Lithosphere. D) Mantle. Show Answer Correct Answer: B) Asthenosphere. 6. Which is the coolest part of the planet? A) Outer core. B) Mantle. C) Crust. D) Inner core. Show Answer Correct Answer: C) Crust. 7. Where is Earth the thickest? A) Water. B) Land. C) At the poles. D) At the equator. Show Answer Correct Answer: B) Land. 8. Earth formed from a cloud of gas and dust called: A) Asthenosphere. B) Lithosphere. C) Gravity. D) Nebula. Show Answer Correct Answer: D) Nebula. 9. Earthquakes' magnitudes are measured on the ..... scale. A) Celsius. B) Fahrenheit. C) Richter. D) Fault line. Show Answer Correct Answer: C) Richter. 10. Which of the following causes Earth's tectonic plates to move? A) Convection currents in the mantle. B) Magnetic Pole Reversal. C) Energy from the Sun. D) Faults in Mountain Ranges. Show Answer Correct Answer: A) Convection currents in the mantle. 11. The Mid-Atlantic ridge was formed at which boundary? A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: B) Divergent. 12. The layer we live on: A) Oceanic Crust. B) Asthenosphere. C) Continental Crust. D) Lithosphere. Show Answer Correct Answer: C) Continental Crust. 13. At the epicenter A) The p wave leaves first. B) The s wave leaves first. C) The waves leave at the same time. D) None of the above. Show Answer Correct Answer: C) The waves leave at the same time. 14. This type of wave travels only on the Earth's surface. A) S wave shadow zone. B) Body wave. C) P wave shadow zone. D) Surface wave. Show Answer Correct Answer: D) Surface wave. 15. Igneous rocks form from A) Extreme heat and pressure inside the Earth. B) The cooling of melted rock. C) Pieces of sediment stuck together. D) None of the above. Show Answer Correct Answer: B) The cooling of melted rock. 16. Pressure and temperature ..... as you move deeper below Earth's surface A) Increase. B) Decrease. C) Stay the same. D) None of the above. Show Answer Correct Answer: A) Increase. 17. The order of the earth's compositional layers from most dense to least dense are A) Inner Core, Crust, Mantle and Outer Core. B) Crust, Mantle, Outer Core and Inner Core. C) Inner Core, Outer Core, Mantle and Crust. D) Crust, Outer Core, Inner Core and Mantle. Show Answer Correct Answer: C) Inner Core, Outer Core, Mantle and Crust. 18. What is the composition of Earth's inner core? A) Mainly copper and zinc. B) Mainly gold and silver. C) Mainly silicon and oxygen. D) Mainly nickel and iron. Show Answer Correct Answer: D) Mainly nickel and iron. 19. The outer part of the magnetic field that protects Earth from cosmic rays is called: ..... A) Cryosphere. B) Magnetosphere. C) Biosphere. D) Geosphere. Show Answer Correct Answer: B) Magnetosphere. 20. ..... is a measure of the "size, " or amplitude, of the seismic waves generated by an earthquake source and recorded by seismographs. A) Magnitude. B) Intensity. C) All the above. D) None of the above. Show Answer Correct Answer: A) Magnitude. 21. The seismic waves that move the fastest are ..... A) P waves. B) Water waves. C) S waves. D) Surface waves. Show Answer Correct Answer: A) P waves. 22. Sedimentary rocks form where weathered and eroded materials are dropped A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. Through relative dating, a geologist finds a fossil that is approximately 10, 000 years old. Which radioactive element would the geologist most likely use to accurately calculate the fossil's age? A) Gallium-67 with a half-life of 78 hours. B) Carbon-14 with a half-life of 5, 700 years. C) Plutonium-238 with a half-life of 88 years. D) Iodine-129 with a half-life of 16 million years. Show Answer Correct Answer: B) Carbon-14 with a half-life of 5, 700 years. 24. Name the narrow zone where life exist A) Lithosphere. B) Biosphere. C) Hydrosphere. D) Atmosphere. Show Answer Correct Answer: B) Biosphere. 25. What is the layer of gas surrounding a planet that is held in place by gravity? A) Biosphere. B) Hydrosphere. C) Geosphere. D) Atmosphere. Show Answer Correct Answer: D) Atmosphere. 26. Heat transfer within a fluid is called ..... A) Radiation. B) Density. C) Conduction. D) Convection currents. Show Answer Correct Answer: D) Convection currents. 27. The supercontinent that included all land masses on earth A) Pangaea. B) Convection currents. C) Convection. D) Asthenosphere. Show Answer Correct Answer: A) Pangaea. 28. It is totally liquid A) Inner core. B) Mantle. C) Outer core. D) Crust. Show Answer Correct Answer: C) Outer core. 29. Earhquakes takes place on A) The crust. B) The mantle. C) The core. D) None of the above. Show Answer Correct Answer: A) The crust. 30. Layer of hot, molten lava & iron and nickel A) Mantle. B) Inner core. C) Outer core. D) None of the above. Show Answer Correct Answer: C) Outer core. 31. A mid-ocean ridge is ..... A) A range of mountains formed when plates collide. B) Any underwater landform found near a boundary. C) An underwater volcanic range formed when plates move apart. D) Caused by earthquakes that happen underwater. Show Answer Correct Answer: C) An underwater volcanic range formed when plates move apart. 32. The Aleutian Islands are an example of A) Subduction zone. B) Island arc. C) Collision zone. D) Divergent boundary. Show Answer Correct Answer: B) Island arc. 33. How are earthquakes caused? A) Volcanic eruption. B) Global warming. C) Sudden release of energy in the Earth's crust. D) Movement of the moon. Show Answer Correct Answer: C) Sudden release of energy in the Earth's crust. 34. What is the portion of the system of Earth that includes Earth's interior, rocks and minerals, landforms, and the processes that shape Earth's surface? A) Biosphere. B) Hydrosphere. C) Geosphere. D) Atmosphere. Show Answer Correct Answer: C) Geosphere. 35. Tectonic plates is the theory that plates and their movements affect many geologic structures and processes. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 36. What layer of the earth is made of liquid? A) Outer core. B) Lower mantle. C) Upper mantle. D) Inner core. Show Answer Correct Answer: A) Outer core. 37. Analyze how the movement of Earth's plates can cause earthquakes. A) Plates slide past each other, releasing energy. B) Plates move apart, creating new crust. C) Plates sink into the mantle, causing tremors. D) Plates collide, forming mountains. Show Answer Correct Answer: A) Plates slide past each other, releasing energy. 38. Beneath the mantle is the core, a large sphere of metal that occupies Earth's center. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 39. What are convection currents? A) The cycle of heated rock or metal rising, and cooling rock or metal falling. B) The cycle of cooling rock or metal rising, and heated rock or metal falling. C) An electric current found in the mantle. D) And electric current found in the outer core. Show Answer Correct Answer: A) The cycle of heated rock or metal rising, and cooling rock or metal falling. 40. True or False? Soil formation is affected by many things, including climate and rock type. A) True. B) False. C) I am not sure. D) None of the above. Show Answer Correct Answer: A) True. 41. Hot mantle plumes breaching the surface in the middle of a tectonic plate A) Mariana Trench. B) Trench. C) Earthquakes. D) Hotspot Volcanoes. Show Answer Correct Answer: D) Hotspot Volcanoes. 42. The circulation of material in the asthenosphere caused by differences in temperatures and densities (hot rises, cool sinks) A) Radiation. B) Convection. C) Conduction. D) Clouds. Show Answer Correct Answer: B) Convection. 43. Which property of a mineral is it when you look at the color of the powdered form of a mineral? A) Cleavage. B) Luster. C) Hardness. D) Streak. Show Answer Correct Answer: D) Streak. 44. Radius of Earth: A) 6400 km. B) 3500 km. C) 5800 km. D) 4200 km. Show Answer Correct Answer: A) 6400 km. 45. Which statement best describes Earth's outer layer? A) Earth's outer layer is made up of a soft solid material. B) Earth's outer layer is made up of hard, solid rock. C) Earth's outer layer is a combination of hard, solid rock and a soft, solid material. D) Earth's outer layer is made up of hard, solid rock or water; it depends on where you go. Show Answer Correct Answer: B) Earth's outer layer is made up of hard, solid rock. 46. Which layer is thin, brittle, and composed primarily of silica? A) The inner core. B) The mantle. C) The crust. D) The outer core. Show Answer Correct Answer: C) The crust. 47. This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock. A) Erosion weathering. B) Mechanical weathering. C) Chemical weathering. D) Deposition. Show Answer Correct Answer: C) Chemical weathering. 48. Lava which cools on Earth's surface forms an A) Foliated metamorphic rock. B) Intrusive igneous rock. C) Metamorphic rock. D) Extrusive igneous rock. Show Answer Correct Answer: D) Extrusive igneous rock. 49. What is a desert? A) A group of mountains. B) Dry area with less than ten inches of rainfall per year. C) The top of the mountain. D) None of the above. Show Answer Correct Answer: B) Dry area with less than ten inches of rainfall per year. 50. Which is the hottest layer and has the most pressure on it? A) Inner core. B) Crust. C) Mantle. D) Outer Core. Show Answer Correct Answer: A) Inner core. 51. Describe the inner core of Earth. A) It is made mostly of iron & nickel and is extremely hot (over 6000 degrees Celsius). B) It is composed mainly of silicon and oxygen, and is relatively cool. C) It is a liquid layer that flows freely due to high temperatures. D) It is primarily made of water and is located just beneath the mantle. Show Answer Correct Answer: A) It is made mostly of iron & nickel and is extremely hot (over 6000 degrees Celsius). 52. Scientists use a machine called a(n) ..... to study earthquatkes. A) Seismograph. B) Magnitude. C) Pangaea. D) Anticline. Show Answer Correct Answer: A) Seismograph. 53. What best describes a landform? A) A group of mountains. B) Piece of land completely surrounded by water. C) Large unbroken mass of land. D) Natural features found on Earth's surface. Show Answer Correct Answer: D) Natural features found on Earth's surface. 54. The deepest part of the ocean A) Mariana Trench. B) Earthquakes. C) Hotspot Volcanoes. D) Pacific Ring of Fire. Show Answer Correct Answer: A) Mariana Trench. 55. The center of the earth made up of the outer core (layer of liquid metals) and the inner core (dense ball of solid metals) A) Core. B) Mantle. C) Lithosphere. D) Crust. Show Answer Correct Answer: A) Core. 56. The middle of the earth's three main layers is the ..... A) Core. B) Mesorterre. C) Mantle. D) None of the above. Show Answer Correct Answer: C) Mantle. 57. 5 large bodies of water that are connected and make up most of the Earth's water are ..... A) River. B) Lake. C) Continent. D) Ocean. Show Answer Correct Answer: D) Ocean. 58. "Plates" of lithosphere are moved around by the underlying hot mantle convection cells A) Continental Drift. B) Plate Tectonics. C) Plate Movement. D) Asthenosphere. Show Answer Correct Answer: C) Plate Movement. 59. Which is the best example of an index fossil? A) Corals found in rock layers worldwide. B) Dinosaur bones found only in Australia. C) Footprints of different types of dinosaurs. D) Casts of bird feathers found in all layers of rock in an area. Show Answer Correct Answer: A) Corals found in rock layers worldwide. 60. Earthquake waves can provide us with information about the Earth's A) Interior. B) Exterior. C) All the above. D) None of the above. Show Answer Correct Answer: A) Interior. ← PreviousNext →Related QuizzesArts Humanities QuizzesClass 11 QuizzesClass 11 Geography Chapter 2 The Earth'S Structure Quiz 1Class 11 Geography Chapter 2 The Earth'S Structure Quiz 2Class 11 Geography Chapter 2 The Earth'S Structure Quiz 3Class 11 Geography Chapter 2 The Earth'S Structure Quiz 4Class 11 Geography Chapter 2 The Earth'S Structure Quiz 5Class 11 Geography Chapter 2 The Earth'S Structure Quiz 6Class 11 Geography Chapter 2 The Earth'S Structure Quiz 7Class 11 Geography Chapter 2 The Earth'S Structure Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books