This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Our Changing Earth > Class 7 Geography Chapter 3 Our Changing Earth – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 3 Our Changing Earth Quiz 8 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. High damages are caused by ..... ? A) Primary waves. B) Secondary waves. C) Surface waves. D) None. Show Answer Correct Answer: C) Surface waves. 2. Defination of sea cliff A) The materials carried by the glaciers such as rocks, sand etc. B) The steep rocky coast rising almost vertically above sea water. C) The collection of sediments from all the mouths. D) A vent in the earth's crust. Show Answer Correct Answer: B) The steep rocky coast rising almost vertically above sea water. 3. Removal of sand through deflation leads to the formation of? A) Deflation hollow. B) Volcano. C) Sand bars. D) Sand dunes. Show Answer Correct Answer: A) Deflation hollow. 4. The river carries chemicals. They can break down a rock. What is the effect called? A) Mechanical weathering. B) Chemical weathering. C) Water erosion. D) None of the above. Show Answer Correct Answer: B) Chemical weathering. 5. ..... is known as rivers of ice. A) Moving ice. B) Glaciers. C) Waterfall. D) None of the above. Show Answer Correct Answer: B) Glaciers. 6. Movement of energy through a body of water is a A) Current. B) Longshore drift. C) Tide. D) Wave. Show Answer Correct Answer: D) Wave. 7. Glaciers are also called A) River of ice. B) River of snow. C) River of frozen water. D) All of these. Show Answer Correct Answer: A) River of ice. 8. What is the primary cause of mass destruction during volcanic eruptions? A) Wind erosion. B) Volcanic eruption. C) Earthquake. D) River erosion. Show Answer Correct Answer: B) Volcanic eruption. 9. What is a force that breaks down rock into smaller pieces? A) Weathering. B) Erosion. C) Volcanoes. D) Deposition. Show Answer Correct Answer: A) Weathering. 10. How does water contribute to erosion? A) Water contributes to erosion by dislodging and transporting soil and rock through hydraulic action and chemical weathering. B) Water helps plants grow, which prevents erosion. C) Water only causes flooding and does not affect erosion. D) Water has no impact on soil or rock movement. Show Answer Correct Answer: A) Water contributes to erosion by dislodging and transporting soil and rock through hydraulic action and chemical weathering. 11. The feature that forms where subduction occurs is the A) Ridge. B) Rift. C) Mantle. D) Trench. Show Answer Correct Answer: D) Trench. 12. Identify the type of force-Landslides A) Endogenic force. B) Exogenic force. C) All the above. D) None of the above. Show Answer Correct Answer: A) Endogenic force. 13. Deposition ..... A) Breaks it. B) Takes it. C) Drops it. D) None of the above. Show Answer Correct Answer: C) Drops it. 14. The greenhouse effect is the natural warming of Earth's A) Oceans and land areas. B) Surface and freshwater areas. C) Lower atmosphere and surface. D) Upper atmosphere and surface. Show Answer Correct Answer: C) Lower atmosphere and surface. 15. What is the thickest layer made up of thick magma that flows beneath the crust? A) Outer Core. B) Crust. C) Inner Core. D) Mantle. Show Answer Correct Answer: D) Mantle. 16. What are the interior structure of the earth? A) Crust, mantle, core. B) Rock cycle. C) Crater. D) None of the above. Show Answer Correct Answer: A) Crust, mantle, core. 17. A powerful earthquake of magnitude about ..... on richter scale rocked Western India state of (bhuj)Gujarat on 26 January 2001 A) 7.7. B) 7. C) 7.8. D) 8.5. Show Answer Correct Answer: A) 7.7. 18. Plates are not created or destroyed:They just pass by each other. A) Converge. B) Diverge. C) Transform. D) None of the above. Show Answer Correct Answer: C) Transform. 19. Moving Mass Of Ice is called A) Glacier. B) Ice-berg. C) Water. D) None of the above. Show Answer Correct Answer: A) Glacier. 20. The process of erosion and deposition create different land-forms. The erosion and deposition of sea waves gives rise to coastal land-forms as it continuously strikes at rocks. As a result cracks develop and in course of time they become larger and wider. This forms hollow like vacuum spaces in the rocks. What is it called? A) Sea Cliffs. B) Sea Arch. C) Sea Rocks. D) Sea Caves. Show Answer Correct Answer: D) Sea Caves. 21. What is the fine sand deposited by the action of wind known as? A) Loess. B) Dunes. C) Oasis. D) Barchans. Show Answer Correct Answer: A) Loess. 22. Which is the correct comparative form? A) Highest. B) High than. C) Higher. D) More high. Show Answer Correct Answer: C) Higher. 23. What are sand dunes primarily made of? A) Rocks and boulders. B) Fine and light sand. C) Mud and clay. D) Water and ice. Show Answer Correct Answer: B) Fine and light sand. 24. All earthquakes measure 6 and above are termed ..... A) Destructive. B) Archive. C) Native. D) Constructive. Show Answer Correct Answer: A) Destructive. 25. Besides the Moon, the daily tides around the world are MOST affected by the A) Rain. B) Wind. C) Coriolis effect. D) Sun. Show Answer Correct Answer: D) Sun. 26. Erosion happens when rocks and sediments are picked up and moved to another place by- A) Animals and plants. B) Water and wind. C) Humans and animals. D) Earthquakes and volcanoes. Show Answer Correct Answer: B) Water and wind. 27. What is the solid layer made of nickel and iron with intense pressure? A) Crust. B) Inner Core. C) Outer Core. D) Mantle. Show Answer Correct Answer: B) Inner Core. 28. In a desert, Winds erode the ..... section of the rock more than the ..... part A) Lower, Upper. B) Left, Right. C) Right, Left. D) Upper, Lower. Show Answer Correct Answer: A) Lower, Upper. 29. What type of boundary forms mountains? A) Convergent. B) Subduction. C) Divergent. D) Transform. Show Answer Correct Answer: A) Convergent. 30. What happens to eroded materials after they are carried away by agents like water and wind? A) They evaporate. B) They disappear. C) They settle at the bottom of the ocean. D) They are eventually deposited. Show Answer Correct Answer: D) They are eventually deposited. 31. How much do the lithospheric plates move each year? A) A few centimeters. B) A few meters. C) A few kilometers. D) A few millimeters. Show Answer Correct Answer: D) A few millimeters. 32. One job of a civil engineer is to design and build large infrastructures such as skyscrapers, bridges, airports, and tunnels. Which would NOT LIKELY be something that a civil engineer would need to know in order to do their job? A) To know where plate boundaries are located. B) To measure the number of earthquakes. C) To be able to mark a volcano on a map. D) To observe eroded landscapes before building. Show Answer Correct Answer: C) To be able to mark a volcano on a map. 33. When two continental plates converge they move upward, and over time they form- A) Plates. B) Earthquakes. C) Rivers. D) Mountains. Show Answer Correct Answer: D) Mountains. 34. Hills of sand are called beaches. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 35. (ii) Which of the following is an example of a depositional feature created by sea waves? A) Beach. B) Cave. C) Delta. D) Cliff. Show Answer Correct Answer: A) Beach. 36. Some ways rocks weather include: A) Freezing Water. B) Small plants. C) Tree roots. D) All of them. Show Answer Correct Answer: D) All of them. 37. The rise and fall of Earth's waters on its coastlines are called A) Waves. B) Gravity. C) Currents. D) Tides. Show Answer Correct Answer: D) Tides. 38. Which parts of an organism are more likely to fossilize? A) The soft parts-skin, muscle. B) The hard parts-bones, shells, stems. C) All parts can become fossilized easily because the organism becomes buried by sediments. D) None of the above. Show Answer Correct Answer: B) The hard parts-bones, shells, stems. 39. The place on the surface above the focus is called ..... A) Pit. B) Plate boundary. C) Epicentre. D) None of the above. Show Answer Correct Answer: C) Epicentre. 40. Which earthquake is classified as a major earthquake? A) 7.0 Magnitude Earthquake. B) 6.0 Magnitude Earthquake. C) 5.0 Magnitude Earthquake. D) None of these. Show Answer Correct Answer: A) 7.0 Magnitude Earthquake. 41. The air pressure is highest at A) Plateau level. B) Mountain level. C) Sea level. D) Plain level. Show Answer Correct Answer: C) Sea level. 42. On January 2006, Earthquake hits ..... ? What was the measure on the Richter scale? A) Denmark, 8.9. B) Somewhere or the other. C) Bhuj, 6.9. D) Gujrat, 6.9. Show Answer Correct Answer: C) Bhuj, 6.9. 43. The slow movement of continents toward and away from each other A) Drift. B) Crater. C) Pag. D) Continental drift. E) Continent. Show Answer Correct Answer: D) Continental drift. 44. True or False Sea waves are primarily responsible for the formation of glaciers. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 45. Mt ..... is an active volcano A) Mt. Etna. B) Mt.Vesuvius. C) Do not Kilimanjaro. D) None of the above. Show Answer Correct Answer: A) Mt. Etna. 46. Sudden movement of earth is called A) Volcanic erruption. B) Delta formation. C) Earthquake. D) Sea cliff formation. Show Answer Correct Answer: C) Earthquake. 47. Waterfalls are formed by the action of ..... A) Winds. B) Rivers. C) Waves. D) None of the above. Show Answer Correct Answer: B) Rivers. 48. What do people reuse to make art? A) Storm. B) Bottles. C) Earthquakes. D) None of the above. Show Answer Correct Answer: B) Bottles. 49. As we ..... the layers of atmosphere, the pressure ..... A) Go up, falls. B) Go down, falls. C) All the above. D) None of the above. Show Answer Correct Answer: A) Go up, falls. 50. Which type of forces cause the earth's surface to change over time? A) Geothermal forces. B) Wind forces. C) Solar forces. D) Exogenic forces. Show Answer Correct Answer: D) Exogenic forces. 51. Which layer of Earth is the thinnest? A) Outer Core. B) Inner Core. C) Crust. D) Mantle. Show Answer Correct Answer: C) Crust. 52. The idea that the ocean floor moves is called A) Seafloor spreading. B) Plate tectonics. C) Continental drift. D) None of the above. Show Answer Correct Answer: A) Seafloor spreading. 53. What are the slow forces? A) Building of Mountains. B) Landslide. C) Volcano. D) All of the above. Show Answer Correct Answer: A) Building of Mountains. 54. Meander is formed by: A) Glaciers. B) Waves. C) Winds. D) The River. Show Answer Correct Answer: D) The River. 55. Why do some rocks have a shape of a mushroom? A) Due to earthquake. B) Due to erosion by wind. C) Due to erosion by water. D) Due to volcanic activity. Show Answer Correct Answer: B) Due to erosion by wind. 56. When lava cools, what kind of rock is formed? A) Igneous Rock. B) Sedimentary Rock. C) Metamorphic Rock. D) Fossils. Show Answer Correct Answer: A) Igneous Rock. 57. This type of boundary forms mountains A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: A) Convergent. 58. Stacks are formed by work of A) Wind. B) Sea waves. C) Glaciers. D) River. Show Answer Correct Answer: B) Sea waves. 59. This is where plate material may be destroyed (or recycled) and returned to the mantle. A) Converge. B) Diverge. C) Transform. D) None of the above. Show Answer Correct Answer: A) Converge. 60. What are sand dunes? A) Low hill-like Structure. B) Big mountains. C) Volcano. D) Waterfall. Show Answer Correct Answer: A) Low hill-like Structure. ← PreviousNext →Related QuizzesGeography QuizzesClass 7 QuizzesClass 7 Geography Chapter 3 Our Changing Earth Quiz 1Class 7 Geography Chapter 3 Our Changing Earth Quiz 2Class 7 Geography Chapter 3 Our Changing Earth Quiz 3Class 7 Geography Chapter 3 Our Changing Earth Quiz 4Class 7 Geography Chapter 3 Our Changing Earth Quiz 5Class 7 Geography Chapter 3 Our Changing Earth Quiz 6Class 7 Geography Chapter 3 Our Changing Earth Quiz 7Class 7 Geography Chapter 3 Our Changing Earth Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books