This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Our Changing Earth > Class 7 Geography Chapter 3 Our Changing Earth – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 3 Our Changing Earth Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. As the river enters the plain it twists and turns forming large bends known as A) Meanders. B) Leeves. C) Waterfalls. D) Delta. Show Answer Correct Answer: A) Meanders. 2. The place where in crust the movement starts is called fosus A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 3. The rock which is made up of moltan magma is: A) Igneous Rocks. B) Metamorphic Rocks. C) Lava. D) Sedimentary Rocks. Show Answer Correct Answer: A) Igneous Rocks. 4. Natural cavities on weak rocks formed by the action of waves are called? A) Sea caves. B) Sea cliff. C) Stacks. D) Sea arches. Show Answer Correct Answer: A) Sea caves. 5. This type of boundary forms ocean ridges and rift valleys A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: B) Divergent. 6. Which one of the following statement best suits the definition for "ox-bow" lake A) These are formed when the sea waves deposits sediments along the shores. B) These are low hill like structures formed by the deposition of sands. C) When the meander loop is cut off from the main river, it forms a cut-off lake and forms a shape that looks like ox-bow lake. D) These are layers of fine soil and other material called sediments are deposited on the river bank. Show Answer Correct Answer: C) When the meander loop is cut off from the main river, it forms a cut-off lake and forms a shape that looks like ox-bow lake. 7. ..... is a vent(opening) in the Earth's crust is known as a ..... A) Ocean. B) Sea. C) Volcano. D) Caves. Show Answer Correct Answer: C) Volcano. 8. An earthquake is mesured with a machine called a A) Polygraph. B) Telegraph. C) Homograph. D) Seismograph. Show Answer Correct Answer: D) Seismograph. 9. What are endogenic forces? A) The forces which occur in the space. B) The force which occur outside the earth's surface (on the crust and atmosphere). C) The forces which occur inside the earth (lithosphere). D) No correct option is given. Show Answer Correct Answer: C) The forces which occur inside the earth (lithosphere). 10. Which type of volcano is no longer expected to erupt? A) Active Volcano. B) Shield Volcano. C) Dormant Volcano. D) Extinct Volcano. Show Answer Correct Answer: D) Extinct Volcano. 11. Geological features on the continents, such as mountain ranges, are caused by- A) Ocean trenches. B) Volcanoes. C) Plate movements. D) Deposition. Show Answer Correct Answer: C) Plate movements. 12. Sudden movements in the earth are called A) Earthquakes. B) Building mountains. C) Focus. D) None of these. Show Answer Correct Answer: A) Earthquakes. 13. The Ganga Brahmaputra basin is situated between ..... and ..... A) 10 S, 30 S. B) 10 N, 30 N. C) 10 N 30 S. D) 10 N, 10 S. Show Answer Correct Answer: B) 10 N, 30 N. 14. Nigara falls lies in A) USA. B) Africa. C) South america. D) North america. Show Answer Correct Answer: D) North america. 15. Where is Pulicat lake located? A) Odisha. B) Kerala. C) Tamil Nadu. D) Karnataka. Show Answer Correct Answer: C) Tamil Nadu. 16. The dropping of weathered rock by wind or moving water A) Weathering. B) Erosion. C) Deposition. D) None of the above. Show Answer Correct Answer: C) Deposition. 17. The two types of movements on Earth are? A) Endogenic and Exogenic. B) Interior and exterior. C) In and out. D) Endogenic and outergenic. Show Answer Correct Answer: A) Endogenic and Exogenic. 18. In which continent is the highest waterfall 'Angel Falls of Venezuela' located? A) South america. B) South Africa. C) Atlanta. D) Canada. Show Answer Correct Answer: A) South america. 19. From what feature does a volcano's lava erupt? A) Fault. B) Glacier. C) Plate. D) Vent. Show Answer Correct Answer: D) Vent. 20. What is a commentary? A) POEM. B) Speaking or writing about something in detail. C) A joke. D) A weather report. Show Answer Correct Answer: B) Speaking or writing about something in detail. 21. Three type of waves A) P waves. B) S waves. C) L waves. D) All of these. Show Answer Correct Answer: D) All of these. 22. The layer of the Earth that is solid and forms the surface is called A) Outer core. B) Mantle. C) Crust. D) Inner core. Show Answer Correct Answer: C) Crust. 23. Wegener's supercontinent was known as A) Glossopteris. B) Eurasia. C) Pangea. D) Gondwandaland. Show Answer Correct Answer: C) Pangea. 24. Loess is formed by which agent of erosion and deposition A) Water. B) Ice. C) Wind. D) Fire. Show Answer Correct Answer: C) Wind. 25. ..... carries dust and soil through the air. A) Water. B) Wind. C) Glaciers. D) None of the above. Show Answer Correct Answer: B) Wind. 26. What do you know by Ox-bow Lakes? A) Lakes formed from animal participation. B) Lakes for ox. C) Cutting of meander loop from main rivers. D) None of these. Show Answer Correct Answer: C) Cutting of meander loop from main rivers. 27. This is waste that hurts the land, air, and water. A) Liter. B) Recycle. C) Reuse. D) Pollution. Show Answer Correct Answer: D) Pollution. 28. How do most mountains form? A) Continents collide and fold up on each other. B) Earth is shrinking and the crust wrinkles up. C) Ocean plates diverge and fold up on each other. D) Gravity from the moon pulls sections of the Earth up. Show Answer Correct Answer: A) Continents collide and fold up on each other. 29. The triangular collection of sediments at the mouth of a river forms A) Delta. B) Arches. C) Beach. D) Glaciers. Show Answer Correct Answer: A) Delta. 30. What landform is formed when sea waves continuously strike at rocks and develop cracks? A) Stacks. B) Sea caves. C) Sea cliffs. D) Sea arches. Show Answer Correct Answer: B) Sea caves. 31. Where do seismologists place seismographs? A) In the mantle. B) In the seismograph station. C) On the focus. D) On the fault. Show Answer Correct Answer: D) On the fault. 32. The forceswhich act in the interior of the earth are called as A) Exogenic forces. B) Magnetic forces. C) Gravitational forces. D) Endogenic forces. Show Answer Correct Answer: D) Endogenic forces. 33. ..... is the machine used to measure an earthquake. A) Seismograph. B) Barometer. C) Thermometer. D) None of the above. Show Answer Correct Answer: A) Seismograph. 34. The raised banks are called A) Levees. B) Ox-bow. C) Arches. D) Focus. Show Answer Correct Answer: A) Levees. 35. What are the steep rocky coasts rising almost vertically above sea water called? A) Sea arches. B) Sea caves. C) Sea cliffs. D) Stacks. Show Answer Correct Answer: C) Sea cliffs. 36. Which landform is created by blowing wind? A) Canyon. B) Sand dune. C) Delta. D) Mountain. Show Answer Correct Answer: B) Sand dune. 37. ..... movements like earthquakes and volcanos cause mass destruction over the surface of the earth A) External. B) Slow. C) Sudden. D) Erosional. Show Answer Correct Answer: C) Sudden. 38. A student's home is located along a river and the front yard is eroding into the river a little each year. What is one way the student can help slow down the erosion? A) Plant grasses along the riverbank. B) Clear the riverbank of plant overgrowth. C) Plant trees along the riverbank. D) Add more rock layers of soil to the riverbank. Show Answer Correct Answer: C) Plant trees along the riverbank. 39. Rock that forms when minerals form from solutions or sediment from older rocks get pressed and cemented together. A) Sedimentary Rock. B) Metamorphic Rock. C) Igneous Rock. D) None of the above. Show Answer Correct Answer: A) Sedimentary Rock. 40. What is directly above the focus? A) Epicenter. B) Fault. C) Seismograph Station. D) None of the above. Show Answer Correct Answer: A) Epicenter. 41. What happens to the hollows carved by glaciers when they fill with water? A) They become meanders. B) They create deltas. C) They become beautiful mountain lakes. D) They form sea arches. Show Answer Correct Answer: C) They become beautiful mountain lakes. 42. Which is the second most plentiful gas in the air A) Argon. B) Nitrogen. C) Oxygen. D) Hydrogen. Show Answer Correct Answer: C) Oxygen. 43. The theory of ..... , proposed by Alfred Wegener, suggests that continents were once joined in a single landmass called ..... A) Continental Drift. B) Pag. C) All the above. D) None of the above. Show Answer Correct Answer: A) Continental Drift. 44. What is formed when a meander loop cuts off from the river? A) Waterfall. B) Meander. C) Ox-bow lake. D) Delta. Show Answer Correct Answer: C) Ox-bow lake. 45. Earthquake is measured with a machine called ..... A) Thermometre. B) Rainguage. C) Seismograph. D) None of the above. Show Answer Correct Answer: C) Seismograph. 46. What coastal landforms are created by the continuous striking of sea waves against rocks? A) Waterfalls. B) Sea caves. C) Glacial moraines. D) Estuaries. Show Answer Correct Answer: B) Sea caves. 47. Which of these is NOT a way to prevent weathering and erosion? A) Build a retaining wall. B) Plant trees or bushes. C) Cut down trees. D) Put down mulch. E) Make a windbreak. Show Answer Correct Answer: C) Cut down trees. 48. What is the process of sedimentation? A) Sedimentation is the process of particles settling out of a fluid due to gravity. B) Sedimentation is the process of particles being suspended in a fluid. C) Sedimentation involves the mixing of particles in a fluid. D) Sedimentation is the process of evaporation of water from a liquid. Show Answer Correct Answer: A) Sedimentation is the process of particles settling out of a fluid due to gravity. 49. ..... is the sudden shaking of the Earth's crust. A) Tsunami. B) Earthquake. C) Volcano. D) None of these. Show Answer Correct Answer: B) Earthquake. 50. The Richter scale measures the magnitude of an earthquake. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 51. The process by which sediment comes to rest in water or other low-lying areas. A) Deposition. B) Uplift. C) Rift Zone. D) Subsidence. Show Answer Correct Answer: A) Deposition. 52. Which is the biggest desert in the world? A) Sahara desert, Africa. B) Tundra desert, Russia. C) Kalahari desert, Africa. D) Thar desert, India. Show Answer Correct Answer: A) Sahara desert, Africa. 53. What is the importance of studying fossils? A) To provide information about how current life forms would exist in previous environmental conditions. B) To provide information about how life and environmental conditions may have changed. C) To provide information about how previous life forms would exist in current environmental conditions. D) None of the above. Show Answer Correct Answer: B) To provide information about how life and environmental conditions may have changed. 54. What type of earth movements are associated with the movement of molten magma? A) Tectonic movements. B) Exogenic movements. C) Sudden movements. D) Slow movements. Show Answer Correct Answer: D) Slow movements. 55. An extrusive rock is an A) Igneous rock that cools quickly and has small crystals. B) Igneous rock that cools quickly and has large crystals. C) All the above. D) None of the above. Show Answer Correct Answer: A) Igneous rock that cools quickly and has small crystals. 56. What type of landforms are created by glaciers as they bulldoze soil and stones to expose solid rock below? A) Waterfalls. B) Meanders. C) Glacial moraines. D) Estuaries. Show Answer Correct Answer: C) Glacial moraines. 57. In 2001 massive Earthquake occured in A) Bhuj (Gujarat). B) Jammu and Kashmir. C) Chamoli (Uttarakhand). D) Latur (Maharashtra). Show Answer Correct Answer: A) Bhuj (Gujarat). 58. When the wind blows, it lifts and transports sand from one place to another. When it stops blowing the sand falls and gets deposited in low hill like structures. These are called A) Sand dunes. B) Mushroom rocks. C) Loess. D) None of the above. Show Answer Correct Answer: A) Sand dunes. 59. What is important to know about this chapter? A) There are very few things people can recycle. B) People cannot reuse clothes and books. C) People recycle, reduce and reuse to help earth. D) None of the above. Show Answer Correct Answer: C) People recycle, reduce and reuse to help earth. 60. Tectonic plates move because of A) Thermal energy moving material within Earth. B) Mechanical energy moving wind and water. C) Thermal energy from the sun. D) Radiant energy from the sun. Show Answer Correct Answer: A) Thermal energy moving material within Earth. ← 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 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 8Class 7 Geography Chapter 3 Our Changing Earth Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books