This quiz works best with JavaScript enabled. Home > Class 7 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the process of sedimentation? A) Sedimentation involves the mixing of particles in a fluid. B) Sedimentation is the process of particles being suspended in a fluid. C) Sedimentation is the process of evaporation of water from a liquid. D) Sedimentation is the process of particles settling out of a fluid due to gravity. Show Answer Correct Answer: D) Sedimentation is the process of particles settling out of a fluid due to gravity. 2. ..... 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. 3. 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. 4. The process by which sediment comes to rest in water or other low-lying areas. A) Deposition. B) Subsidence. C) Uplift. D) Rift Zone. Show Answer Correct Answer: A) Deposition. 5. A seamount is a A) Undersea volcanic mountain. B) A deep trench undersea. C) All the above. D) None of the above. Show Answer Correct Answer: A) Undersea volcanic mountain. 6. Which is the biggest desert in the world? A) Tundra desert, Russia. B) Sahara desert, Africa. C) Thar desert, India. D) Kalahari desert, Africa. Show Answer Correct Answer: B) Sahara desert, Africa. 7. 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. 8. What type of earth movements are associated with the movement of molten magma? A) Sudden movements. B) Slow movements. C) Tectonic movements. D) Exogenic movements. Show Answer Correct Answer: B) Slow movements. 9. 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. 10. 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. 11. 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). 12. 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. 13. 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. 14. 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. 15. Which of the following is NOT exogenic force A) Volcano. B) Wind. C) Sea Waves. D) Glaciers. Show Answer Correct Answer: A) Volcano. 16. From the Earth's crust toward the inner core, pressure and temperature- A) Increase. B) Decrease. C) Stay the same. D) Become equal. Show Answer Correct Answer: A) Increase. 17. What rocks are formed when hot melted rock (magma/lava) cools? A) Igneous. B) Sedimentary. C) Metamorphic. D) None of the above. Show Answer Correct Answer: A) Igneous. 18. Which layer is the hot layer of melted rock? A) Crust. B) Mantle. C) Inner Core. D) Outer Core. Show Answer Correct Answer: D) Outer Core. 19. The circular movement of molten magma is associated with which forces? A) Exogenic forces. B) Endogenic forces. C) Tectonic forces. D) Weathering forces. Show Answer Correct Answer: B) Endogenic forces. 20. When the Lithospheric plates move, the surface of the earth vibrates, called A) Volcano. B) Landslide. C) Earthquake. D) Asthenosphere. Show Answer Correct Answer: C) Earthquake. 21. The type of boundary where plates move apart; under the ocean this causes magma to rise up, cool, and form ridges or new sea floor A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: B) Divergent. 22. The Richter scale was Invented in A) 1935. B) 1889. C) 1947. D) 1945. E) 1978. Show Answer Correct Answer: A) 1935. 23. Which is the origin of the seismic energy? A) Epicentre. B) Focus. C) Plate boundary. D) None of the above. Show Answer Correct Answer: B) Focus. 24. What term is used for the forces that cause changes on the surface of the earth? A) Geological forces. B) Geological movements. C) Surface forces. D) Geomorphic forces. Show Answer Correct Answer: D) Geomorphic forces. 25. Which of these things cause weathering? A) Wind. B) Water. C) Ice. D) All of these. Show Answer Correct Answer: D) All of these. ← PreviousNext →Related 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 9Class 7 Geography Chapter 3 Our Changing Earth Quiz 10Class 7 Geography Chapter 3 Our Changing Earth Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books