This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 3 Our Changing Earth – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 3 Our Changing Earth Quiz 30 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. P waves travel at a speed of A) 6 km/s. B) 8 km/s. C) 20 km/s. D) 32 km/m. Show Answer Correct Answer: A) 6 km/s. 2. Manioc is the staple food of- A) Fragment Basin. B) Africa. C) Amazon Basin. D) None of the above. Show Answer Correct Answer: C) Amazon Basin. 3. Quartzite rock is a metamorphic rock. This means it was formed by: A) Layers cementing together. B) Heat and pressure. C) Wind and water. D) Melting and cooling. Show Answer Correct Answer: B) Heat and pressure. 4. This is a process where pieces of soil, rock, or sand are moved by wind, water or ice. A) Conserve. B) Litter. C) Weathering. D) Erosion. Show Answer Correct Answer: D) Erosion. 5. What are the sudden forces? A) Volcano. B) Earthquake. C) Building of Mountains. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 6. The machine used to measure an earthquakes' magnitude A) Odometer. B) Stethoscope. C) Seismograph. D) Oximeter. Show Answer Correct Answer: C) Seismograph. 7. How long does it take for weathering to change a rock? A) Many days. B) Many weeks. C) Many years. D) None of the above. Show Answer Correct Answer: C) Many years. 8. What covers most of the Earth's surface? A) Rivers. B) Oceans. C) Lakes. D) None of the above. Show Answer Correct Answer: B) Oceans. 9. Which ruler first established his capital at Delhi? A) Turkish ruler. B) Your prince ruler. C) Khalji dynasty. D) Chauhans ruler. Show Answer Correct Answer: B) Your prince ruler. 10. Which is the correct order of the Earths layers? A) Inner core, outer core, mantle, crust. B) Crust, inner core, outer core, mantle. C) Crust, mantle, inner core, outercore. D) Crust, mantle, outer core, inner core. Show Answer Correct Answer: D) Crust, mantle, outer core, inner core. 11. Fossils are most commonly found in ..... rock. A) Metamorphic. B) Tar. C) Sedimentary. D) Ice. Show Answer Correct Answer: C) Sedimentary. 12. He energy generated, within the Earth is the main force behind A) External forces. B) Endogenic forces. C) All the above. D) None of the above. Show Answer Correct Answer: B) Endogenic forces. 13. Which of these is an opinion? A) Volcanoes have lava. B) Tsunamis are the worst disasters. C) Erosion shapes cliffs. D) Earthquakes shake the ground. Show Answer Correct Answer: B) Tsunamis are the worst disasters. 14. Geothermal energy comes from- A) Large wind storms. B) The interior of the earth. C) Currents near the equator. D) Fossil fuels. Show Answer Correct Answer: B) The interior of the earth. 15. Layer below the Earth's crust A) Crust. B) Mantle. C) Outer core. D) Inner core. Show Answer Correct Answer: B) Mantle. 16. What are the deposits of fine and light sand carried by wind called? A) Mushroom rocks. B) Sand dunes. C) Loess. D) Moraines. Show Answer Correct Answer: C) Loess. 17. Which of the following is the part of the middle-course A) Gorge. B) Braided river. C) Delta. D) V-shaped valley. Show Answer Correct Answer: B) Braided river. 18. The plates around very ..... just a few ..... each year A) Fast, meters. B) Quickly, inches. C) Slowly, millimetres. D) None of the above. Show Answer Correct Answer: C) Slowly, millimetres. 19. Ox-bow lake is also known as A) Cut-off lake. B) Cut-on lake. C) Cut-down lake. D) Cut-up lake. Show Answer Correct Answer: A) Cut-off lake. 20. What is a vent in the earth's crust through which molten material erupts suddenly called? A) Volcano. B) Crater. C) Earthquake. D) Crust. Show Answer Correct Answer: A) Volcano. 21. What is the difference between magma and lava? A) Magma is below the crust; lava is above the crust. B) Magma is red, lava is orange. C) Magma is very hot, lava is cool to the touch. D) Magma is a liquid, lava is a solid. Show Answer Correct Answer: A) Magma is below the crust; lava is above the crust. 22. ..... is classified as a major earthquake. A) 2. B) 7. C) 5. D) 0.5. Show Answer Correct Answer: B) 7. 23. The ..... cuts off from the river and forms an ox bow lake. A) Levee. B) River bank. C) Meander. D) None of the above. Show Answer Correct Answer: C) Meander. 24. Which gas creates green house effect in the atmosphere? A) Carbon dioxide. B) Ozone. C) Oxygen. D) None of these. Show Answer Correct Answer: A) Carbon dioxide. 25. Earth quick is measured with a scale called A) Seismograph. B) Of the Migraph. C) Seismoghraphy. D) Seisomograph. Show Answer Correct Answer: A) Seismograph. ← 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 8Class 7 Geography Chapter 3 Our Changing Earth Quiz 9Class 7 Geography Chapter 3 Our Changing Earth Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books