This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 3 Our Changing Earth – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 3 Our Changing Earth Quiz 1 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. People can slow down erosion by ..... A) Cutting the grass. B) Planting trees. C) Putting up solar panels. D) Add more dirt. Show Answer Correct Answer: B) Planting trees. 2. The world's highest waterfall is: A) Niagara Falls. B) Victoria Falls. C) Angel Falls. D) None of the above. Show Answer Correct Answer: C) Angel Falls. 3. The point inside the Earth from where the Earthquake originates is called the ..... A) Main point. B) Center. C) Focus. D) Epicenter. Show Answer Correct Answer: C) Focus. 4. When we refill our plastic water bottle instead of throwing it away. A) Reduce. B) Reuse. C) Recycle. D) None of the above. Show Answer Correct Answer: B) Reuse. 5. The Earth always remains the same A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Earthquakes, volcanoes, mountains, and ocean ridges are formed by: A) Weathering. B) Deposition. C) Plate tectonics. D) Fossils. Show Answer Correct Answer: C) Plate tectonics. 7. The raised banks A) FLOOD PLAIN. B) LEEVES. C) Ox-bow lake. D) None of the above. Show Answer Correct Answer: B) LEEVES. 8. Why are certain layers of Earth's interior liquid? A) The earth's internal temperature decreases as it moves away from the core towards the earth's crust. B) The intense pressure from inside the earth turns the mantle and crust into liquid. C) The tectonic plates move so fast that they turn the mantle to liquid. D) The magnetic pull from the north and south poles turns the first two layers of earth into liquid. Show Answer Correct Answer: A) The earth's internal temperature decreases as it moves away from the core towards the earth's crust. 9. What theory suggest that our world is built on large pieces of rock that are in constant, slow motion? A) Plate tectonics. B) Subduction. C) Convection currents. D) Geological time scale. Show Answer Correct Answer: A) Plate tectonics. 10. Deposition of sand in a low hill like structure is known as a: A) Desert. B) Hill. C) Sand dunes. D) None of the above. Show Answer Correct Answer: C) Sand dunes. 11. The Gulf Stream current makes the waters of North Atlantic A) Cooler. B) Warmer. C) More dense. D) Less nutrient rich. Show Answer Correct Answer: B) Warmer. 12. Which of the following rivers does not form a delta? A) Mahanadi. B) Godavari. C) Krishna. D) Narmada. Show Answer Correct Answer: D) Narmada. 13. ..... is the part where the plates touch A) Boundary. B) Fault. C) Erosion. D) Mountain. Show Answer Correct Answer: B) Fault. 14. Isolated mass of rising steep rock near coastline are A) Stack. B) Cliff. C) Cave. D) Both 1 and 2. Show Answer Correct Answer: A) Stack. 15. Melt A) Moisten. B) Dry. C) Melt. D) None of the above. Show Answer Correct Answer: C) Melt. 16. Which of these BEST describes how an igneous rock forms? A) Cooling of magma. B) Weathering of other rocks. C) Colliding of tectonic plates. D) Pressing together of smaller rocks. Show Answer Correct Answer: A) Cooling of magma. 17. Which is a work of wind? A) Cliffs. B) Mushroom rocks. C) Sea waves. D) Stacks. Show Answer Correct Answer: B) Mushroom rocks. 18. Beach is the deposional feature of: A) The River. B) Winds. C) Waves. D) Glaciers. Show Answer Correct Answer: C) Waves. 19. When two plates slide past each other A) Convergent. B) Divergent. C) Transform. D) None of the above. Show Answer Correct Answer: C) Transform. 20. Movement of soil and rock on the Earth's surface A) Weathering. B) Erosion. C) Deposition. D) None of the above. Show Answer Correct Answer: B) Erosion. 21. Deposition of sand in a low hills like structure is known as a A) Glacier. B) Sand dunes. C) Hill. D) Desert. Show Answer Correct Answer: B) Sand dunes. 22. The magnitude of the earthquake is measured on the ..... scale A) Seismograph. B) Richter. C) All the above. D) None of the above. Show Answer Correct Answer: B) Richter. 23. Which of the following is NOT a cause of an earthquake? A) Collapse of Cavern. B) Eruption of Volcano. C) Lightning Strikes. D) Moving Tectonic Plates. Show Answer Correct Answer: C) Lightning Strikes. 24. The ..... of the earthquake is measured on the richter scale. A) Movement. B) Vibrations. C) Magnitude. D) None of the above. Show Answer Correct Answer: C) Magnitude. 25. Sand, mud and pebbles that come from rocks that have been weathered by wind, water, waves and ice are A) Erosion. B) Deposition. C) Sediment. D) Landslides. Show Answer Correct Answer: C) Sediment. 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