This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Inside Our Earth > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 12 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which type of rock is formed from the cooling and solidification of molten magma deep within the Earth? A) Metamorphic rock. B) Intrusive igneous rock. C) Extrusive igneous rock. D) Sedimentary rock. Show Answer Correct Answer: B) Intrusive igneous rock. 2. The study of rocks is called ..... A) Chemistry. B) Petrology. C) Biology. D) Astronomy. Show Answer Correct Answer: B) Petrology. 3. Igneous rocks in Latin word A) Fire. B) Water. C) Air. D) None of the above. Show Answer Correct Answer: A) Fire. 4. Engineers have dug a hole in South Africa for ..... A) Coal. B) Oil. C) Gold. D) None of the above. Show Answer Correct Answer: B) Oil. 5. The Deccan plateau is mainly made up of A) Basalt rocks. B) Sandstone. C) Marble. D) Granite. Show Answer Correct Answer: A) Basalt rocks. 6. Which of the layer has the volume about 15% of the earth? A) Mantle layer. B) Crust layer. C) Core layer. D) None of these. Show Answer Correct Answer: C) Core layer. 7. Pumice is a type of ..... rock. A) Metamorphic. B) Volcanic. C) Sedimentary. D) Igneous. Show Answer Correct Answer: D) Igneous. 8. Igneous rocks are made from ..... A) Sediments. B) Lava. C) Water. D) Volcano. Show Answer Correct Answer: B) Lava. 9. True/False:Mantle is the innermost layer of the Earth. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Latin word igneous means ..... A) Settle down. B) Water. C) Wind. D) Lava. E) Fire. Show Answer Correct Answer: E) Fire. 11. Information about the interior of the earth is provided by A) Geologists. B) Core. C) Volcanoes. D) Earthquake waves. Show Answer Correct Answer: A) Geologists. 12. Like an onion, the Earth is made up of several concentric layers (one inside the other). What is the uppermost layer of Earth called? A) Core. B) Crust. C) Mantle. D) Magma. Show Answer Correct Answer: B) Crust. 13. The radios of earth is ..... A) 7654 km. B) 5463 Km. C) 6500 km. D) 6371 Km. Show Answer Correct Answer: D) 6371 Km. 14. Matle is ..... km thick A) 2900. B) 3500. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2900. 15. What process involves the transformation of rocks from one type to another in a cyclic manner? A) Metamorphism. B) Rock cycle. C) Weathering. D) Erosion. Show Answer Correct Answer: B) Rock cycle. 16. The average density of the earth is about A) 5.5g per cubic cm. B) 10g per cubic cm. C) All the above. D) None of the above. Show Answer Correct Answer: A) 5.5g per cubic cm. 17. ..... rocks is also known as fire rocks. A) Igneous. B) Sedimentary. C) Metamorphic. D) None of the above. Show Answer Correct Answer: A) Igneous. 18. IN WHICH ROCK FOSSILS ARE FOUND? A) IGNEOUS. B) SEDIMENTARY. C) METAMORPHIC. D) None of the above. Show Answer Correct Answer: B) SEDIMENTARY. 19. Metallic ores are found in which types of rocks A) Igneous. B) Sedimentary. C) Metamorphic. D) None of the above. Show Answer Correct Answer: A) Igneous. 20. Which of them have larger crystals A) Extrusive rocks. B) Intrusive rocks. C) All the above. D) None of the above. Show Answer Correct Answer: B) Intrusive rocks. 21. The detailed study of interior of the earth is done by A) Geologist. B) Geographers. C) All the above. D) None of the above. Show Answer Correct Answer: A) Geologist. 22. The thinnest layer of the earth is the ..... A) Outer core. B) Mantle. C) Inner core. D) Crust. Show Answer Correct Answer: D) Crust. 23. The maximum volume of the earth constitutes of which layer A) Crust. B) Mantle. C) Core. D) None of the above. Show Answer Correct Answer: B) Mantle. 24. Formed by the rapid cooling of molten lava A) Extrusive igneous rocks. B) Intrusive igneous rocks. C) All the above. D) None of the above. Show Answer Correct Answer: A) Extrusive igneous rocks. 25. The earth's inner core is primarily made up of: A) Silica and alumina. B) Silica and magnesium. C) Nickel and iron. D) Iron and aluminium. Show Answer Correct Answer: C) Nickel and iron. 26. Using data from seismic waves, geologists have learned that Earth's interior is made up of several A) Trenches. B) Layers. C) Continents. D) Ridges. Show Answer Correct Answer: B) Layers. 27. Good source of fossil fuels A) Igneous. B) Sedimentary. C) Metamorphic. D) None of the above. Show Answer Correct Answer: B) Sedimentary. 28. The crust forms how much per cent of the volume of the earth, A) 1. B) '11. C) 5. D) 0.5. Show Answer Correct Answer: A) 1. 29. Steppe grassland is found in: A) Australia. B) South Africa. C) North America. D) Central Asia. Show Answer Correct Answer: D) Central Asia. 30. What is the main reason for formation of beaches? A) River erosion. B) Glacial scraping. C) Sea wave deposition. D) Wind erosion. Show Answer Correct Answer: C) Sea wave deposition. 31. NATURALLY OCCURING SUBSTANCES WHICH HAVE CERTAIN PHYSICAL PROPERTIES ARE A) MINERALS. B) VITAMINS. C) CHEMICALS. D) ROCKS. Show Answer Correct Answer: A) MINERALS. 32. 10 ..... is formed by recrystallization of limestone. A) Gneiss. B) Gypsum. C) Marble. D) Basalt. Show Answer Correct Answer: C) Marble. 33. THE THREE TYPES OF ROCKS ARE A) IGNEOUS, SEDIMANTARY, METAMORPHIC. B) LAVA ROCKS, MAGMA, CORE. C) All the above. D) None of the above. Show Answer Correct Answer: A) IGNEOUS, SEDIMANTARY, METAMORPHIC. 34. Weathering ..... A) Breaks it. B) Takes it. C) Drops it. D) None of the above. Show Answer Correct Answer: A) Breaks it. 35. Mantle extends up to A) 2900 km. B) 29000 km. C) 2090 km. D) None of the above. Show Answer Correct Answer: A) 2900 km. 36. What is the process called when igneous rocks are subjected to heat and pressure, leading to their transformation? A) Weathering. B) Rock cycle. C) Erosion. D) Sedimentation. Show Answer Correct Answer: B) Rock cycle. 37. FIND THE ODD ONE OUT KEEPING WORLD WAR ONE IN MIND? A) Britian. B) POLAND. C) USA. D) FRANCE. Show Answer Correct Answer: B) POLAND. 38. What happens to pressure as we move from the crust to the inner core? A) Pressure Decreases. B) Pressure Increases. C) Nothing. D) None of the above. Show Answer Correct Answer: B) Pressure Increases. 39. Metamorphic means: A) Settle down. B) Fire. C) Lava. D) Change in form. Show Answer Correct Answer: D) Change in form. 40. Metamorphic rocks can also be converted back into igneous rocks. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 41. Crust is about how much on the continental mass? A) 35 km. B) 2900 km. C) 2000km. D) 45 km. Show Answer Correct Answer: A) 35 km. 42. ..... rocks are broken down into small particles that are transported and deposited to form sedimentary rocks. A) Metamorphic. B) Igneous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Igneous. 43. When was the mid day meal made? A) 2001. B) 2019. C) 1001. D) 1903. Show Answer Correct Answer: A) 2001. 44. The crust is ..... %, manthe is ..... % and core is ..... % of the total volume of Earth A) 15, 1, 84. B) 17, 15, 68. C) 1, 84, 15. D) 84, 1, 15. Show Answer Correct Answer: C) 1, 84, 15. 45. Igneous rocks do not have remaines of animals and plants A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 46. Mantle it lies between ..... and ..... A) Outer core, core. B) Core, crust. C) All the above. D) None of the above. Show Answer Correct Answer: B) Core, crust. 47. Which is the thinest layer of earth?? A) Crust. B) Mantle. C) Outer Core And Inner Core. D) All are of same thickness. Show Answer Correct Answer: A) Crust. 48. What does Igneous mean in Latin A) Cool. B) Water. C) Coming out. D) Fire. Show Answer Correct Answer: D) Fire. 49. The Victoria Memorial in Kolkata is made up of ..... A) Granite. B) Red Sandstone. C) Marble. D) Limestone. Show Answer Correct Answer: C) Marble. 50. The thickness of Mantle is A) 1900 KM. B) 2900 KM. C) 4900 KM. D) 3900 KM. Show Answer Correct Answer: B) 2900 KM. 51. Layers of the Earth A) Crusth, mantl and corre. B) Crust, mantle and core. C) Crustse, manthle and coore. D) Crusty, mantlye and corye. Show Answer Correct Answer: B) Crust, mantle and core. 52. What type of rocks are formed when the magma cools down deep inside the earth's crust? A) Mantle rocks. B) Magma rocks. C) Intrusive igneous rocks. D) Sedimentary rocks. Show Answer Correct Answer: C) Intrusive igneous rocks. 53. The core has a radius about ..... ? A) What is radius?. B) 6371 km. C) 7564 km. D) 3500 km. Show Answer Correct Answer: D) 3500 km. 54. Crore is layer of A) Mercury. B) Earth. C) Mars. D) None. Show Answer Correct Answer: B) Earth. 55. What is the uppermost layer of the earth? A) Outer core. B) Inner core. C) Crust. D) Mantle. Show Answer Correct Answer: C) Crust. 56. Core iss also known as A) Barysphere. B) Lithosphere. C) All the above. D) None of the above. Show Answer Correct Answer: A) Barysphere. 57. How many percentage of core is formed out of the total volume of earth? A) 12%. B) 15.6%. C) 15%. D) None of the above. Show Answer Correct Answer: C) 15%. 58. Which layer of earth has high temperature A) Mantle. B) Crust. C) Inner core. D) Outer core. Show Answer Correct Answer: C) Inner core. 59. What percentage of the Earth's volume is made up of the crust? A) 0.01. B) 0.15. C) 0.84. D) 0.5. Show Answer Correct Answer: A) 0.01. 60. The meaning of Igneous rock A) Latin-fire. B) Greek-form. C) Latin-settle down. D) Latin-earth. Show Answer Correct Answer: A) Latin-fire. ← PreviousNext →Related QuizzesGeography QuizzesClass 7 QuizzesClass 7 Geography Chapter 2 Inside Our Earth Quiz 1Class 7 Geography Chapter 2 Inside Our Earth Quiz 2Class 7 Geography Chapter 2 Inside Our Earth Quiz 3Class 7 Geography Chapter 2 Inside Our Earth Quiz 4Class 7 Geography Chapter 2 Inside Our Earth Quiz 5Class 7 Geography Chapter 2 Inside Our Earth Quiz 6Class 7 Geography Chapter 2 Inside Our Earth Quiz 7Class 7 Geography Chapter 2 Inside Our Earth Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books