This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Inside Our Earth > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 9 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which layer of the Earth has very high temperature and pressure? A) Core. B) Crust. C) Mantle. D) Both a and c. Show Answer Correct Answer: A) Core. 2. Sedimentum means ..... and is a ..... word. A) Settle down, english. B) Settle down, latin. C) Change form, latin. D) None of the above. Show Answer Correct Answer: B) Settle down, latin. 3. The rocks that cool below are called A) Extrusive rocks. B) Intrusive rocks. C) All the above. D) None of the above. Show Answer Correct Answer: B) Intrusive rocks. 4. Mantle form ..... percent of earths volume A) 85. B) 83. C) 48. D) 84. Show Answer Correct Answer: D) 84. 5. The radius of the Earth A) 6732 km. B) 6371 km. C) 7651 km. D) 5673 km. Show Answer Correct Answer: B) 6371 km. 6. What is the temperature and pressure like in the central core? A) Low temperature and pressure. B) Extreme temperature and pressure. C) High temperature and pressure. D) Moderate temperature and pressure. Show Answer Correct Answer: C) High temperature and pressure. 7. The earth can be divided into three concentric layers A) Crust, mentel, core. B) Cruust, mantle, coore. C) Crust, mantle, core. D) None of the above. Show Answer Correct Answer: C) Crust, mantle, core. 8. What are the major types of rocks found in the Earth's crust? A) Intrusive and extrusive igneous rocks. B) Metamorphic and sedimentary rocks. C) Igneous and sedimentary rocks. D) Extrusive and intrusive rocks. Show Answer Correct Answer: A) Intrusive and extrusive igneous rocks. 9. How deep is the crust on oceanic crust? A) 2021 km. B) 35 km. C) 5 m. D) 5 km. Show Answer Correct Answer: D) 5 km. 10. The innermost layer of the earth is hotter than earth's surface. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 11. The deepest mine in the world is in South Africa is of ..... km A) 6. B) 7. C) 8. D) None of the above. Show Answer Correct Answer: A) 6. 12. Which rock is formed by the cooling of molten magma at the surface? A) Intrusive igneous rock. B) Extrusive igneous rock. C) Metamorphic rock. D) Sedimentary rock. Show Answer Correct Answer: B) Extrusive igneous rock. 13. What is the term for loose sediments that are compressed and hardened to form layers of rocks? A) Sediments. B) Magma. C) Grains. D) Fossils. Show Answer Correct Answer: A) Sediments. 14. Igneous rocks are made up of A) Molted Ice. B) Cool water. C) Cool Molted magma. D) Hot water. E) Glaciers. Show Answer Correct Answer: C) Cool Molted magma. 15. What type of rocks are used for making roads, houses, and buildings due to their hardness? A) Metamorphic rocks. B) Extrusive rocks. C) Igneous rocks. D) Sedimentary rocks. Show Answer Correct Answer: C) Igneous rocks. 16. The lower mantle is made up of A) Molten material. B) Solid metal. C) Hard rocks. D) None of the above. Show Answer Correct Answer: A) Molten material. 17. The Earth's magnetic field is caused by A) Magnets placed at the north and south poles by elves. B) Convection currents in the atmosphere. C) The lithosphere floating on the asthenosphere. D) Convection currents in the liquid outer core. Show Answer Correct Answer: D) Convection currents in the liquid outer core. 18. The depth of mantle is 2900 km. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 19. Which layer of the Earth has the largest volume? A) Mantle. B) Core. C) Sima. D) Crust. Show Answer Correct Answer: A) Mantle. 20. Five stone is also known as A) Gyp. B) Hopscotch. C) Seven stones. D) Gone. Show Answer Correct Answer: D) Gone. 21. It is the thinnest of all the layers of the Earth. A) Crust. B) Ocean. C) Core. D) Mantle. Show Answer Correct Answer: A) Crust. 22. Which one of the following called as primary rocks? A) Sedimentary rocks. B) Hard rocks. C) Igneous rocks. D) Metamorphic rocks. Show Answer Correct Answer: C) Igneous rocks. 23. Rocks are used in A) Making roads. B) Building houses. C) Playing games. D) All of these. Show Answer Correct Answer: D) All of these. 24. Which is the thinnest layer of the earth's interior: A) The Mantle. B) The Crust. C) The Troposphere. D) The Core. Show Answer Correct Answer: B) The Crust. 25. ..... can be of different colour, size and texture A) Rocks. B) Mineral. C) Humus. D) None of them above. Show Answer Correct Answer: A) Rocks. 26. THE UPPERMOST LAYER = A) SEDIMENTS. B) CRUST. C) CORE. D) MANTLE. Show Answer Correct Answer: B) CRUST. 27. Why is it not possible to go inside the interior of the Earth? A) Extreme Wind. B) Extreme Heat. C) Extreme Water. D) Extreme Cold. Show Answer Correct Answer: B) Extreme Heat. 28. What was the act protest in 1991 A) Coastal zone regulation. B) Promotion of organic farming. C) Enviromental impact assessment. D) Decentralized water-harvesting. Show Answer Correct Answer: A) Coastal zone regulation. 29. NICKEL AND IRON IS JOINTLY CALLED A) Said. B) LOVE. C) NCI. D) KNIFE. Show Answer Correct Answer: B) LOVE. 30. What is thickest layer A) Mantel. B) Crust. C) Crore. D) Endogenic. Show Answer Correct Answer: B) Crust. 31. There are three major types of rocks except A) Metamorphic rocks. B) Mantle rocks. C) Sedimentary rocks. D) Igneous rocks. Show Answer Correct Answer: B) Mantle rocks. 32. The forces which act in the interior of the earth are called as A) Speed force. B) Endogenic force. C) Slow force. D) Exogenic force. Show Answer Correct Answer: B) Endogenic force. 33. Full form of sial A) Silica and alumina. B) Silica and magnesium. C) Nickel and iron. D) None of the above. Show Answer Correct Answer: A) Silica and alumina. 34. Which of the following is biotic A) Plants. B) Land. C) Water. D) Soil. Show Answer Correct Answer: A) Plants. 35. Our earth is made up of several ..... circles A) Concentric. B) Semi. C) All the above. D) None of the above. Show Answer Correct Answer: A) Concentric. 36. MANTLE MAKES HOW MUCH PERCENT A) 14. B) 15. C) 84. D) 23. Show Answer Correct Answer: C) 84. 37. Rocks that contain fossils are called A) Sedimentary rocks. B) Core. C) Igneous rocks. D) Metamorphic rocks. Show Answer Correct Answer: A) Sedimentary rocks. 38. What is the layer under the crust? A) Outer core. B) Inner core. C) Mantle. D) None of the above. Show Answer Correct Answer: C) Mantle. 39. Which layer of the Earth has the highest temperature and pressure? A) Crust. B) Sima. C) Core. D) Mantle. Show Answer Correct Answer: C) Core. 40. What type of rock is limestone, which can change into marble under heat and pressure? A) Igneous rock. B) Fossilized rock. C) Metamorphic rock. D) Sedimentary rock. Show Answer Correct Answer: C) Metamorphic rock. 41. What is the name of the process in which rocks change into other types? A) Rock cycle. B) Weathering. C) Both A and B. D) None of these. Show Answer Correct Answer: A) Rock cycle. 42. ..... layer is present in molten stage. A) Core. B) Mantle. C) Volcano. D) Crust. Show Answer Correct Answer: B) Mantle. 43. In the Word Nife ;Defines? A) Nickel. B) Niobium. C) Nitrogen. D) None of the above. Show Answer Correct Answer: A) Nickel. 44. Tropical evergreen forest found are also called? A) Tropical rain forest. B) Tropical dry forest. C) Tropical deciduous forest. D) None of these. Show Answer Correct Answer: A) Tropical rain forest. 45. The concentric layers of the earth are ..... , ..... and ..... A) Igneous, Sedimentary and Metamorphic. B) Crust, mantle and core. C) All the above. D) None of the above. Show Answer Correct Answer: B) Crust, mantle and core. 46. Minerals are used in A) Industries. B) Vehicles. C) Medicines. D) All of these. Show Answer Correct Answer: D) All of these. 47. The earth, our homeland is a ..... planet. A) Dynamic. B) Friendly. C) Onion. D) Cool. Show Answer Correct Answer: A) Dynamic. 48. What is the term for the process by which rocks are broken down into smaller particles due to physical forces? A) Deposition. B) Metamorphism. C) Weathering. D) Erosion. Show Answer Correct Answer: C) Weathering. 49. What is the term for the process of rocks rolling down, hitting each other, and breaking into smaller pieces? A) Sedimentation. B) Metamorphism. C) Erosion. D) Weathering. Show Answer Correct Answer: C) Erosion. 50. Another name for sedimentary rocks is A) Fire rocks. B) Layered rocks. C) Lava. D) Primary rocks. Show Answer Correct Answer: B) Layered rocks. 51. Metamorphose means A) Change of ice. B) Change of form. C) Change of lava. D) None of the above. Show Answer Correct Answer: B) Change of form. 52. What type of igneous rocks cool down slowly inside the earth's crust and have large grains? A) Metamorphic rocks. B) Sedimentary rocks. C) Intrusive rocks. D) Extrusive rocks. Show Answer Correct Answer: C) Intrusive rocks. 53. The detailed study of the interior of the Earth is done by ..... A) Doctor. B) Archaeologist. C) Geologist. D) Scientist. Show Answer Correct Answer: C) Geologist. 54. Which layer of the Earth is responsible for the generation of the planet's magnetic field? A) Mantle. B) Outer Core. C) Inner Core. D) Crust. Show Answer Correct Answer: B) Outer Core. 55. How much percentage of the earth is made of the crust? A) 5%. B) 1%. C) 2%. D) 50%. Show Answer Correct Answer: B) 1%. 56. What are the component of human environment A) Family, Community, Religion. B) Buildings, Parks, Industries. C) Hydrosphere Atmosphere Lithosphere. D) Monuments, Water, Roads. Show Answer Correct Answer: A) Family, Community, Religion. 57. Where was the deepest mine done A) America. B) Russia. C) Africa. D) Saudi Arabia. Show Answer Correct Answer: C) Africa. 58. What is the other name for igneous rocks? A) Primary rocks. B) Extrusive rocks. C) Intrusive rocks. D) None of these. Show Answer Correct Answer: A) Primary rocks. 59. The Core mainly made up of A) UNLUCKY. B) LOVE. C) WHAT. D) Ne. Show Answer Correct Answer: B) LOVE. 60. The deepest mine is in A) America. B) Europe. C) South africa. D) Asia. Show Answer Correct Answer: C) South africa. ← 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