This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Inside Our Earth > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 13 (52 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which rock changes into marble under heat and pressure? A) Limestone. B) Clay. C) Basalt. D) Granite. Show Answer Correct Answer: A) Limestone. 2. Using items over and over again or in a new way ..... A) Particulates. B) Natural resources. C) Conservation. D) Recycling. Show Answer Correct Answer: D) Recycling. 3. Which type of rocks may contain fossils of plants, animals, and micro-organisms? A) Granite rocks. B) Sedimentary rocks. C) Igneous rocks. D) Metamorphic rocks. Show Answer Correct Answer: B) Sedimentary rocks. 4. Marble is a type of ..... rock A) Metamorphic. B) Expensive. C) Sedimentary. D) Igneous. Show Answer Correct Answer: A) Metamorphic. 5. Rocks that have been changed due to excessive heat and pressure are called ..... A) Metamorphic. B) Sedimentary. C) Igneous. D) None of the above. Show Answer Correct Answer: A) Metamorphic. 6. What is the combination that forms ( SIAL ) when together? A) Carbon + aluminium. B) Nylon + silk. C) Silica + aluminium. D) Igneous + sedimentary. Show Answer Correct Answer: C) Silica + aluminium. 7. The lithosphere is broken into a number of plates known as the ..... A) Mantle Plates. B) Metal Plates. C) Lithospheric Plates. D) Core Plates. Show Answer Correct Answer: C) Lithospheric Plates. 8. What is the uppermost layer called A) Inner core. B) Crust. C) Outer core. D) Mantle. Show Answer Correct Answer: B) Crust. 9. Transformation of one rock to another is known as A) Rock Transformation. B) Rock Cycle. C) Transformation. D) None. Show Answer Correct Answer: B) Rock Cycle. 10. ..... because people pollute lakes, rivers and oceans with garbage and oil. A) People cut down rainforest. B) Sea life and birds are in danger. C) Icebergs are melting in the Arctic. D) Greenhouse gases keep the earth warm. Show Answer Correct Answer: B) Sea life and birds are in danger. 11. There is an outer and inner ..... in the interior of the earth A) Crust. B) Core. C) All the above. D) None of the above. Show Answer Correct Answer: B) Core. 12. The temperature at the centre of the earth is estimated to be- A) 500 degree C. B) 10, 000 degree C. C) 50, 000 degree C. D) 5, 000 degree C. Show Answer Correct Answer: D) 5, 000 degree C. 13. Metamorphic rocks are also known as A) Primary rocks. B) Secondary rocks. C) Tertiary rocks. D) None of the above. Show Answer Correct Answer: B) Secondary rocks. 14. The average radius of the mantle is about A) 2900 km. B) 3900 m. C) 3500 km. D) 2300 km. Show Answer Correct Answer: A) 2900 km. 15. Which landform is formed when a river erodes a steep slope? A) Meander. B) Delta. C) Waterfall. D) Levee. Show Answer Correct Answer: C) Waterfall. 16. Crust is about ..... km. on the continental masses and only ..... km. on the ocean floors. A) 35and 5. B) 30 and 5. C) 30 and 55. D) None of the above. Show Answer Correct Answer: A) 35and 5. 17. Name the two types of rocks formed by igneous rocks A) Sedimentary Rocks. B) Metamorphic Rocks. C) Intrusive Rocks. D) Extrusive Rocks. E) Both c and d. Show Answer Correct Answer: E) Both c and d. 18. What are three types of rock A) Mantle. B) Igneous. C) Igneous, sedimentary, metamorphic. D) Crust. Show Answer Correct Answer: C) Igneous, sedimentary, metamorphic. 19. What type of rocks are formed from sediments that are transported, deposited, and compressed over time? A) Extrusive rocks. B) Igneous rocks. C) Sedimentary rocks. D) Metamorphic rocks. Show Answer Correct Answer: C) Sedimentary rocks. 20. Earth is a ..... planet A) Different. B) Dynamic. C) Drawf. D) Unique. Show Answer Correct Answer: D) Unique. 21. What is the main composition of the Earth's core? A) Nickel and iron. B) Silica and alumina. C) Silica and magnesium. D) Nickel and magnesium. Show Answer Correct Answer: A) Nickel and iron. 22. The temperature at the centre is estimated to be about A) 5000*c. B) 10000*c. C) All the above. D) None of the above. Show Answer Correct Answer: A) 5000*c. 23. By what metamorphic rocks are formed A) By burying rocks. B) By great heat and pressure. C) By decomposing. D) By breaking. Show Answer Correct Answer: B) By great heat and pressure. 24. Which of the following describes rocks formed when sediments are buried, compacted, and cemented together? A) Foliated. B) Organic. C) Clastic. D) Nonfoliated. E) The answer rhymes with spastic. Show Answer Correct Answer: C) Clastic. 25. What are the main mineral constituents of the continental mass? A) Silica and Magnesium. B) Silica and Alumina. C) Alumina and Iron. D) Nickel and Iron. Show Answer Correct Answer: B) Silica and Alumina. 26. Sometimes the molten magma cools down deep inside the earth's crust. Solid rocks so formed are called ..... igneous rocks A) Extremive. B) Intrusive. C) External. D) Internal. Show Answer Correct Answer: B) Intrusive. 27. What does the Richter scale measure? A) The amount of energy it takes for an electron to change orbitals. B) How far away an earthquake ca be felt. C) The magnitude, or amount of energy, released by an earthquake. D) The magnitude, or amount of energy, released by a volcano. Show Answer Correct Answer: C) The magnitude, or amount of energy, released by an earthquake. 28. Which is the thinnest of all the layers? A) Crust. B) Inner core. C) Mantle. D) Outer core. Show Answer Correct Answer: A) Crust. 29. The loose sediments are hardened to form metamorphic rocks. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 30. The deepest point on the surface of the earth is ..... A) Indira point. B) Fiji Point. C) Mariana Trench. D) California Point. Show Answer Correct Answer: C) Mariana Trench. 31. The Earth's mantle is consist of? A) Nickel. B) Lithosphere. C) Iron. D) Magma. Show Answer Correct Answer: D) Magma. 32. Man mineral constituent in oceanic crust A) Unlucky. B) Sima. C) Love. D) None of the above. Show Answer Correct Answer: B) Sima. 33. Uppermost layer of Earth's surface is called A) Core. B) Outer core. C) Mantle. D) Crust. Show Answer Correct Answer: D) Crust. 34. A change in height changes the ..... A) Climate. B) Natural Vegetation. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 35. Marble is a form of which rock? A) Igneous rocks. B) Sedimentary rocks. C) Metamorphic rocks. D) None of the above. Show Answer Correct Answer: C) Metamorphic rocks. 36. Sedimentary rocks turned into a ..... rock A) Igneous rock. B) Sediments rock. C) Metamorpic rock. D) Metamorphic rock. Show Answer Correct Answer: D) Metamorphic rock. 37. The asthenosphere is part of which layer? A) Mantle. B) Outer Core. C) Inner core. D) Crust. Show Answer Correct Answer: A) Mantle. 38. What is formed when the sediments are compressed and hardened to form layers of rock? A) Igneous rocks. B) Sedimentary rocks. C) Primary rocks. D) Metamorphic rocks. Show Answer Correct Answer: B) Sedimentary rocks. 39. What does clay change into under great heat and pressure? A) Sandstone. B) Marble. C) Slate. D) Granite. Show Answer Correct Answer: C) Slate. 40. The earth has ..... layers. A) 4. B) 3. C) 2. D) 6. Show Answer Correct Answer: B) 3. 41. Examples of organically formed sedimentary rocks are A) Sandstone and clay. B) Coal and petroleum. C) Rock salt and gypsum. D) None of the above. Show Answer Correct Answer: B) Coal and petroleum. 42. What is the thinnest layer of the earth's surface? A) Crust. B) Outer core. C) Core. D) Mantle. Show Answer Correct Answer: A) Crust. 43. The outer layer of the core is in molten state A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 44. The remains of the dead plants and animals trapped in the layers of ..... are called fossils. A) Rocks. B) Sand. C) Water. D) None of the above. Show Answer Correct Answer: A) Rocks. 45. WHERE THE MANTLE LIES A) BETWEEN THE CRUST AND CORE. B) BETWEEN CRUST AND CONTINANTAL CRUST. C) All the above. D) None of the above. Show Answer Correct Answer: A) BETWEEN THE CRUST AND CORE. 46. Deccan plateau is made up of basalt. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 47. There are ..... types of rocks. A) One. B) Four. C) Two. D) Three. Show Answer Correct Answer: D) Three. 48. The inner most layer, core has a radius of about A) 3500 Kms. B) 4500 Kms. C) 3750 Kms. D) None of the above. Show Answer Correct Answer: A) 3500 Kms. 49. What is the percentage of the volume of the earth? A) 89. B) 1. C) 20. D) 15. Show Answer Correct Answer: B) 1. 50. The upper part of the crust is called ..... and the lower part is called ..... A) Continantal crust, ocean crust. B) Continantal crust, oceanic crust. C) Crust, core. D) None of the above. Show Answer Correct Answer: B) Continantal crust, oceanic crust. 51. Fossils fuel like coal are found in ..... A) Sedimentary rock. B) Extrusive igneous rock. C) Intrusive Igneous rock. D) Metamorphic rock. Show Answer Correct Answer: A) Sedimentary rock. 52. The process by which igneous rocks are formed ..... A) Heat and pressure. B) Melting and cooling. C) Weathering and erosion. D) None of the above. Show Answer Correct Answer: B) Melting and cooling. ← PreviousRelated 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