This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. What is the uppermost layer A) Mantle. B) Core. C) Crust. D) None of the above. Show Answer Correct Answer: C) Crust. 3. The temperature at the centre of the earth is estimated to be- A) 50, 000 degree C. B) 5, 000 degree C. C) 10, 000 degree C. D) 500 degree C. Show Answer Correct Answer: B) 5, 000 degree C. 4. Taj mahal is made up of A) Sand stone. B) Sedimentary rock. C) Metamorphic rock. D) Marble. Show Answer Correct Answer: D) Marble. 5. 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. 6. The average radius of the mantle is about A) 2300 km. B) 2900 km. C) 3500 km. D) 3900 m. Show Answer Correct Answer: B) 2900 km. 7. There are how many types of rocks?? A) 5. B) 4. C) 10. D) 3. E) Only 1. Show Answer Correct Answer: D) 3. 8. 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. 9. 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. 10. 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. 11. Gold, petroleum and coal are the example of what? A) Rock. B) Fossils. C) Minerals. D) Core. Show Answer Correct Answer: B) Fossils. 12. What are three types of rock A) Igneous, sedimentary, metamorphic. B) Crust. C) Mantle. D) Igneous. Show Answer Correct Answer: A) Igneous, sedimentary, metamorphic. 13. What type of rocks are formed from sediments that are transported, deposited, and compressed over time? A) Igneous rocks. B) Sedimentary rocks. C) Metamorphic rocks. D) Extrusive rocks. Show Answer Correct Answer: B) Sedimentary rocks. 14. Earth is a ..... planet A) Unique. B) Dynamic. C) Different. D) Drawf. Show Answer Correct Answer: A) Unique. 15. 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. 16. 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. 17. 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. 18. Which of the following describes rocks formed when sediments are buried, compacted, and cemented together? A) Clastic. B) Organic. C) Foliated. D) Nonfoliated. E) The answer rhymes with spastic. Show Answer Correct Answer: A) Clastic. 19. Where is the world's deepest mine located? A) India. B) China. C) South Africa. D) Nigeria. Show Answer Correct Answer: C) South Africa. 20. 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. 21. Sometimes the molten magma cools down deep inside the earth's crust. Solid rocks so formed are called ..... igneous rocks A) Intrusive. B) Extremive. C) Internal. D) External. Show Answer Correct Answer: A) Intrusive. 22. What does the Richter scale measure? A) The magnitude, or amount of energy, released by a volcano. B) The amount of energy it takes for an electron to change orbitals. C) The magnitude, or amount of energy, released by an earthquake. D) How far away an earthquake ca be felt. Show Answer Correct Answer: C) The magnitude, or amount of energy, released by an earthquake. 23. WHAT IS CRUST? A) CRUST IS THE THICKEST LAYER OF ALL. B) CRUST IS LARGEST LAYER OF ALL. C) CRUST IS THINNEST LAYER OF ALL. D) CRUST IS BIGGEST LAYER OF ALL. Show Answer Correct Answer: C) CRUST IS THINNEST LAYER OF ALL. 24. Which is the thinnest of all the layers? A) Mantle. B) Crust. C) Inner core. D) Outer core. Show Answer Correct Answer: B) Crust. 25. 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. ← PreviousNext →Related 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 8Class 7 Geography Chapter 2 Inside Our Earth Quiz 9Class 7 Geography Chapter 2 Inside Our Earth Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books