This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is not properly matched? A) Crust ;35 km. B) Core:5000 km. C) Mantle:2900 km. D) None of the above. Show Answer Correct Answer: B) Core:5000 km. 2. The main constituents of the continental mass are ..... and ..... A) Silica and magnesium. B) Silica and alumina. C) All the above. D) None of the above. Show Answer Correct Answer: B) Silica and alumina. 3. The crust under continents is ..... km deep. A) 8. B) 16. C) 32. D) 24. Show Answer Correct Answer: C) 32. 4. Ocean crust mainly consists of ..... A) Silica and magnesium. B) Silica and alumina. C) Nickel and iron. D) All of the above. Show Answer Correct Answer: A) Silica and magnesium. 5. What is the term for the fiery red molten magma coming out from the interior of the earth on its surface? A) Lava. B) Sediment. C) Sand. D) Gravel. Show Answer Correct Answer: A) Lava. 6. The innermost layer is the mantle with a radius of about 3500 km A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. Identify the sedimentary rock from the following A) Granite. B) Marble. C) Obsidian. D) Sandstone. Show Answer Correct Answer: D) Sandstone. 8. Atmosphere A) The domain of water. B) The thin layer of air. C) Narrow zone where life exist. D) The solid crust or the hard top layer of the earth. Show Answer Correct Answer: B) The thin layer of air. 9. Fossils are remains of dead plants and animals. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. It lies below the crust. A) Core. B) Mantle. C) Magma. D) Earth. Show Answer Correct Answer: B) Mantle. 11. The crust form only ..... percent of the volume of the earth A) 6 percent. B) 8 percent. C) 1 percent. D) 3 percent. Show Answer Correct Answer: C) 1 percent. 12. Igneous rocks are also called as A) 'Magnetic rocks. B) Primary rocks. C) Metamorphic rocks. D) None of the above. Show Answer Correct Answer: B) Primary rocks. 13. Clay, a sedimentary rock changes into ..... under heat and pressure. A) Limestone. B) Marble. C) Slate. D) Shale. Show Answer Correct Answer: C) Slate. 14. The depth of deepest mine in south afirca is A) ZKM. B) Chkm. C) 5km. D) ShcM. Show Answer Correct Answer: B) Chkm. 15. Name the constituents of oceanic crust A) Sillica and magnesium. B) Silica and Alumina. C) Magnesium. D) Love. Show Answer Correct Answer: A) Sillica and magnesium. 16. 'Sial' is a combination of A) Silica and mangesium. B) Silica and alumina. C) Silica and alpha. D) None of the above. Show Answer Correct Answer: B) Silica and alumina. 17. When the magma solidifies deep inside the earth, ..... rocks are formed. A) Intrusive. B) Extremive. C) Sedimentary. D) Metamorphic. Show Answer Correct Answer: A) Intrusive. 18. The main mineral constituents of the continental mass is: A) UNLUCKY. B) SIMA. C) LOVE. D) REMAINDER. Show Answer Correct Answer: A) UNLUCKY. 19. ..... turn into metamorphic rocks A) Igneous rocks only. B) Sedimentary rocks only. C) Granite only. D) Both a and b. Show Answer Correct Answer: D) Both a and b. 20. Which of the following is a sedimentary rock? A) Sandstone. B) Obsidian. C) Limestone. D) Marble. Show Answer Correct Answer: A) Sandstone. 21. The innermost layer is the core is made of A) Silica and aluminium. B) Silica and magnesium. C) Nickel and iron. D) Both a and b. Show Answer Correct Answer: C) Nickel and iron. 22. The sediments are transported and deposited by A) Wind. B) Water. C) Wind and water. D) None of these. Show Answer Correct Answer: C) Wind and water. 23. Which layer forms Maximum per cent of thevolume of the earth? A) Mantle. B) Core. C) Crust. D) Land. Show Answer Correct Answer: A) Mantle. 24. Rocks roll down, crack, hit each other, and break down into small fragments called sediments. These small sediments are transported and deposited by wind, water and then compressed and hardened to become layers of sedimentary rocks. From the following, choose an example of sedimentary rock: A) Diamond. B) Sandstone. C) Basalt. D) Chalcedony. Show Answer Correct Answer: B) Sandstone. 25. Which type of rock changes into magma under high heat and pressure, then solidifies to form igneous rocks? A) Metamorphic rock. B) Sedimentary rock. C) Intrusive igneous rock. D) Extrusive igneous rock. Show Answer Correct Answer: D) Extrusive igneous rock. ← 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 8Class 7 Geography Chapter 2 Inside Our Earth Quiz 9Class 7 Geography Chapter 2 Inside Our Earth Quiz 10Class 7 Geography Chapter 2 Inside Our Earth Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books