This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The depth of the deepest mine in South Africa is A) One Kilometer. B) Two Kilometer. C) Three Kilometer. D) Four Kilometer. E) Five Kilometer. Show Answer Correct Answer: D) Four Kilometer. 2. Igneous rocks are made when: A) The molten magma cools. B) The cool magma solidifies. C) Solid magma becomes liquid. D) The solid magma melts. Show Answer Correct Answer: A) The molten magma cools. 3. Igneous rocks are called primary rocks because ..... A) None of the above. B) These rocks produce all the ailments. C) These are important for human beings. D) All the other rocks are formed from the igneous rocks. Show Answer Correct Answer: D) All the other rocks are formed from the igneous rocks. 4. The word igneous is derived from a Latin word means. A) Fire. B) Stone. C) Rock. D) None of the above. Show Answer Correct Answer: A) Fire. 5. What type of rocks are made up of different minerals and have specific physical properties and chemical composition? A) Sedimentary rocks. B) Minerals. C) Igneous rocks. D) Fossils. Show Answer Correct Answer: B) Minerals. 6. Slate and Marble is an example of: A) Igneous Rocks. B) Intrusive Igneous Rocks. C) Metamorphic Rocks. D) Sedimentary Rocks. Show Answer Correct Answer: C) Metamorphic Rocks. 7. Pumice is a type of A) Igneous rock. B) Sedimentary rock. C) Metamorphic rock. D) None of the above. Show Answer Correct Answer: A) Igneous rock. 8. How major types of rocks are there A) 5. B) 10. C) 3. D) None of the above. Show Answer Correct Answer: C) 3. 9. Which layer of the eath is made of heavy metals such as Iron and nickle? A) Crust. B) Core. C) Mantle. D) All of these. Show Answer Correct Answer: B) Core. 10. Uppermost layer of earth A) Crust. B) Lithosphere. C) Inner core. D) Mantle. Show Answer Correct Answer: A) Crust. 11. Mantle extends up to the depth of 2900 km A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 12. The forces which act in the interior of the earth are called ..... A) Exogenic forces. B) Sudden forces. C) Slow forces. D) Endogenic forces. Show Answer Correct Answer: D) Endogenic forces. 13. Continental crust is made up of ..... and oceanic crust is made up of ..... A) Rocks and minerals. B) Damn and Sima. C) Iron and magnesium. D) Nickel and iron. Show Answer Correct Answer: B) Damn and Sima. 14. The earth is about ..... years old A) 465 years. B) 460 years. C) 465 million years. D) 460 crore years. Show Answer Correct Answer: D) 460 crore years. 15. What type of rocks are formed from the cooling and solidification of molten magma on the Earth's surface? A) Igneous rocks. B) Sedimentary rocks. C) Metamorphic rocks. D) Intrusive rocks. Show Answer Correct Answer: A) Igneous rocks. 16. If we compare our earth to the lava lamp, we can see how the movement of heat in the center of our earth is like the wax in the lava lamp. This movement of heat is: A) Conduction. B) Convection. C) Radiation. D) Solar. Show Answer Correct Answer: B) Convection. 17. Where is the deepest mine in the world located? A) South America. B) South Africa. C) South India. D) None of the above. Show Answer Correct Answer: B) South Africa. 18. The crust and the outer mantle together form a layer called A) Hydrosphere. B) Lithosphere. C) Biosphere. D) Atmosphere. Show Answer Correct Answer: B) Lithosphere. 19. What is the average density of the earth A) 7.5 g per cubic cm. B) 4.5 g per cubic cm. C) 5, 5 g per cubic cm. D) 9.5 g per cubic cm. Show Answer Correct Answer: C) 5, 5 g per cubic cm. 20. WHAT IS THE CRUST OF CONTINENT MADE UPM OF? A) IRON AND NICKLE. B) SILICA AND MAGNESIUM. C) SILICA AND ALUMINIUM. D) NON OF THE ABOVE. Show Answer Correct Answer: C) SILICA AND ALUMINIUM. 21. When the molten magma cools, it becomes solid.rocks thus formed are called A) Sedimentary rocks. B) Metamorphic rocks. C) Igneous rocks. D) None of the above. Show Answer Correct Answer: C) Igneous rocks. 22. Lithosphere domain of earth is found on A) Crust and upper portion of mantle. B) Mantle and outer core. C) Only crust. D) Lithosphere is not found on earth. Show Answer Correct Answer: A) Crust and upper portion of mantle. 23. Sedimentary means: A) Fire. B) Settle down. C) Change in form. D) Lava. Show Answer Correct Answer: B) Settle down. 24. The Core forms how much per cent of the volume of the earth, A) 15. B) 14. C) 13. D) 12. Show Answer Correct Answer: A) 15. 25. The decan plateu in india is mabe up of A) Granite. B) Dolerite. C) Basalt. D) None of the above. Show Answer Correct Answer: C) Basalt. ← 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 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 10Class 7 Geography Chapter 2 Inside Our Earth Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books