This quiz works best with JavaScript enabled. Home > Class 7 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of these is NOT an example of extrusive igneous rocks A) Andesite. B) Obsidian. C) Basalt. D) None of these. Show Answer Correct Answer: D) None of these. 2. The Upper most layer of Earth is: A) Rocks. B) Mineral. C) Crust. D) Core. Show Answer Correct Answer: C) Crust. 3. The Earth's inner core is A) A layer of hot rock. B) A dense ball of solid metal. C) A layer of molten metal. D) Part of Earth's outer skin. Show Answer Correct Answer: B) A dense ball of solid metal. 4. How are the materials of the Earths core different from those of the crust (in general)? A) They are harder. B) They are more dense. C) They are older. D) They are darker in color. Show Answer Correct Answer: B) They are more dense. 5. What is the correct order (starting from the surface) of Earth's layers? A) Crust, outer core, inner core, mantle. B) Mantle, outer core, inner core, crust. C) Crust, mantle, outer core, inner core. D) Outer core, inner core, crust, mantle. Show Answer Correct Answer: C) Crust, mantle, outer core, inner core. 6. Rocks are used to make A) Sculptures. B) Furniture. C) Vessels. D) None of the above. Show Answer Correct Answer: A) Sculptures. 7. Granite has large grains because: A) It cools slowly beneath the Earth's surface. B) It is formed from volcanic lava. C) It is composed of small mineral crystals. D) It is a sedimentary rock. Show Answer Correct Answer: A) It cools slowly beneath the Earth's surface. 8. Core has a radius of about ..... km A) 3500. B) 7000. C) 4500. D) None of the above. Show Answer Correct Answer: A) 3500. 9. Fossils are found in which type of rocks: A) Igneous Rocks. B) Metamorphic Rocks. C) Sedimentary Rocks. D) Intrusive Igneous Rocks. Show Answer Correct Answer: C) Sedimentary Rocks. 10. The core is made up of A) Silica and magnesium. B) Nickel and iron. C) Coal and marble. D) Silica and alumina. Show Answer Correct Answer: B) Nickel and iron. 11. What are the main elements of core? A) Silica and aluminium. B) Iron and Nickle. C) Silica and Nickle. D) Silica and magnesium. Show Answer Correct Answer: B) Iron and Nickle. 12. Gold, petroleum and coal are examples of- A) Minerals. B) Gases. C) Igneous rocks. D) Metamorphic rocks. Show Answer Correct Answer: A) Minerals. 13. Which type of rock is formed from the alteration of existing rock through heat and pressure? A) Sedimentary rock. B) Igneous rock. C) Metamorphic rock. D) Fossilized rock. Show Answer Correct Answer: C) Metamorphic rock. 14. THe Oceanic crust is composed of ..... A) UNLUCKY. B) SIMA. C) NIFE. D) NONE OF THESE. Show Answer Correct Answer: B) SIMA. 15. What are the main constituents of continental mass? A) Silica-Magnesium. B) Silica-Aluminium. C) Silica-Carbon. D) Silica-Alumina. Show Answer Correct Answer: D) Silica-Alumina. 16. Why earth is called a dynamic planet? A) Continuously undergoes changes. B) Never change. C) Is very large in size. D) None of the above. Show Answer Correct Answer: A) Continuously undergoes changes. 17. ..... are also known as primary rocks. A) Sedimentary. B) Igneous. C) Metamorphic. D) None of the above. Show Answer Correct Answer: B) Igneous. 18. Deepest mine in the world is in A) United States of America. B) South Africa. C) India. D) China. Show Answer Correct Answer: B) South Africa. 19. Marble is formed with which of the sedimentary rock A) Sandstone. B) Shale. C) Siltstone. D) Limestone. E) Granite. Show Answer Correct Answer: D) Limestone. 20. Which layer of the Earth is mainly composed of silica and magnesium, giving it the name "sima" ? A) Crust. B) Mantle. C) Core. D) Sima. Show Answer Correct Answer: D) Sima. 21. Where does the lava comes from? A) Lava. B) Interior of earth. C) Exterior of earth. D) None of the above. Show Answer Correct Answer: B) Interior of earth. 22. Which of the following statements best describes the composition of rocks? A) Rocks can only be made up of a combination of three types of mineral. B) Rocks are made up of at least three different types mineral. C) Rocks are made up of one or more types of mineral. D) Rocks always consist of a single type of mineral. Show Answer Correct Answer: C) Rocks are made up of one or more types of mineral. 23. What is this process of one type of rock turning into another and back again called? A) Rock transformation. B) Rock changes. C) Rock cycle. D) None of the above. Show Answer Correct Answer: C) Rock cycle. 24. Name the thinnest layer of the Earth? A) Inner Core. B) Upper mantle. C) Mantle. D) Crust. Show Answer Correct Answer: D) Crust. 25. ..... minerals are found in the continental masses A) Silica and alumina. B) Silica and magnesium. C) Nickel and iron. D) Silica and iron. Show Answer Correct Answer: A) Silica and alumina. ← 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 10Class 7 Geography Chapter 2 Inside Our Earth Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books