This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 2 Inside Our Earth – Quiz 32 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 2 Inside Our Earth Quiz 32 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The core has a radius about ..... ? A) What is radius?. B) 3500 km. C) 6371 km. D) 7564 km. Show Answer Correct Answer: B) 3500 km. 2. Crore is layer of A) Mercury. B) Earth. C) Mars. D) None. Show Answer Correct Answer: B) Earth. 3. Where is the deepest mine in the world A) Asia. B) South africa. C) Europe. D) Australia. Show Answer Correct Answer: B) South africa. 4. What is the uppermost layer of the earth? A) Mantle. B) Crust. C) Outer core. D) Inner core. Show Answer Correct Answer: B) Crust. 5. Core iss also known as A) Barysphere. B) Lithosphere. C) All the above. D) None of the above. Show Answer Correct Answer: A) Barysphere. 6. How many percentage of core is formed out of the total volume of earth? A) 12%. B) 15.6%. C) 15%. D) None of the above. Show Answer Correct Answer: C) 15%. 7. The deepest mine in the world found in South Africa is ..... A) 6 Km deep. B) 9 Km deep. C) 4Km deep. D) 4.5Km deep. Show Answer Correct Answer: C) 4Km deep. 8. Which layer of earth has high temperature A) Mantle. B) Crust. C) Outer core. D) Inner core. Show Answer Correct Answer: D) Inner core. 9. What percentage of the Earth's volume is made up of the crust? A) 0.01. B) 0.15. C) 0.84. D) 0.5. Show Answer Correct Answer: A) 0.01. 10. The meaning of Igneous rock A) Latin-settle down. B) Greek-form. C) Latin-earth. D) Latin-fire. Show Answer Correct Answer: D) Latin-fire. 11. Which rock changes into marble under heat and pressure? A) Granite. B) Basalt. C) Limestone. D) Clay. Show Answer Correct Answer: C) Limestone. 12. Using items over and over again or in a new way ..... A) Natural resources. B) Particulates. C) Recycling. D) Conservation. Show Answer Correct Answer: C) Recycling. 13. Which type of rocks may contain fossils of plants, animals, and micro-organisms? A) Sedimentary rocks. B) Granite rocks. C) Metamorphic rocks. D) Igneous rocks. Show Answer Correct Answer: A) Sedimentary rocks. 14. Marble is a type of ..... rock A) Metamorphic. B) Igneous. C) Expensive. D) Sedimentary. Show Answer Correct Answer: A) Metamorphic. 15. 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. 16. The process of transformation of rock from one to another is known as A) Rock cycle. B) Water cycle. C) Life cycle. D) None of the above. Show Answer Correct Answer: A) Rock cycle. 17. What is the combination that forms ( SIAL ) when together? A) Igneous + sedimentary. B) Nylon + silk. C) Carbon + aluminium. D) Silica + aluminium. Show Answer Correct Answer: D) Silica + aluminium. 18. The lithosphere is broken into a number of plates known as the ..... A) Lithospheric Plates. B) Mantle Plates. C) Metal Plates. D) Core Plates. Show Answer Correct Answer: A) Lithospheric Plates. 19. What is the uppermost layer called A) Crust. B) Mantle. C) Outer core. D) Inner core. Show Answer Correct Answer: A) Crust. 20. When molten magma cools inside the earth's crust, it solidifies. So formed rocks are called ..... ? A) Intrusive. B) Extremive. C) All the above. D) None of the above. Show Answer Correct Answer: A) Intrusive. 21. What is the uppermost layer of the Earth's surface called? A) Mantle. B) Core. C) Crust. D) Sima. Show Answer Correct Answer: C) Crust. 22. 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. 23. ..... 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. 24. What type of rocks are formed from the alteration of existing rocks through heat and pressure? A) Igneous rocks. B) Sedimentary rocks. C) Metamorphic rocks. D) Extrusive rocks. Show Answer Correct Answer: C) Metamorphic rocks. 25. Which type of rock is called a primary rock? A) Metamorphic rocks. B) Fossils. C) Igneous rocks. D) None of the above. Show Answer Correct Answer: C) Igneous rocks. ← 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