Class 11 Geography Chapter 2 The Earth'S Structure Quiz 39 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Wegener was convinced that all of Earth's continents were once part of an enormous, single landmass called Pangaea.
2. What is the Earth's core primarily made of?
3. ..... is a large ocean wave caused by an earthquake or volcanic eruption underwater.
4. Which describes Earth's astenosphere?
5. At which plate margin would you expect to see subduction (Where one plate gets pushed below another)?
6. Mountain formation can result when which of the following occurs?
7. Which is the largest layer of the earth?
8. Which of these layers is the largest?
9. Hot fluid or semi-fluid material below or within the earth's crust from which lava and other igneous rock is formed on cooling.
10. Approximately 225 million years ago, the Earth's continents were grouped into one landmass called:
11. What type of plate boundary has 2 tectoinc plate sliding passed each other and getting stuck? When they snap free they produce large earthquakes.
12. What is Earth's thinnest layer?
13. Which type of rock is limestone?
14. Which main layer is more dense than the crust but less dense than the outer core?
15. Mohorovic Discontinuity is situated in or near the Asthenosphere.
16. When a sedimentary rock changes shape under heat and pressure, but does notmelt completely, it becomes which of the following types of rock?
17. It travels only in SOLID
18. The point within the earth where rock is under stress is called .....
19. The more dense an object .....
20. What is the Ring of Fire?
21. What is the crust made of?
22. The Earth is made up of two types of crust. Which is more dense?
23. Explain how physical evidence supports the theory that Earth has evolved over geologic time.
24. Which lists the layers of the earth in the correct order? (from the outside)
25. Rocks and sediment change as they move through the rock cycle. Which change involves turning into melting?