Class 11 Geography Chapter 2 The Earth'S Structure Quiz 37 (25 MCQs)

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1. Which layer of Earth is made by rock that is plastic, or soft enough to flow?
2. Solid rock that extends to Earth's core:
3. What is the cause of the daily rising and falling of tides on Earth?
4. The crust that makes up the continents-the land
5. Which of these is broken into plates?
6. Which of these is an example of biological environment?
7. Volcano that probably will not erupt again
8. A LIMITED number of Elements make up the Earth's Crust. True or False?
9. Which of Earth's layer is the most dense?
10. What is the name of the process by which heat is transferred from the Earth's core to the surface?
11. Which of the Earth's major divisions in the thinnest?
12. Which type of rock as large crystals?
13. The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the .....
14. The Great Rift Valley in Africa and the Mid-Atlantic Ridge in the Atlantic Ocean are both results of this type of plate boundary-where new land is being created!
15. What is the bottom of the mantle called?
16. The layer of rock that forms Earth's outer surface.
17. What type of rock makes up the continental crust?
18. What is the Earth's outer layer made of?
19. How is the crust DIFFERENT from the other layers of the Earth?
20. A geologist is studying three layers of sedimentary rock in an area. The layers have not shifted from their original positions. The geologist records the relative ages of the rocks. The bottom layer is listed as the oldest. The top layer is listed as the youngest. What did the geologist use to determine the relative ages of the rocks?
21. In sea-floor spreading, molten material rises from the mantle and erupts .....
22. What is Caldera?
23. How do scientists INDIRECTLY learn about Earth's interior?
24. Which two layers make up the lithosphere?
25. How does fossil evidence support Wegener's hypothesis of continental drift?