Class 11 Geography Chapter 2 The Earth'S Structure Quiz 34 (25 MCQs)

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1. This layer is mostly made up of liquid iron.
2. What happens to convection currents when a heat source is removed form a fluid?
3. Scientist Andreaja dicovered the:
4. Main type of waves that can travel the earth's inner layers.
5. What happens to density, pressure, and temperature as you travel from the crust to the inner core?
6. What causes a tsunami?
7. Extrusive rocks
8. Geologist want to take core samples from the Pacific Ocean and New Jersey. If they dig deep enough, will geologist eventually find hard, solid rock?
9. Which of the following is NOT involved in the formation of sedimentary rocks?
10. Where does convection occur?
11. This "flows, " but is still solid:
12. The layer of the earth do we live on is the
13. Rock formed by cooling of magma on reaching earth's surface:
14. Which crust is made up of basaltic rock?
15. A group of mountains is known as a
16. What are the two parts of the Earth's core?
17. The physical and scientific conditions in which an organism lives, makes up its environment.
18. Which two metals are thought to be found in the core?
19. Which statement is true about oceanic crust?
20. Which is the best predictor of the relative age of a layer of rock?
21. What causes deformation of rock?
22. How does radioactive dating help determine the age of Earth?
23. The asthenosphere is the only liquid layer of Earth.
24. What is the innermost layer of the Earth, made up of solid iron and nickel?
25. Which of the following has the greatest direct influence on movement of the lithosphere?