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

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1. Processes that form and change rocks-
2. Which of the following occurs because of convection currents?
3. Earth lithosphere broken into many large and small slabs of rock.
4. What is the name of the thin layer of solid rock that makes up the outermost part of Earth?
5. Tectonic processes mean Landform-building processes like faulting, folding, etc, caused by the movement of .....
6. The Earth is the only planet in the solar system that supports life.
7. What had an important role in the formation of our solar system?
8. Rock that forms from magma or lava is .....
9. What is the study of earthquakes called?
10. What are the 3 main layers of Earth's interior?
11. What type of plate boundary occurs when two plates move apart?
12. What is an underground channel that formed when surface lava hardened before the lava underneath it?
13. What do earthquake waves have in common with other waves?
14. Which of the following occurs at constructive plate margins (where plates are moving apart)
15. Scientists think that convection currents flow in Earth's
16. Which is an example of a convergent (continental to continental) boundary?
17. Which layer of the Earth remains solid despite extreme heat due to immense pressure at the center of the Earth?
18. Sial forms the continents
19. Lava that is still deep inside the earth is called .....
20. Which layer of the Earth is composed of semi-fluid rock and is responsible for generating the Earth's magnetic field?
21. The San Andreas Fault in CA is an example of this type of plate boundary
22. The hottest layer of the Earth is
23. Earth's outer core is made of mostly iron and nickel.
24. Which layer of the Earth is solid and primarily composed of iron and nickel?
25. What is the thinnest layer on Earth?