Class 7 Geography Chapter 2 Inside Our Earth Quiz 11 (60 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. THE EARTH IS MADE UP OF?
2. Which article of the constitution is about equality?
3. In which of these ways can volcanoes help build up new land?
4. The biggest mine in the world is in?
5. The sediments fuse together with this natural cementing material called .....
6. Granite is a plutonic rock.
7. Example for Extrusive Igneous rock is?
8. What type of rock is granite, formed from slowly cooling molten magma deep within the Earth's crust?
9. The Mantle forms how much per cent of the volume of the earth,
10. What type of rock is formed from the cooling and solidification of magma beneath the Earth's surface?
11. The core is made up of heavy metals such as nickel and iron, therefore it is also called-
12. The temperature at the centre of the earth is estimated to be about
13. Mantle extends up to a depth of 2900 km. TRUE or FALSE?
14. Which is not a type of rock
15. Two parts of the Mantle are ..... and .....
16. Our Planet earth is dynamic because
17. How is magma created
18. Which type of rock is called the Primary rock?
19. Name the rock which contain fossils
20. Oceanic crust is made up of
21. To reach the center of earth we have to dig ..... km deep on ocean floor
22. The crust is made of two types of rock, ..... and .....
23. Which of these statements does NOT support the theory of plate tectonics?
24. Which of the following layer has very high temperature and pressure?
25. The Crust is around ..... km thick in the continental areas.
26. What are the 2 types of Igneous rocks?
27. Various awareness programmes for conservation of flora and fauna
28. We have to dig a ..... km deep hole to reach the centre of earth
29. Sial extends as far as 35 km.
30. When Igneous and Sedimentary rocks are under pressure ..... rocks are formed
31. In Sima-Define yes
32. Granite is an example of:
33. ..... kind of igneous rocks have fine grained structures.
34. How do scientists know the earth has layers?
35. Core is having average density of
36. Metamorphic rocks may melt and erupt to form
37. What is the core also known as?
38. The rock used for making tiles and bricks is
39. Lava is the molten magma from ..... of the earth's surface.
40. The layer between the crust and the core is called
41. What are naturally occurring substances with specific physical properties and chemical composition called?
42. The process of transformation of rocks is called .....
43. What process involves the cooling and solidification of molten magma to form igneous rocks on the Earth's surface?
44. What type of rock changes into another type under certain conditions in a cyclic manner?
45. How much deep is the mine of south africa?
46. The oceanic crust mainly consists of which of these minerals
47. What type of rocks are transformed into molten magma under high heat and pressure in the Earth's interior?
48. What is the depth of the mantle below the crust
49. What are the components of human made environment
50. Which one is called taiga?
51. ..... rocks are widespread about 75 per cent of total land of earth
52. When the igneous and sedimentary rocks are subjected to heat and pressure the change into which rocks??
53. The earth's crust is made of various types of .....
54. HOW MANY LAYERS ARE EARTH DIVIDED INTO?
55. Each and everything which surrounds us is known as:
56. What is the temperature in the core
57. Sedimentary rock are made from?
58. What is the meaning of 'ignis'?
59. Depth of mantle layer of the earth is:
60. Which layer of the Earth is primarily composed of nickel and iron?