1. The branch of geology which deals with occurrence, origin and history of rocks is
known as
Correct : C. petrology
2. The branch of geology which deals with study of chronology of the earth's past
events is called as
Correct : A. historical geology
3. The branch of geology which deals with study of uppermost layers of earth's crust is
known as
Correct : C. pedology
4. Rocks which are formed from weathering products of preexisting rocks deposited
near earth's surface are called as
Correct : B. Sedimentary rocks
5. In relative proportion of rocks by weight percentage which type of rocks are having
maximum percentage ?
Correct : A. Igneous rocks
6. In relative proportion of rocks by volume percentage which type of rocks are having
maximum percentage ?
Correct : B. Sedimentary rocks
7. Rocks which are made up of one mineral are called as
Correct : A. monomineralic
8. Large magnitude or sudden events that modify the pre-existing landscapes is known
as
Correct : A. catastrophism
9. Approximately % of sun's heat is absorbed by land, sea or the atmosphere ?
Correct : D. 60
10. Element which constitute earth crust with maximum volume per cent is
Correct : A. oxygen
11. Average geothermal gradient of earth crust is
Correct : A. 30°C/km
12. About % of earth's surface is occupied by the oceanic basins.
Correct : A. 60
13. % of continental crust is occupied by oceanic water.
Correct : A. 10
14. The study of rocks in the laboratory as hand specimens with a view to analyse and
discuss their texture, mineral composition, chemical composition is called as
Correct : A. petrography
15. The physical property of mineral by which minerals are identified on account of its
colour of the powder form is called as
Correct : C. streak
16. Lusture shown by broken glass is known as
Correct : D. none of the above
17. Lusture shown by fibrous minerals is known as
Correct : D. none of these
18. Which mineral generally shows one set of cleavage ?
Correct : B. mica
19. Two set of cleavage is seen in
Correct : A. feldspar
20. Talc is showing which type of luster ?
Correct : A. pearly
21. Quartz is showing which type of luster ?
Correct : D. none of these
22. Asbestos is showing which type of luster ?
Correct : D. silky
23. The heat caused by melting in the earth history was supplied from which of the
following events or causes ?
Correct : D. solar heating
24. Splitting of minerals along planner surface is known as
Correct : B. cleavage
25. The father of geology is
Correct : B. James Hutton
26. Quartz has hardness of 7 and will scratch on all the minerals with hardness 8 and higher.
Correct : B. false
27. The common nesosilicate – single tetrahedron is
Correct : A. olivine
28. silicate structure is observed in clay minerals.
Correct : A. sheet
29. The layer that separates crust from core is known as
Correct : C. magma layer
30. What derives the earth's internal heat engine ?
Correct : A. radioactivity
31. The minerals which could be scrached by finger nail will have hardness between
Correct : B. 2 and 3
32. Which of the following types of rocks could be the potential of metamorphic rocks ?
Correct : D. all of these
33. If you have provided with same exact chemical composition two minerals, which one
will form higher pressures ?
Correct : A. the mineral with greatest density
34. The term crust and lithosphere are same.
Correct : B. false
35. For the earth we are having static and stable earths crust.
Correct : B. false
36. Formation or development of long needle like crystals is known as
Correct : D. acicular
37. The relative capacity of substance to absorb or transmit light is known as
Correct : C. diaphaneity
38. Chemical substances that have exactly the same chemical formula but different crystal structure is
Correct : A. polymorphs
39. Igneous rocks with colour index as 0-30% of mathic materials which are light
coloured are known as
Correct : D. leucocratic
40. Igneous rock with colour index as 60-90% of mathic materials which are dark
coloured are known as
Correct : B. melanocratic
41. Igneous rocks which are very dark coloured are known as
Correct : A. hyper melanic
42. The percentage of silica in ultrabasic type of igneous rock is
Correct : C. less than 45%
43. In intermediate type of igneous rocks percentage of silica is
Correct : B. about 52% to 66%
44. Percentage of silica in acidic igneous rock is
Correct : D. none of these
45. If shape of crystal is completely bounded by faces then it is
Correct : A. euhedral
46. Crystals which are better developed in two directions than third direction are known
as
Correct : B. tabular
47. The rock which is composed of entirely of crystals is known as
Correct : A. holocrystalline
48. The rock which completely consist of glass is known as
Correct : B. holohyaline
49. The rock which consists of partly of crystals and partly of glass is known as
Correct : C. mesocrystalline
50. Olivine groups have chemical formula
Correct : C. (MgFe)2 SiO4
51. Small pieces of rock moved from one part to other by wind and water, glacier is
called as
Correct : C. weathering
52. What is the molten rock under the earth's surface called ?
Correct : A. magma
53. naturally occurring, inorganic substance that does not have orderly arrangement of
atoms is called as
Correct : D. meeraloid
54. Small pieces of rocks are called as
Correct : C. sediments
55. Igneous rock changes to metamorphic rock by process of
Correct : D. weathering and erosion
56. The method of rock forming is called as
Correct : B. rock cycle
57. Which classification of rock is not found in rock cycle ?
Correct : A. cemented rock
58. Igneous rocks are formed by
Correct : D. cooling of magma
59. Large inverted mushroom–shaped intrusions that sag down in the middle due to
dense rocks are called as
Correct : B. lopoliths
60. How thick is the crust of the earth ?
Correct : C. about 40 km
61. What drives the internal heat of earth ?
Correct : B. radioactive elements
62. Which will be the parental rock for metamorphic rock ?
Correct : D. all of these
63. Type of texture formed due to rapid cooling is
Correct : A. aphanitic
64. Crust and lithosphere are having same meaning.
Correct : B. false
65. The curst of earth is static and stable.
Correct : B. false
66. The earth's external heat engine is not responsible for
Correct : C. tides
67. The lithosphere is approximately thick.
Correct : A. 50-100 km
68. The element which is having highest volume per cent in the continental crust of earth
is
Correct : B. oxygen
69. What is the most common structural element of group silicate mineral ?
Correct : C. a silicon − oxygen tetrahedron
70. Diamond is having hardness number
Correct : A. 10
71. Plutonic type of rocks generally shows
Correct : C. both b
72. The study of rock deformation and geometry is known as
Correct : A. structural geology
73. Gatens shows lusture.
Correct : B. metallic
74. Clacite shows sets of cleavage.
Correct : C. three set
75. The light coloured minerals shows lesser specific gravity than dark coloured minerals.
Correct : A. true
76. Cleavage means
Correct : B. Splitting a mineral along planner surfaces