| 1. | The branch of geology which deals with occurrence, origin and history of rocks is known as |
| A. | hydrogeology |
| B. | pedology |
| C. | petrology |
| D. | geomorphology |
| Answer» C. petrology | |
| 2. | The branch of geology which deals with study of chronology of the earth’s past events is called as |
| A. | historical geology |
| B. | structural geology |
| C. | physical geology |
| D. | none of the above |
| Answer» A. historical geology | |
| 3. | The branch of geology which deals with study of uppermost layers of earth’s crust is known as |
| A. | petrology |
| B. | hydrogeology |
| C. | pedology |
| D. | geomorphology |
| Answer» C. pedology | |
| 4. | Rocks which are formed from weathering products of preexisting rocks deposited near earth’s surface are called as |
| A. | Igneous rocks |
| B. | Sedimentary rocks |
| C. | Metamorphic rocks |
| D. | None of the above |
| Answer» B. Sedimentary rocks | |
| 5. | In relative proportion of rocks by weight percentage which type of rocks are having maximum percentage ? |
| A. | Igneous rocks |
| B. | Sedimentary rocks |
| C. | Metamorphic rocks |
| D. | None of the above |
| Answer» A. Igneous rocks | |
| 6. | In relative proportion of rocks by volume percentage which type of rocks are having maximum percentage ? |
| A. | Igneous rocks |
| B. | Sedimentary rocks |
| C. | Metamorphic rocks |
| D. | None of the above |
| Answer» B. Sedimentary rocks | |
| 7. | Rocks which are made up of one mineral are called as |
| A. | monomineralic |
| B. | polymineralic |
| C. | both |
| D. | none of these |
| Answer» A. monomineralic | |
| 8. | Large magnitude or sudden events that modify the pre-existing landscapes is known as |
| A. | catastrophism |
| B. | metamorphism |
| C. | physimorphism |
| D. | none of these |
| Answer» A. catastrophism | |
| 9. | Approximately % of sun’s heat is absorbed by land, sea or the atmosphere ? |
| A. | 40 |
| B. | 20 |
| C. | 10 |
| D. | 60 |
| Answer» D. 60 | |
| 10. | Element which constitute earth crust with maximum volume per cent is |
| A. | oxygen |
| B. | potassium |
| C. | sodium |
| D. | silicon |
| Answer» A. oxygen | |
| 11. | Average geothermal gradient of earth crust is |
| A. | 30°C/km |
| B. | 15°C/km |
| C. | 75°C/km |
| D. | none of the above |
| Answer» A. 30°C/km | |
| 12. | About % of earth’s surface is occupied by the oceanic basins. |
| A. | 60 |
| B. | 40 |
| C. | 10 |
| D. | none of the above |
| Answer» A. 60 | |
| 13. | % of continental crust is occupied by oceanic water. |
| A. | 10 |
| B. | 60 |
| C. | 40 |
| D. | 50 |
| Answer» A. 10 | |
| 14. | The study of rocks in the laboratory as hand specimens with a view to analyse and their texture, mineral composition, chemical composition is called as |
| A. | petrography |
| B. | hydrogeology |
| C. | pedology |
| D. | any of the above |
| Answer» 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 |
| A. | colour |
| B. | luster |
| C. | streak |
| D. | none of these |
| Answer» C. streak | |
| 16. | Lusture shown by broken glass is known as |
| A. | metallic |
| B. | sub-metallic |
| C. | silky |
| D. | none of the above |
| Answer» D. none of the above | |
| 17. | Lusture shown by fibrous minerals is known as |
| A. | pearly |
| B. | vitreous |
| C. | dull |
| D. | none of these |
| Answer» D. none of these | |
| 18. | Which mineral generally shows one set of cleavage ? |
| A. | feldspar |
| B. | mica |
| C. | calcite |
| D. | fluorite |
| Answer» B. mica | |
| 19. | Two set of cleavage is seen in |
| A. | feldspar |
| B. | mica |
| C. | calcite |
| D. | fluorite |
| Answer» A. feldspar | |
| 20. | Talc is showing which type of luster ? |
| A. | pearly |
| B. | silky |
| C. | dull |
| D. | resinous |
| Answer» A. pearly | |
| 21. | Quartz is showing which type of luster ? |
| A. | metallic |
| B. | non-metallic |
| C. | peraly |
| D. | none of these |
| Answer» D. none of these | |
| 22. | Asbestos is showing which type of luster ? |
| A. | vitreous |
| B. | metallic |
| C. | non-metallic |
| D. | silky |
| Answer» D. silky | |
| 23. | The heat caused by melting in the earth history was supplied from which of the following events or causes ? |
| A. | volcanic activity and radioactivity |
| B. | a large impact event and radioactivity |
| C. | large impact event and solar heating |
| D. | solar heating |
| Answer» D. solar heating | |
| 24. | Splitting of minerals along planner surface is known as |
| A. | form |
| B. | cleavage |
| C. | vitreous |
| D. | streak |
| Answer» B. cleavage | |
| 25. | The father of geology is |
| A. | Alfred Wegner |
| B. | James Hutton |
| C. | John Butler |
| D. | Art smith |
| Answer» B. James Hutton | |
| 26. | Quartz has hardness of 7 and will scratch on all the minerals with hardness 8 and higher. |
| A. | true |
| B. | false |
| C. | can not say |
| D. | none |
| Answer» B. false | |
| 27. | The common nesosilicate – single tetrahedron is |
| A. | olivine |
| B. | pyroxene |
| C. | quartz |
| D. | feldspar |
| Answer» A. olivine | |
| 28. | silicate structure is observed in clay minerals. |
| A. | sheet |
| B. | framework |
| C. | isolated |
| D. | single chain |
| Answer» A. sheet | |
| 29. | The layer that separates crust from core is known as |
| A. | lithosphere |
| B. | mantle |
| C. | magma layer |
| D. | solid inner core |
| Answer» C. magma layer | |
| 30. | What derives the earth’s internal heat engine ? |
| A. | radioactivity |
| B. | volcanoes |
| C. | ocean tides |
| D. | solar energy |
| Answer» A. radioactivity | |
| 31. | The minerals which could be scrached by finger nail will have hardness between |
| A. | 3 and 4 |
| B. | 2 and 3 |
| C. | 5 and 6 |
| D. | none of these |
| Answer» B. 2 and 3 | |
| 32. | Which of the following types of rocks could be the potential of metamorphic rocks ? |
| A. | sedimentary |
| B. | igneous |
| C. | metamorphic |
| D. | all of these |
| Answer» D. all of these | |
| 33. | If you have provided with same exact chemical composition two minerals, which one will form higher pressures ? |
| A. | the mineral with greatest density |
| B. | mineral with lowest density |
| C. | mineral with lowest hardness |
| D. | mineral with greatest hardness |
| Answer» A. the mineral with greatest density | |
| 34. | The term crust and lithosphere are same. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 35. | For the earth we are having static and stable earths crust. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 36. | Formation or development of long needle like crystals is known as |
| A. | fibrous |
| B. | radiating |
| C. | columnar |
| D. | acicular |
| Answer» D. acicular | |
| 37. | The relative capacity of substance to absorb or transmit light is known as |
| A. | resinous |
| B. | radiating |
| C. | diaphaneity |
| D. | none of these |
| Answer» C. diaphaneity | |
| 38. | Chemical substances that have exactly the same chemical formula but different crystal structure is |
| A. | polymorphs |
| B. | electrons |
| C. | isotopes |
| D. | ions |
| Answer» A. polymorphs | |
| 39. | Igneous rocks with colour index as 0-30% of mathic materials which are light coloured are known as |
| A. | hyper melanic |
| B. | melanocratic |
| C. | mesocratic |
| D. | leucocratic |
| Answer» D. leucocratic | |
| 40. | Igneous rock with colour index as 60-90% of mathic materials which are dark coloured are known as |
| A. | hyper melanic |
| B. | melanocratic |
| C. | mesocratic |
| D. | lecucratic |
| Answer» B. melanocratic | |
| 41. | Igneous rocks which are very dark coloured are known as |
| A. | hyper melanic |
| B. | lecucratic |
| C. | mesocratic |
| D. | melanocratic |
| Answer» A. hyper melanic | |
| 42. | The percentage of silica in ultrabasic type of igneous rock is |
| A. | about 52-66% |
| B. | over 66% |
| C. | less than 45% |
| D. | none of these |
| Answer» C. less than 45% | |
| 43. | In intermediate type of igneous rocks percentage of silica is |
| A. | over 66% |
| B. | about 52% to 66% |
| C. | 45% to 54% |
| D. | none of these |
| Answer» B. about 52% to 66% | |
| 44. | Percentage of silica in acidic igneous rock is |
| A. | 52% – 66% |
| B. | 45% -52% |
| C. | less than 45% |
| D. | none of these |
| Answer» D. none of these | |
| 45. | If shape of crystal is completely bounded by faces then it is |
| A. | euhedral |
| B. | anhedral |
| C. | none of these |
| D. | any of these |
| Answer» A. euhedral | |
| 46. | Crystals which are better developed in two directions than third direction are known as |
| A. | equidimensional |
| B. | tabular |
| C. | none of these |
| D. | any of these |
| Answer» B. tabular | |
| 47. | The rock which is composed of entirely of crystals is known as |
| A. | holocrystalline |
| B. | holohyaline |
| C. | mesocrystalline |
| D. | none of these |
| Answer» A. holocrystalline | |
| 48. | The rock which completely consist of glass is known as |
| A. | holocrystalline |
| B. | holohyaline |
| C. | mesocrystalline |
| D. | none of these |
| Answer» B. holohyaline | |
| 49. | The rock which consists of partly of crystals and partly of glass is known as |
| A. | holocryslalline |
| B. | holohyaline |
| C. | mesocrystalline |
| D. | none of these |
| Answer» C. mesocrystalline | |
| 50. | Olivine groups have chemical formula |
| A. | SiO2H2O |
| B. | MgO3 |
| C. | (MgFe)2 SiO4 |
| D. | none of these |
| Answer» C. (MgFe)2 SiO4 | |
| 51. | Small pieces of rock moved from one part to other by wind and water, glacier is called as |
| A. | erosion |
| B. | rock flow |
| C. | weathering |
| D. | cementation |
| Answer» C. weathering | |
| 52. | What is the molten rock under the earth’s surface called ? |
| A. | magma |
| B. | lava |
| C. | both lava and magma |
| D. | none of these |
| Answer» A. magma | |
| 53. | naturally occurring, inorganic substance that does not have orderly arrangement of atoms is called as |
| A. | lava |
| B. | sediment |
| C. | magma |
| D. | meeraloid |
| Answer» D. meeraloid | |
| 54. | Small pieces of rocks are called as |
| A. | pebbles |
| B. | particles |
| C. | sediments |
| D. | chips |
| Answer» C. sediments | |
| 55. | Igneous rock changes to metamorphic rock by process of |
| A. | magma cooling |
| B. | compaction |
| C. | heat & pressure |
| D. | weathering and erosion |
| Answer» D. weathering and erosion | |
| 56. | The method of rock forming is called as |
| A. | weathering cycle |
| B. | rock cycle |
| C. | magma cycle |
| D. | rock formation |
| Answer» B. rock cycle | |
| 57. | Which classification of rock is not found in rock cycle ? |
| A. | cemented rock |
| B. | metamorphic rock |
| C. | semdimentary rock |
| D. | igneous rock |
| Answer» A. cemented rock | |
| 58. | Igneous rocks are formed by |
| A. | weathering and erosion |
| B. | heat and pressure |
| C. | compaction and cementation |
| D. | cooling of magma |
| Answer» D. cooling of magma | |
| 59. | Large inverted mushroom–shaped intrusions that sag down in the middle due to dense rocks are called as |
| A. | laccoliths |
| B. | lopoliths |
| C. | balnoliths |
| D. | dikes |
| Answer» B. lopoliths | |
| 60. | How thick is the crust of the earth ? |
| A. | about 4 miles |
| B. | about 4 km |
| C. | about 40 km |
| D. | about 400 km |
| Answer» C. about 40 km | |
| 61. | What drives the internal heat of earth ? |
| A. | volcanoes |
| B. | radioactive elements |
| C. | solar energy |
| D. | ocean hides |
| Answer» B. radioactive elements | |
| 62. | Which will be the parental rock for metamorphic rock ? |
| A. | sedimentary |
| B. | igneous |
| C. | metamorphic |
| D. | all of these |
| Answer» D. all of these | |
| 63. | Type of texture formed due to rapid cooling is |
| A. | aphanitic |
| B. | phaneritic |
| C. | course grained |
| D. | none of these |
| Answer» A. aphanitic | |
| 64. | Crust and lithosphere are having same meaning. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 65. | The curst of earth is static and stable. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 66. | The earth’s external heat engine is not responsible for |
| A. | climate |
| B. | erosion |
| C. | tides |
| D. | winds |
| Answer» C. tides | |
| 67. | The lithosphere is approximately thick. |
| A. | 50-100 km |
| B. | 100-200 km |
| C. | 5-10 km |
| D. | 1-2 km |
| Answer» A. 50-100 km | |
| 68. | The element which is having highest volume per cent in the continental crust of earth is |
| A. | aluminium |
| B. | oxygen |
| C. | iron |
| D. | sodium |
| Answer» B. oxygen | |
| 69. | What is the most common structural element of group silicate mineral ? |
| A. | a silicon − aluminium tetrahedron |
| B. | a silicon − nitrogen tetrahedron |
| C. | a silicon − oxygen tetrahedron |
| D. | a silicon − oxygen octahedron |
| Answer» C. a silicon − oxygen tetrahedron | |
| 70. | Diamond is having hardness number |
| A. | 10 |
| B. | 7 |
| C. | 1 |
| D. | 2 |
| Answer» A. 10 | |
| Explanation: The hardness of diamond is 10 according to Mohn hardness scale | |
| 71. | Plutonic type of rocks generally shows |
| A. | fine grained texture |
| B. | course grained texture |
| C. | both b |
| D. | none |
| Answer» C. both b | |
| 72. | The study of rock deformation and geometry is known as |
| A. | structural geology |
| B. | geophysics |
| C. | engineering geology |
| D. | petrology |
| Answer» A. structural geology | |
| 73. | Gatens shows lusture. |
| A. | sub-metallic |
| B. | metallic |
| C. | viterious |
| D. | pall |
| Answer» B. metallic | |
| 74. | Clacite shows sets of cleavage. |
| A. | one set |
| B. | two set |
| C. | three set |
| D. | four set |
| Answer» C. three set | |
| 75. | The light coloured minerals shows lesser specific gravity than dark coloured minerals. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» A. true | |
| 76. | Cleavage means |
| A. | development of crystal faces during mineral growth |
| B. | Splitting a mineral along planner surfaces |
| C. | development of irregular fractures when minerals is broken |
| D. | density and specific gravity of minerals. |
| Answer» B. Splitting a mineral along planner surfaces | |
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