MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Igneous rocks are formed by |
| A. | weathering and erosion |
| B. | heat and pressure |
| C. | compaction and cementation |
| D. | cooling of magma |
| Answer» E. | |
| 2. |
silicate structure is observed in clay minerals. |
| A. | sheet |
| B. | framework |
| C. | isolated |
| D. | single chain |
| Answer» B. framework | |
| 3. |
About % of earth's surface is occupied by the oceanic basins. |
| A. | 60 |
| B. | 40 |
| C. | 10 |
| D. | none of the above |
| Answer» B. 40 | |
| 4. |
The study of rock deformation and geometry is known as |
| A. | structural geology |
| B. | geophysics |
| C. | engineering geology |
| D. | petrology |
| Answer» B. geophysics | |
| 5. |
Percentage of silica in acidic igneous rock is |
| A. | 52% - 66% |
| B. | 45% -52% |
| C. | less than 45% |
| D. | none of these |
| Answer» E. | |
| 6. |
The curst of earth is static and stable. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» C. none | |
| 7. |
What drives the internal heat of earth ? |
| A. | volcanoes |
| B. | radioactive elements |
| C. | solar energy |
| D. | ocean hides |
| Answer» C. solar energy | |
| 8. |
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» C. 45% to 54% | |
| 9. |
The lithosphere is approximately thick. |
| A. | 50-100 km |
| B. | 100-200 km |
| C. | 5-10 km |
| D. | 1-2 km |
| Answer» B. 100-200 km | |
| 10. |
Large inverted mushroom–shaped intrusions that sag down in the middle due todense rocks are called as |
| A. | laccoliths |
| B. | lopoliths |
| C. | balnoliths |
| D. | dikes |
| Answer» C. balnoliths | |
| 11. |
The heat caused by melting in the earth history was supplied from which of thefollowing 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» E. | |
| 12. |
Which mineral generally shows one set of cleavage ? |
| A. | feldspar |
| B. | mica |
| C. | calcite |
| D. | fluorite |
| Answer» C. calcite | |
| 13. |
Talc is showing which type of luster ? |
| A. | pearly |
| B. | silky |
| C. | dull |
| D. | resinous |
| Answer» B. silky | |
| 14. |
Small pieces of rocks are called as |
| A. | pebbles |
| B. | particles |
| C. | sediments |
| D. | chips |
| Answer» D. chips | |
| 15. |
% of continental crust is occupied by oceanic water. |
| A. | 10 |
| B. | 60 |
| C. | 40 |
| D. | 50 |
| Answer» B. 60 | |
| 16. |
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» C. both lava and magma | |
| 17. |
Lusture shown by fibrous minerals is known as |
| A. | pearly |
| B. | vitreous |
| C. | dull |
| D. | none of these |
| Answer» E. | |
| 18. |
The physical property of mineral by which minerals are identified on account of itscolour of the powder form is called as |
| A. | colour |
| B. | luster |
| C. | streak |
| D. | none of these |
| Answer» D. none of these | |
| 19. |
The branch of geology which deals with study of chronology of the earth's pastevents is called as |
| A. | historical geology |
| B. | structural geology |
| C. | physical geology |
| D. | none of the above |
| Answer» B. structural geology | |
| 20. |
Clacite shows sets of cleavage. |
| A. | one set |
| B. | two set |
| C. | three set |
| D. | four set |
| Answer» D. four set | |
| 21. |
The earth's external heat engine is not responsible for |
| A. | climate |
| B. | erosion |
| C. | tides |
| D. | winds |
| Answer» D. winds | |
| 22. |
Lusture shown by broken glass is known as |
| A. | metallic |
| B. | sub-metallic |
| C. | silky |
| D. | none of the above |
| Answer» E. | |
| 23. |
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» B. 15°C/km | |
| 24. |
Type of texture formed due to rapid cooling is |
| A. | aphanitic |
| B. | phaneritic |
| C. | course grained |
| D. | none of these |
| Answer» B. phaneritic | |
| 25. |
Chemical substances that have exactly the same chemical formula but different crystal structure is |
| A. | polymorphs |
| B. | electrons |
| C. | isotopes |
| D. | ions |
| Answer» B. electrons | |
| 26. |
The light coloured minerals shows lesser specific gravity than dark coloured minerals. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» B. false | |
| 27. |
The father of geology is |
| A. | Alfred Wegner |
| B. | James Hutton |
| C. | John Butler |
| D. | Art smith |
| Answer» C. John Butler | |
| 28. |
The layer that separates crust from core is known as |
| A. | lithosphere |
| B. | mantle |
| C. | magma layer |
| D. | solid inner core |
| Answer» D. solid inner core | |
| 29. |
Two set of cleavage is seen in |
| A. | feldspar |
| B. | mica |
| C. | calcite |
| D. | fluorite |
| Answer» B. mica | |
| 30. |
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» D. a silicon − oxygen octahedron | |
| 31. |
The element which is having highest volume per cent in the continental crust of earthis |
| A. | aluminium |
| B. | oxygen |
| C. | iron |
| D. | sodium |
| Answer» C. iron | |
| 32. |
Small pieces of rock moved from one part to other by wind and water, glacier iscalled as |
| A. | erosion |
| B. | rock flow |
| C. | weathering |
| D. | cementation |
| Answer» D. cementation | |
| 33. |
The method of rock forming is called as |
| A. | weathering cycle |
| B. | rock cycle |
| C. | magma cycle |
| D. | rock formation |
| Answer» C. magma cycle | |
| 34. |
Formation or development of long needle like crystals is known as |
| A. | fibrous |
| B. | radiating |
| C. | columnar |
| D. | acicular |
| Answer» E. | |
| 35. |
Plutonic type of rocks generally shows |
| A. | fine grained texture |
| B. | course grained texture |
| C. | both b |
| D. | none |
| Answer» D. none | |
| 36. |
Diamond is having hardness number |
| A. | 10 |
| B. | 7 |
| C. | 1 |
| D. | 2 |
| Answer» C. 1 | |
| 37. |
The term crust and lithosphere are same. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» C. none | |
| 38. |
Large magnitude or sudden events that modify the pre-existing landscapes is knownas |
| A. | catastrophism |
| B. | metamorphism |
| C. | physimorphism |
| D. | none of these |
| Answer» B. metamorphism | |
| 39. |
For the earth we are having static and stable earths crust. |
| A. | true |
| B. | false |
| C. | none |
| D. | none |
| Answer» C. none | |
| 40. |
Rocks which are made up of one mineral are called as |
| A. | monomineralic |
| B. | polymineralic |
| C. | both |
| D. | none of these |
| Answer» B. polymineralic | |
| 41. |
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» D. about 400 km | |
| 42. |
Igneous rock changes to metamorphic rock by process of |
| A. | magma cooling |
| B. | compaction |
| C. | heat & pressure |
| D. | weathering and erosion |
| Answer» E. | |
| 43. |
Crystals which are better developed in two directions than third direction are knownas |
| A. | equidimensional |
| B. | tabular |
| C. | none of these |
| D. | any of these |
| Answer» C. none of these | |
| 44. |
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» C. can not say | |
| 45. |
Igneous rock with colour index as 60-90% of mathic materials which are darkcoloured are known as |
| A. | hyper melanic |
| B. | melanocratic |
| C. | mesocratic |
| D. | lecucratic |
| Answer» C. mesocratic | |
| 46. |
Igneous rocks with colour index as 0-30% of mathic materials which are lightcoloured are known as |
| A. | hyper melanic |
| B. | melanocratic |
| C. | mesocratic |
| D. | leucocratic |
| Answer» E. | |
| 47. |
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» D. none of these | |
| 48. |
The relative capacity of substance to absorb or transmit light is known as |
| A. | resinous |
| B. | radiating |
| C. | diaphaneity |
| D. | none of these |
| Answer» D. none of these | |
| 49. |
Which classification of rock is not found in rock cycle ? |
| A. | cemented rock |
| B. | metamorphic rock |
| C. | semdimentary rock |
| D. | igneous rock |
| Answer» B. metamorphic rock | |
| 50. |
Element which constitute earth crust with maximum volume per cent is |
| A. | oxygen |
| B. | potassium |
| C. | sodium |
| D. | silicon |
| Answer» B. potassium | |