MCQOPTIONS
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MCQOPTIONS
This section includes 68 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The water in an oasis is obtained from which source? |
| A. | Rain |
| B. | Erosion from other place |
| C. | Water table |
| D. | Water released from adsorption |
| Answer» D. Water released from adsorption | |
| 2. |
Which of the following is true about Eluvium? |
| A. | It is that category of end product of weathering that has been moved to some distance after its formation |
| B. | It is associated with weathering of slopes |
| C. | It is the end product of weathering that happens to lie over and above the parent rock |
| D. | Regolith is not the other name for Eluvium |
| Answer» D. Regolith is not the other name for Eluvium | |
| 3. |
Formation of colloids is sometimes the end product of weathering. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 4. |
Which of the following about saltation is not true? |
| A. | In this process the heavier and coarse sediments are lifted up |
| B. | They are lifted up periodically and for short distances |
| C. | In this process the light-density particles are carried away |
| D. | It is the process of sediment transport by series of jump |
| Answer» D. It is the process of sediment transport by series of jump | |
| 5. |
The factor which does not affect the attrition by wind is _____________ |
| A. | Nature of the region |
| B. | Velocity of wind |
| C. | Duration |
| D. | Sunlight |
| Answer» E. | |
| 6. |
The particle size in a Loess is around _________ |
| A. | 2-3 mm in diameter |
| B. | 1-2 mm in diameter |
| C. | 0.01-0.05 mm in diameter |
| D. | 0.1-1 mm in diameter |
| Answer» D. 0.1-1 mm in diameter | |
| 7. |
Identify the pair mismatched. |
| A. | Cold and humid – Both mechanical and chemical weathering |
| B. | Dry and cold – Neither of them |
| C. | Hot and humid – Mechanical weathering is predominant |
| D. | Hot and dry – Mechanical weathering is predominant |
| Answer» D. Hot and dry – Mechanical weathering is predominant | |
| 8. |
Which of the following about Spheroidal weathering is not true? |
| A. | It is a complex type of weathering |
| B. | Both mechanical and chemical weathering are believed to happen |
| C. | Formation of joints is involved |
| D. | Formation of joints is not involved |
| Answer» E. | |
| 9. |
The layer under the continental crust with the density of 2.4 to 2.6 g/cc is? |
| A. | A-layer |
| B. | B-layer |
| C. | C-layer |
| D. | D-layer |
| Answer» C. C-layer | |
| 10. |
Factor not affecting weathering is ____________ |
| A. | Colour of the rock |
| B. | Nature of the rock |
| C. | Climate |
| D. | Physical environment |
| Answer» B. Nature of the rock | |
| 11. |
The oceanic layer is the extension of C-layer of the continental crust and A and B-layer are mostly absent. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 12. |
Treating the sands locally with crude oil is not a method of combating the advancing sands. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 13. |
What is the speed attained by the P-waves in the C-layer under the Continental crust? |
| A. | 6 to 7.6 km/sec |
| B. | 3 to 4 km/sec |
| C. | 5 to 6.3 km/sec |
| D. | 1.8 to 2.5 km/sec |
| Answer» B. 3 to 4 km/sec | |
| 14. |
The type of dune which is short lived is _____________ |
| A. | Barchans |
| B. | Sigmoidal |
| C. | Transverse dunes |
| D. | Fixed dune |
| Answer» B. Sigmoidal | |
| 15. |
Which among the following is called “Mushroom rocks”? |
| A. | Pedestal rocks |
| B. | Yardangs |
| C. | Ventifacts |
| D. | Desert pavements |
| Answer» B. Yardangs | |
| 16. |
The expansion of SIMA is ____________ |
| A. | Silicon and Manganese |
| B. | Silicon and Magnesium |
| C. | Strontium and Manganese |
| D. | Strontium and Magnesium |
| Answer» C. Strontium and Manganese | |
| 17. |
The transporting power of wind depends on the shape of the particle. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 18. |
Among the following the term which is not effect of chemical weathering is ____________ |
| A. | Scree formation |
| B. | Disfiguring |
| C. | Pitting |
| D. | Honeycombing |
| Answer» B. Disfiguring | |
| 19. |
Which among the following has S-shaped outline? |
| A. | Crescentic dune |
| B. | Barchans |
| C. | Transverse dunes |
| D. | Sigmoidal dunes |
| Answer» E. | |
| 20. |
It is said that Sandstone is more resistant to weathering compared to Granite. What is the basic reason behind this phenomenon? |
| A. | The external outline form of sandstone |
| B. | Sandstone is harder than granite |
| C. | Granite is mainly made of quartz |
| D. | Sandstone is mainly made of quartz |
| Answer» E. | |
| 21. |
Which of the following rock forming minerals is more resistant to weathering compared to Hornblende? |
| A. | Augite |
| B. | Biotite |
| C. | Olivine |
| D. | Calcite |
| Answer» C. Olivine | |
| 22. |
The depth at which the Mohorovicic discontinuity occurs is ____________ |
| A. | 90-100 km |
| B. | 50-60 km |
| C. | 70-80 km |
| D. | 30-40 km |
| Answer» E. | |
| 23. |
The zone consisting of mixed composition is ____________ |
| A. | Zone A |
| B. | Zone B |
| C. | Zone C |
| D. | Zone D |
| Answer» C. Zone C | |
| 24. |
The winds are formed basically due to which reason? |
| A. | Uniform heating |
| B. | Non-uniform heating |
| C. | Precipitation |
| D. | Tectonic activity |
| Answer» C. Precipitation | |
| 25. |
The removal of particles of dust and sand by strong winds is called _____________ |
| A. | Abrasion |
| B. | Depletion |
| C. | Deflation |
| D. | Aeration |
| Answer» D. Aeration | |
| 26. |
What is the term used for wind blown deposits of silt and clay grade particles? |
| A. | Dunes |
| B. | Loess |
| C. | Hills |
| D. | Ventifacts |
| Answer» C. Hills | |
| 27. |
The rock which is well polished by wind abrasion is called _____________ |
| A. | Yardangs |
| B. | Pedestal rock |
| C. | Ventifacts |
| D. | Desert pavements |
| Answer» D. Desert pavements | |
| 28. |
The area not considered under the crust is ____________ |
| A. | Mountainous area |
| B. | Continental area |
| C. | Oceanic area |
| D. | Glacial area |
| Answer» E. | |
| 29. |
The type of erosion which involves rubbing, grinding is _____________ |
| A. | Deflation |
| B. | Attrition |
| C. | Deflection |
| D. | Wind abrasion |
| Answer» E. | |
| 30. |
The least dense layer among the layers under the continental crust is ____________ |
| A. | A-layer |
| B. | B-layer |
| C. | C-layer |
| D. | D-layer |
| Answer» B. B-layer | |
| 31. |
The exact nature of the mantle is completely understood. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 32. |
The depth up to which the mantle is said to exist is ________ |
| A. | 2000 km |
| B. | 1500 km |
| C. | 2900 km |
| D. | 1800 km |
| Answer» D. 1800 km | |
| 33. |
The thickness of the 2 layers of the upper mantle is approximately said to be ________ |
| A. | 400 and 600 km |
| B. | 300 and 500 km |
| C. | 450 and 800 km |
| D. | 300 and 400 km |
| Answer» B. 300 and 500 km | |
| 34. |
The form of rock not found by freezing-thawing cycle is ________ |
| A. | Angular |
| B. | Sub angular |
| C. | Spherical |
| D. | Irregular |
| Answer» D. Irregular | |
| 35. |
The process that is not considered under mechanical weathering is _______ |
| A. | Carbonation |
| B. | Temperature variation |
| C. | Unloading |
| D. | Insolation |
| Answer» B. Temperature variation | |
| 36. |
What is the change in volume when water freezes? |
| A. | 10% decrease |
| B. | 20% increase |
| C. | 20% decrease |
| D. | 10% increase |
| Answer» E. | |
| 37. |
The layer which is believed to be the source of volcanic activity is ________ |
| A. | Inner core |
| B. | Outer core |
| C. | Asthenosphere |
| D. | Mohorovicic layer |
| Answer» D. Mohorovicic layer | |
| 38. |
Which of the following about weathering is not true? |
| A. | It is a natural process |
| B. | Mechanical disintegration is involved |
| C. | Chemical decomposition is involved |
| D. | It is a rapid process |
| Answer» E. | |
| 39. |
The density of the Earth in the core immediately after the mantle is _______ |
| A. | 8 g/cc |
| B. | 7.6 g/cc |
| C. | 9.9 g/cc |
| D. | 8.7 g/cc |
| Answer» D. 8.7 g/cc | |
| 40. |
Which of the following is true about the inner core? |
| A. | It is believed to be a semi solid body |
| B. | It is believed to be a solid body |
| C. | It is believed to be a liquid body |
| D. | It is believed to be a gaseous body. |
| Answer» C. It is believed to be a liquid body | |
| 41. |
Who was the first person to tell about the Core? |
| A. | Graham Bell |
| B. | Albert Einstein |
| C. | Isaac Newton |
| D. | R.D. Oldham |
| Answer» E. | |
| 42. |
The depth at which the core layer starts and ends respectively is ____________ |
| A. | 2900 and 6371 km |
| B. | 2000 and 5371 km |
| C. | 2500 and 4771 km |
| D. | 2000 and 5000 km |
| Answer» B. 2000 and 5371 km | |
| 43. |
Which of the following is not true about Asthenosphere? |
| A. | It is present in the upper mantle |
| B. | It is in solid state |
| C. | It is the source of volcanic activity |
| D. | It is in plastic rather than solid state |
| Answer» C. It is the source of volcanic activity | |
| 44. |
The layer which does not transmit the S-waves is _______ |
| A. | Outer core |
| B. | Crust |
| C. | Mantle |
| D. | Inner core |
| Answer» B. Crust | |
| 45. |
There is a hypothesis that the inner core is made up chiefly of iron and nickel. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 46. |
The density of the Earth at its centre is said to be ________ |
| A. | 9.9 g/cc |
| B. | 8.8 g/cc |
| C. | 13 g/cc |
| D. | 12.7 g/cc |
| Answer» D. 12.7 g/cc | |
| 47. |
The layer which is said to support the slow moving tectonic plates is ________ |
| A. | Asthenosphere |
| B. | Lithosphere |
| C. | Mohorovic sphere |
| D. | Core layer |
| Answer» B. Lithosphere | |
| 48. |
What is the thickness of the inner core? |
| A. | 790 km |
| B. | 1790 km |
| C. | 2790 km |
| D. | 3790 km |
| Answer» C. 2790 km | |
| 49. |
The processes by which Scree deposits are formed are ________ |
| A. | Chemical attack |
| B. | Exposure to sunlight |
| C. | Water movement |
| D. | Heaving and rolling |
| Answer» E. | |
| 50. |
Where can one find the process of exudation occur? |
| A. | Plains |
| B. | Seashore |
| C. | Hills |
| D. | Waterfalls |
| Answer» C. Hills | |