MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 86 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
The fold which is convex downwards is ___________ |
| A. | Anticline |
| B. | Syncline |
| C. | U-cline |
| D. | Crestcline |
| Answer» C. U-cline | |
| 52. |
Folds which mostly occur in groups are based on ___________ |
| A. | Profile of the fold surface |
| B. | Mode of occurrence |
| C. | Plunge |
| D. | Relative curvature |
| Answer» C. Plunge | |
| 53. |
The type of fold in which the limbs dip away from each other at the crest is ______________ |
| A. | Anticline |
| B. | Syncline |
| C. | Countercline |
| D. | Doesn’t exist |
| Answer» B. Syncline | |
| 54. |
Fold in which the limbs lie exactly one over another? |
| A. | Isoclinal |
| B. | Symmetrical |
| C. | Recumbent |
| D. | Asymmetrical |
| Answer» D. Asymmetrical | |
| 55. |
What is the cause of downward bending? |
| A. | Differential compression |
| B. | Differential shearing |
| C. | Intrusions |
| D. | Flowage folding |
| Answer» B. Differential shearing | |
| 56. |
Which among the following is considered as compound anticline? |
| A. | Dome |
| B. | Valley |
| C. | Basin |
| D. | Depression |
| Answer» B. Valley | |
| 57. |
Flowage folding occurs in which type of rocks? |
| A. | Competent rocks |
| B. | Incompetent rocks |
| C. | Any rock |
| D. | Sedimentary rock |
| Answer» C. Any rock | |
| 58. |
What are the undulations or bends developed in rocks called? |
| A. | Faults |
| B. | Joints |
| C. | Folds |
| D. | Uncomformity |
| Answer» D. Uncomformity | |
| 59. |
At what angle is the primary lateral compressive force said to act in tangential compression? |
| A. | 60° to the trend of the folds |
| B. | 90° to the trend of the folds |
| C. | 30° to the trend of the folds |
| D. | 45° to the trend of the folds |
| Answer» C. 30° to the trend of the folds | |
| 60. |
Which is the class of fold with the degree of curvature greater on the outer arc compared to the inner arc? |
| A. | Class 1 |
| B. | Class 2 |
| C. | Class 3 |
| D. | Class 4 |
| Answer» D. Class 4 | |
| 61. |
Pick the wrong statement. The converging plates maybe ___________ |
| A. | Two continental plates |
| B. | A continental plate and an oceanic plate |
| C. | A continental plate and an island plate |
| D. | Two oceanic plates |
| Answer» E. | |
| 62. |
The hinge joints in cuspate folds are not very sharp. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 63. |
Pick the non-planar fold from the following. |
| A. | Box fold |
| B. | Cheveron fold |
| C. | Conjugate fold |
| D. | Cuspate fold |
| Answer» E. | |
| 64. |
Which among the following is not a part of fold? |
| A. | Limbs |
| B. | Hinge |
| C. | Axis of fold |
| D. | Height of fold |
| Answer» E. | |
| 65. |
Which is the fold depicting localized warping? |
| A. | Homocline |
| B. | Drag fold |
| C. | Dome |
| D. | Monocline |
| Answer» E. | |
| 66. |
The type of fold which is actually a group of folds is ____________ |
| A. | Symmetrical folds |
| B. | Asymmetrical folds |
| C. | Isoclinal folds |
| D. | Recumbent folds |
| Answer» D. Recumbent folds | |
| 67. |
Which of the following about axial plane is not true. |
| A. | Axial plane is imaginary |
| B. | Axial plane may be vertical, inclined or horizontal |
| C. | Axial plane may be planar or non-planar |
| D. | Axial plane need not pass through all points of maximum curvature in a folded sequence |
| Answer» E. | |
| 68. |
Where can folds be observed in the southern part of India? |
| A. | Vindhyan region only |
| B. | Satpura region only |
| C. | Vindhyan and Satpura ranges |
| D. | Cannot be observed in southern India |
| Answer» D. Cannot be observed in southern India | |
| 69. |
When the plunge said to be zero, then the axis of the fold is said to be ____________ |
| A. | Vertical |
| B. | Horizontal |
| C. | Inclined at 60° to the horizontal |
| D. | Inclined at 60° to its normal. |
| Answer» C. Inclined at 60° to the horizontal | |
| 70. |
Which of the following about drag fold is not true? |
| A. | The axes of the drag folds are parallel to those of the major folds |
| B. | The drag folds plunge in the same manner as the major folds |
| C. | The layers on the upper side of the drag folds slide away from the synclinal axis |
| D. | The axes of the drag folds are not parallel to those of the major folds |
| Answer» E. | |
| 71. |
Pick the incorrect statement about basins. |
| A. | Basins are the reverse of the domes |
| B. | They are a group of strata that are centrally depressed |
| C. | Group of strata that are centrally uplifted |
| D. | Involved layers dip towards a common central point from all sides |
| Answer» D. Involved layers dip towards a common central point from all sides | |
| 72. |
In which class of folds, the Isogans converge inwards? |
| A. | Class 1 |
| B. | Class 2 |
| C. | Class 3 |
| D. | Class 4 |
| Answer» B. Class 2 | |
| 73. |
Which is the type of fold with a similar degree of folding for indefinite depths? |
| A. | Concentric fold |
| B. | Similar fold |
| C. | Conjugate fold |
| D. | Uniform fold |
| Answer» C. Conjugate fold | |
| 74. |
Flexural folding is also called as “flexural-slip-folding”. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't Say |
| Answer» B. False | |
| 75. |
The process of folding which causes fracture in rocks initially is ___________ |
| A. | Flexural folding |
| B. | Flowage folding |
| C. | Shear folding |
| D. | Intrusion folding |
| Answer» D. Intrusion folding | |
| 76. |
Folds with two hinges and three planar limbs are called ___________ |
| A. | Conjugate folds |
| B. | Cheveron folds |
| C. | Cuspate folds |
| D. | Cylindrical folds |
| Answer» B. Cheveron folds | |
| 77. |
The folds which develop within body of weaker rocks are ___________ |
| A. | Viscous folds |
| B. | Internal folds |
| C. | Drag folds |
| D. | Monocline |
| Answer» D. Monocline | |
| 78. |
All synclines and anticlines can be considered to be homoclines. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 79. |
Which of the following is not true about cylindrical folds? |
| A. | They resemble sections of pipes |
| B. | They have very well defined axes of folds |
| C. | These well defined axes are repeated parallel to each other |
| D. | These well defined axes are not repeated parallel to each other |
| Answer» E. | |
| 80. |
What is the axis of a fold? |
| A. | Line drawn normal to the hinge line |
| B. | Line drawn at 60° to hinge line |
| C. | Line drawn parallel to hinge line |
| D. | Line which doesn’t pass through hinge line. |
| Answer» D. Line which doesn’t pass through hinge line. | |
| 81. |
The fold which actually is just strata dipping in some direction? |
| A. | Dome |
| B. | Homocline |
| C. | Monocline |
| D. | Basin |
| Answer» C. Monocline | |
| 82. |
Identify the part labelled “A” in the below figure. |
| A. | Limb |
| B. | Hinge |
| C. | Axis of fold |
| D. | Plunge |
| Answer» B. Hinge | |
| 83. |
The cause of folding which does not occur due to the tangential stresses is ___________ |
| A. | Flexural folding |
| B. | Flexural creeping |
| C. | Flowage folding |
| D. | Shear folding |
| Answer» C. Flowage folding | |
| 84. |
Which fold is depicted by the figure below? |
| A. | Drag fold |
| B. | Homocline |
| C. | Monocline |
| D. | Dome |
| Answer» D. Dome | |
| 85. |
Identify the class to which the fold below belongs to ___________ |
| A. | Class 1 |
| B. | Class 2 |
| C. | Class 3 |
| D. | Class 4 |
| Answer» C. Class 3 | |
| 86. |
Identify the type of fold shown below. |
| A. | Conjugate fold |
| B. | Cheveron fold |
| C. | Cuspate fold |
| D. | Cylindrical fold |
| Answer» B. Cheveron fold | |