MCQOPTIONS
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MCQOPTIONS
This section includes 215 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Geology knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The dip which involves tectonic forces is _____________ |
| A. | Primary dip |
| B. | Secondary dip |
| C. | Local and Regional dip |
| D. | No dip involves tectonic forces |
| Answer» C. Local and Regional dip | |
| 102. |
A coal seam is exposed on a horizontal ground. If it is 30° towards West. Its width of outcrop on a level ground is 360 m. What is its true thickness? |
| A. | 120 m |
| B. | 150 m |
| C. | 160 m |
| D. | 180 m |
| Answer» E. | |
| 103. |
What is the texture called when large-sized crystals are embedded in fine grained matrix? |
| A. | Granitic texture |
| B. | Poiklitic texture |
| C. | Porphyritic texture |
| D. | Directive texture |
| Answer» D. Directive texture | |
| 104. |
The development of ophitic texture is completely understood. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 105. |
Example of directive texture is ______________ |
| A. | Tracheod |
| B. | Granitic |
| C. | Trachytic |
| D. | Porphyritic |
| Answer» D. Porphyritic | |
| 106. |
Form of igneous rock where magma is injected and cooled along planes of host rocks is ______________ |
| A. | Discordant bodies |
| B. | Concordant bodies |
| C. | Parallel bodies |
| D. | Synchronous bodies |
| Answer» C. Parallel bodies | |
| 107. |
The texture which involves polygonal or trigonal spaces in rocks is ______________ |
| A. | Directive texture |
| B. | Intergrowth texture |
| C. | Interstitial texture |
| D. | Intergranular texture |
| Answer» E. | |
| 108. |
What is the term given when some granules are exceptionally large and few are small? |
| A. | Mixed granular |
| B. | Equigranular |
| C. | Inequigranular |
| D. | Unequigranular |
| Answer» D. Unequigranular | |
| 109. |
The grain size involving use of microscope is ______________ |
| A. | Coarse grain |
| B. | Medium grain |
| C. | Fine grain |
| D. | Very coarse grain |
| Answer» D. Very coarse grain | |
| 110. |
The number of equigranular textures are ________________ |
| A. | 1 |
| B. | 3 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 111. |
Most widespread rock on earth is _____________ |
| A. | Igneous rock |
| B. | Sedimentary rock |
| C. | Metamorphic rock |
| D. | All are in equal quantities |
| Answer» C. Metamorphic rock | |
| 112. |
Which of the following about lamination is not true? |
| A. | It is closely related to stratification |
| B. | It is literally paper thin |
| C. | It is a layered structure developed in extremely fine grained igneous rocks |
| D. | It is a layered structure developed in extremely fine grained sedimentary rocks |
| Answer» D. It is a layered structure developed in extremely fine grained sedimentary rocks | |
| 113. |
The maximum angle of inclination of a layer of a rock with the horizontal is _____________ |
| A. | Dip |
| B. | Heave angle |
| C. | Strike |
| D. | Depth |
| Answer» B. Heave angle | |
| 114. |
Stratification can be seen widely in which of the following rocks? |
| A. | Igneous rocks |
| B. | Metamorphic rocks |
| C. | Sedimentary rocks |
| D. | Fossil rocks |
| Answer» D. Fossil rocks | |
| 115. |
Outcrop is seen on land everywhere on earth. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 116. |
Where are the volcanic rocks formed? |
| A. | Under the surface of earth |
| B. | On the surface of earth |
| C. | Inside the core |
| D. | Between mantle |
| Answer» C. Inside the core | |
| 117. |
The branch of geology which deals with various aspects of rocks is ________________ |
| A. | Petrology |
| B. | Mineralogy |
| C. | Lithology |
| D. | Rockology |
| Answer» B. Mineralogy | |
| 118. |
The dip of a layer measured in the direction that is at the right angle to strike is _____________ |
| A. | True dip |
| B. | Apparent dip |
| C. | Straight dip |
| D. | Normal dip |
| Answer» B. Apparent dip | |
| 119. |
At a dam site, a bed of sandstone is exposed on horizontal ground. If it is 25° towards East. Its width of outcrop on a level ground is 240 m, what is its vertical thickness? |
| A. | 101.9 m |
| B. | 99.9 m |
| C. | 111.9 m |
| D. | 121.9 m |
| Answer» D. 121.9 m | |
| 120. |
The study of outcrop dimensions doesn’t involve which of the following aspect? |
| A. | Width |
| B. | Thickness and depth |
| C. | Dip and strike |
| D. | Rock composition and type |
| Answer» E. | |
| 121. |
Foliation is a primary structure of which type of rock? |
| A. | Igneous rock |
| B. | Sedimentary rock |
| C. | Metamorphic rock |
| D. | Not associated with any rock |
| Answer» D. Not associated with any rock | |
| 122. |
Which is the most dominant constituent of igneous rock? |
| A. | Al₂O₃ |
| B. | SiO₂ |
| C. | CaCO₃ |
| D. | CaO |
| Answer» C. CaCO₃ | |
| 123. |
The texture which the characteristics in between granitic and felsitic are ______________ |
| A. | Secondary |
| B. | Intermediate |
| C. | Orthophyric |
| D. | Transitional |
| Answer» D. Transitional | |
| 124. |
What is the approximate percentage of silica present in the igneous rocks? |
| A. | 10% |
| B. | 26% |
| C. | 59% |
| D. | 15% |
| Answer» D. 15% | |
| 125. |
The mineral most abundantly present in the igneous rocks is __________ |
| A. | Micas |
| B. | Titanium |
| C. | Iron |
| D. | Felspars |
| Answer» E. | |
| 126. |
Pick the plutonic igneous rock. |
| A. | Granite |
| B. | Granite porphyry |
| C. | Syenite porphyry |
| D. | Marble |
| Answer» B. Granite porphyry | |
| 127. |
The rock is coarse grained in __________ |
| A. | Volcanic rocks |
| B. | Plutonic rocks |
| C. | Hypabyssal rocks always |
| D. | Not found in igneous rocks |
| Answer» C. Hypabyssal rocks always | |
| 128. |
The plutonic rocks are formed at depths below the earth’s surface ranging |
| A. | 10 to 100 km |
| B. | 100 to 200 km |
| C. | 7 to 10 km |
| D. | 1 to 5 km |
| Answer» D. 1 to 5 km | |
| 129. |
The rocks which exhibit mixed characteristics of volcanic and plutonic rocks are __________ |
| A. | Intermediate rocks |
| B. | Mixed rocks |
| C. | Hypabyssal rocks |
| D. | Secondary rocks |
| Answer» D. Secondary rocks | |
| 130. |
Slaty cleavage is result of which metamorphism of clays and shales? |
| A. | Thermal |
| B. | Dynamic |
| C. | Thermodynamic |
| D. | Barometric |
| Answer» C. Thermodynamic | |
| 131. |
Conglomerates belong to which group of sedimentary rocks? |
| A. | Rudaceous rocks |
| B. | Argillaceous rocks |
| C. | Arenaceous rocks |
| D. | Any group |
| Answer» B. Argillaceous rocks | |
| 132. |
What is the absolute reverse of porphyritic texture? |
| A. | Poiklitic |
| B. | Granitic |
| C. | Felsitic |
| D. | Ophitic |
| Answer» B. Granitic | |
| 133. |
Animal and vegetable life don’t contribute to the formation of sedimentary rocks. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» C. May be True or False | |
| 134. |
Which texture indicates the flow of magma during its formation? |
| A. | Equigranular |
| B. | Directive |
| C. | Intergrowth |
| D. | Intergranular |
| Answer» C. Intergrowth | |
| 135. |
Syenites show similar textures of granites. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 136. |
When the pressure acting on rock is of hydrostatic type then it is called ____________ |
| A. | Pressure metamorphism |
| B. | Load metamorphism |
| C. | Secondary metamorphism |
| D. | Clastic metamorphism |
| Answer» C. Secondary metamorphism | |
| 137. |
The other name for brown coal is ____________ |
| A. | Peat |
| B. | Lignite |
| C. | Bituminous |
| D. | Anthracite |
| Answer» C. Bituminous | |
| 138. |
What are the rocks showing granulose structure called? |
| A. | Granolites |
| B. | Granulites |
| C. | Granilites |
| D. | Granites |
| Answer» C. Granilites | |
| 139. |
The factor not affecting metamorphism is ____________ |
| A. | Wind conditions |
| B. | Temperature |
| C. | Pressure |
| D. | Chemically active fluids |
| Answer» B. Temperature | |
| 140. |
What is the state of lava or magma? |
| A. | Liquid always |
| B. | Solid |
| C. | Gaseous |
| D. | Mixture of liquid, crystals and gases |
| Answer» E. | |
| 141. |
Schistose is resulted due to __________ |
| A. | Recrystallization |
| B. | Reforming |
| C. | Reorientation |
| D. | Recrystallization and reorientation |
| Answer» E. | |
| 142. |
Angle of dip is measured using which instrument? |
| A. | Compass |
| B. | Theodolite |
| C. | Tacheometer |
| D. | Clinometer |
| Answer» E. | |
| 143. |
What is the term when augite has inclusions of plagioclase felspar? |
| A. | Poiklitic |
| B. | Granitic |
| C. | Felsitic |
| D. | Ophitic |
| Answer» E. | |
| 144. |
Shales are generally characterized with distinct ____________ |
| A. | Cleavage |
| B. | Fracture |
| C. | Specific gravity |
| D. | Parting |
| Answer» E. | |
| 145. |
Gneiss formed from sedimentary rock is called __________ |
| A. | Orthogneiss |
| B. | Paragneiss |
| C. | Banded gneiss |
| D. | Augen gneiss |
| Answer» C. Banded gneiss | |
| 146. |
Marble is composed of which mineral? |
| A. | Felspar |
| B. | Mica |
| C. | Quartz |
| D. | Calcite |
| Answer» E. | |
| 147. |
Graded bedding occurs due to which phenomenon? |
| A. | Wind settling |
| B. | Sunlight |
| C. | Gravitational settling |
| D. | Loading |
| Answer» D. Loading | |
| 148. |
The shape arch or dome is shown by which type of concordant body? |
| A. | Sills |
| B. | Lopolith |
| C. | Laccolith |
| D. | Phacolith |
| Answer» D. Phacolith | |
| 149. |
Pick the option which does not determine the texture of igneous rocks. |
| A. | Colour |
| B. | Size |
| C. | Shape |
| D. | Arrangement of the constituents within the body of the rock |
| Answer» B. Size | |
| 150. |
Non-detrital rocks refer to ____________ |
| A. | Clastic rock |
| B. | Non-clastic rock |
| C. | Residual rock |
| D. | None of the types |
| Answer» C. Residual rock | |