MCQOPTIONS
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MCQOPTIONS
This section includes 219 Mcqs, each offering curated multiple-choice questions to sharpen your Grade8 knowledge and support exam preparation. Choose a topic below to get started.
| 151. |
The tremendous compressional forces exerted on the rock layers by geological movements causes rock layers to |
| A. | crack |
| B. | bend |
| C. | heat up |
| D. | vibrate |
| Answer» C. heat up | |
| 152. |
The plate boundaries, made up of oceanic sedimentary rocks, are pushed to form a |
| A. | natural mountain range |
| B. | fold mountain range |
| C. | faulty mountain range |
| D. | converging mountain range |
| Answer» C. faulty mountain range | |
| 153. |
An example of the folding of two continental plates is |
| A. | Indo-Australian and North American Plate |
| B. | Indo-Australian and Eurasian Plate |
| C. | Eurasian and Persian Plate |
| D. | Persian and Arabian Plate |
| Answer» C. Eurasian and Persian Plate | |
| 154. |
If further pushed, the overfold becomes a/an |
| A. | recumbent fold |
| B. | precumbent fold |
| C. | procumbent fold |
| D. | deceptive fold |
| Answer» B. precumbent fold | |
| 155. |
Normal fault takes place when the crust is |
| A. | pushed towards |
| B. | pulled apart |
| C. | vibrated |
| D. | expanded |
| Answer» C. vibrated | |
| 156. |
The number of major types of faults is |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» D. four | |
| 157. |
The point at which the earthquake takes place is known as |
| A. | origin |
| B. | epicenter |
| C. | principal |
| D. | focus |
| Answer» E. | |
| 158. |
Earthquakes occur most frequently at |
| A. | plate surface |
| B. | plate boundaries |
| C. | plate vacuum |
| D. | ocean beds |
| Answer» C. plate vacuum | |
| 159. |
The amount of energy released on the value of '6' is 32 times greater than the amount of energy released on the value of |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 2 |
| Answer» D. 2 | |
| 160. |
Richter scale is a |
| A. | logarithmic scale |
| B. | calculus scale |
| C. | volumetric scale |
| D. | area to vibration ratio scale |
| Answer» B. calculus scale | |
| 161. |
Poorly built buildings may collapse at a scale of |
| A. | 5 |
| B. | 6 |
| C. | 7 |
| D. | 10-Aug |
| Answer» C. 7 | |
| 162. |
An example of fold mountain range in Europe is |
| A. | Andes |
| B. | Alps |
| C. | Rock Mountains |
| D. | Himalayas |
| Answer» C. Rock Mountains | |
| 163. |
Even further over limited push would convert recumbent fold into a |
| A. | under thrust fold |
| B. | over lifted fold |
| C. | over dragged fold |
| D. | over thrust fold |
| Answer» E. | |
| 164. |
The fault or fold of a plate depends on its |
| A. | density |
| B. | mass |
| C. | shape and size |
| D. | flexibility under force |
| Answer» E. | |
| 165. |
Another force due to which Faulting occurs is |
| A. | magnetic force |
| B. | contact force |
| C. | compressional force |
| D. | expansion force |
| Answer» D. expansion force | |
| 166. |
When folding occurs in sedimentary rock layers, they bend upwards and form a/an |
| A. | limbs |
| B. | syncline |
| C. | anticline |
| D. | cliff |
| Answer» D. cliff | |
| 167. |
An example of fold mountain range in the Northern America is |
| A. | Andes |
| B. | Alps |
| C. | Rock Mountains |
| D. | Himalayas |
| Answer» D. Himalayas | |
| 168. |
An example of fold mountain range is |
| A. | Himalayas |
| B. | Tian Shan |
| C. | Hindu Kush |
| D. | Sierra Nevada |
| Answer» B. Tian Shan | |
| 169. |
The directions in which the displacement of rocks occurs are |
| A. | vertical only |
| B. | horizontal only |
| C. | diagonal only |
| D. | all of them |
| Answer» E. | |
| 170. |
Faulting takes place when rocks within Earth's crust form |
| A. | water spaces |
| B. | mountains |
| C. | asymmetrical mountains |
| D. | cracks |
| Answer» E. | |
| 171. |
Rift valleys and block mountains are landforms that are formed by |
| A. | folding |
| B. | faulting |
| C. | displacement |
| D. | collision |
| Answer» C. displacement | |
| 172. |
Rocks under compressional force are |
| A. | pushed apart |
| B. | crushed |
| C. | transformed |
| D. | diverged |
| Answer» C. transformed | |
| 173. |
When the rock layers bend downwards, they form a |
| A. | limbs |
| B. | syncline |
| C. | anticline |
| D. | cliff |
| Answer» C. anticline | |
| 174. |
An example of fold mountain range in the Southern America is |
| A. | Andes |
| B. | Alps |
| C. | Rock Mountains |
| D. | Himalayas |
| Answer» B. Alps | |
| 175. |
The average temperature of the core of Earth is |
| A. | 1000°C |
| B. | 2000°C |
| C. | 3000°C |
| D. | 4000°C |
| Answer» E. | |
| 176. |
When two Continental Plates with same density, collide with one another, |
| A. | collision takes place |
| B. | earthquake takes place |
| C. | transformation takes place |
| D. | folding takes place |
| Answer» E. | |
| 177. |
The process of collision of two plates with different densities is known as |
| A. | Abduction |
| B. | Subduction |
| C. | Prediction |
| D. | Production |
| Answer» C. Prediction | |
| 178. |
Extreme heat from within the Earth creates convection current within the |
| A. | crust |
| B. | mantle |
| C. | core |
| D. | plates |
| Answer» C. core | |
| 179. |
The Divergent Plate Movement of the African Plate and American Plate will cause the Atlantic Ocean to |
| A. | shrink |
| B. | get shallower |
| C. | deepen |
| D. | expand |
| Answer» E. | |
| 180. |
Earthquakes and Volcanic eruptions mainly take place at the |
| A. | plate surface |
| B. | plate boundaries |
| C. | terrestrial areas |
| D. | ocean beds |
| Answer» C. terrestrial areas | |
| 181. |
The place where some parts of the Crustal Plates are destroyed is known as |
| A. | obstructive plate boundary |
| B. | constructive plate boundary |
| C. | subductive plate boundary |
| D. | destructive plate boundary |
| Answer» E. | |
| 182. |
Scientists believe that the core is made up of |
| A. | iron and nickel |
| B. | iron and tungsten |
| C. | nickel and aluminum |
| D. | nickel and zinc |
| Answer» B. iron and tungsten | |
| 183. |
Overtime, the sea floor spreads to fill the gap extended by the |
| A. | magma |
| B. | divergence of plates |
| C. | convergence of plates |
| D. | transformation of plates |
| Answer» C. convergence of plates | |
| 184. |
When an Oceanic Plate collides with a Continental Plate, the Oceanic plate is forced |
| A. | upwards |
| B. | into it |
| C. | downwards |
| D. | backwards |
| Answer» D. backwards | |
| 185. |
The approximate range of earthquakes that occur each year is |
| A. | hundreds |
| B. | thousands |
| C. | millions |
| D. | billions |
| Answer» C. millions | |
| 186. |
The vibrations radiate from the focus in all direction as |
| A. | Longitudinal waves |
| B. | Transverse waves |
| C. | Seismic waves |
| D. | Typanic waves |
| Answer» D. Typanic waves | |
| 187. |
If 'Almost everything destroys' and the ground ripples, the intensity level is |
| A. | 8 |
| B. | 10 |
| C. | 12 |
| D. | 14 |
| Answer» D. 14 | |
| 188. |
Windows may rattle and people may feel the tremor at the scale of |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 2 |
| Answer» C. 5 | |
| 189. |
The amount of energy released by an earthquake is also known as |
| A. | unit |
| B. | magnitude |
| C. | direction |
| D. | scale |
| Answer» C. direction | |
| 190. |
Volcanism that takes place when columns of molten magma in the mantle rises from the hot spot to the Earth's surface, melting the crustal plate directly above it, is known as |
| A. | Underwater volcanism |
| B. | Volcanism at Destructive plate boundary |
| C. | Volcanism at hotspot |
| D. | Earthquake Volcanism |
| Answer» D. Earthquake Volcanism | |
| 191. |
The opening or a hole in the Earth's crust through which the magma comes to the Earth's surface is known as |
| A. | Vent |
| B. | Cone |
| C. | Pipe |
| D. | Crater |
| Answer» B. Cone | |
| 192. |
The world's underwater ridges and islands were formed as a result of |
| A. | Underwater volcanism |
| B. | Volcanism at Destructive plate boundary |
| C. | Volcanism at hotspot |
| D. | Earthquake Volcanism |
| Answer» B. Volcanism at Destructive plate boundary | |
| 193. |
Acid lava flows slowly as it is highly |
| A. | dense |
| B. | viscous |
| C. | sensitive |
| D. | resistive |
| Answer» C. sensitive | |
| 194. |
Volcanoes that erupt frequently are known as |
| A. | Active volcanoes |
| B. | Dormant volcanoes |
| C. | Extinct volcanoes |
| D. | Instinct volcanoes |
| Answer» B. Dormant volcanoes | |
| 195. |
The mid-Atlantic ridge is so tall that it actually rises above the sea in many places forming |
| A. | icy islands |
| B. | ice lands |
| C. | volcanic islands |
| D. | rocky islands |
| Answer» D. rocky islands | |
| 196. |
When liquid is highly viscous, it means there is more resistance to its |
| A. | conductivity |
| B. | flow |
| C. | insulation |
| D. | hardness |
| Answer» C. insulation | |
| 197. |
An example of mid-oceanic ridge is the |
| A. | mid-arctic ridge |
| B. | mid-Asian ridge |
| C. | mid-European ridge |
| D. | mid-Atlantic ridge |
| Answer» E. | |
| 198. |
Composite Lava Volcano is also known as |
| A. | cinder volcano |
| B. | ash volcano |
| C. | pyroclastic volcano |
| D. | ash and cinder cone volcano |
| Answer» E. | |
| 199. |
At the boundary, the oceanic plates diverge leaving |
| A. | a gap |
| B. | sand |
| C. | ocean bed |
| D. | plate lefts |
| Answer» B. sand | |
| 200. |
When the volcanos ejects basic lava, the eruption is mainly |
| A. | loud |
| B. | violent |
| C. | quite |
| D. | hard |
| Answer» D. hard | |