MCQOPTIONS
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MCQOPTIONS
This section includes 22 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 mineral most abundantly present in the igneous rocks is __________ |
| A. | Micas |
| B. | Titanium |
| C. | Iron |
| D. | Felspars |
| Answer» E. | |
| 2. |
Porphyries are examples of which type of rocks? |
| A. | Volcanic |
| B. | Plutonic |
| C. | Hypabyssal |
| D. | Sedimentary rocks |
| Answer» D. Sedimentary rocks | |
| 3. |
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 | |
| 4. |
Pick the plutonic igneous rock. |
| A. | Granite |
| B. | Granite porphyry |
| C. | Syenite porphyry |
| D. | Marble |
| Answer» B. Granite porphyry | |
| 5. |
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 | |
| 6. |
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 | |
| 7. |
Magma is hypothetical melt. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
The branch of geology which deals with various aspects of rocks is ________________ |
| A. | Petrology |
| B. | Mineralogy |
| C. | Lithology |
| D. | Rockology |
| Answer» B. Mineralogy | |
| 9. |
PICK_THE_PLUTONIC_IGNEOUS_ROCK.?$ |
| A. | Granite |
| B. | Granite porphyry |
| C. | Syenite porphyry |
| D. | Marble |
| Answer» B. Granite porphyry | |
| 10. |
Porphyries are examples of which type of rocks?$ |
| A. | Volcanic |
| B. | Plutonic |
| C. | Hypabyssal |
| D. | Sedimentary rocks |
| Answer» D. Sedimentary rocks | |
| 11. |
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 | |
| 12. |
What is the approximate percentage of silica present in the igneous rocks? |
| A. | 10% |
| B. | 26% |
| C. | 59% |
| D. | 15% |
| Answer» D. 15% | |
| 13. |
The mineral most abundantly present in the igneous rocks is |
| A. | Micas |
| B. | Titanium |
| C. | Iron |
| D. | Felspars |
| Answer» E. | |
| 14. |
Which is the most dominant constituent of igneous rock? |
| A. | Al<sub>2</sub>O<sub>3</sub> |
| B. | SiO<sub>2</sub> |
| C. | CaCO<sub>3</sub> |
| D. | CaO |
| Answer» C. CaCO<sub>3</sub> | |
| 15. |
The rock is coarse grained i? |
| A. | Volcanic rocks |
| B. | Plutonic rocks |
| C. | Hypabyssal rocks always |
| D. | Not found in igneous rocks |
| Answer» C. Hypabyssal rocks always | |
| 16. |
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 | |
| 17. |
Magma is hypothetical melt. State true or false. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 18. |
What is the grain size of volcanic rocks? |
| A. | Very coarse |
| B. | Coarse |
| C. | Intermediate |
| D. | Very fine |
| Answer» E. | |
| 19. |
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 | |
| 20. |
What is the state of lava or magma? |
| A. | Liquid always |
| B. | Solid |
| C. | Gaseous |
| D. | Mixture of liquid, crystals and gases |
| Answer» E. | |
| 21. |
What are the two conditions believed to be required for the formation of igneous rocks? |
| A. | Low temperature and molten state |
| B. | Molten state and very high temperature |
| C. | Molten state and moderate temperature |
| D. | Crystallized state and moderate temperature |
| Answer» C. Molten state and moderate temperature | |
| 22. |
The branch of geology which deals with various aspects of rocks is |
| A. | Petrology |
| B. | Mineralogy |
| C. | Lithology |
| D. | Rockology |
| Answer» B. Mineralogy | |