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 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 | |
| 2. |
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 | |
| 3. |
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 | |
| 4. |
There is a hypothesis that the inner core is made up chiefly of iron and nickel. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
The layer which does not transmit the S-waves is _______ |
| A. | Outer core |
| B. | Crust |
| C. | Mantle |
| D. | Inner core |
| Answer» B. Crust | |
| 6. |
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 | |
| 7. |
The exact nature of the mantle is completely understood. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
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 | |
| 9. |
THE_LAYER_WHICH_DOES_NOT_TRANSMIT_THE_S-WAVES_IS________?$ |
| A. | Outer core |
| B. | Crust |
| C. | Mantle |
| D. | Inner core |
| Answer» B. Crust | |
| 10. |
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 | |
| 11. |
There_is_a_hypothesis_that_the_inner_core_is_made_up_chiefly_of_iron_and_nickel._State_true_or_false.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
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 | |
| 13. |
What is the thickness of the inner core? |
| A. | 790 km |
| B. | 1790 km |
| C. | 2790 km |
| D. | 3790 km |
| Answer» C. 2790 km | |
| 14. |
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 | |
| 15. |
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 | |
| 16. |
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 | |
| 17. |
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 | |
| 18. |
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. | |
| 19. |
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 | |
| 20. |
The exact nature of the mantle is completely understood. State true or false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 21. |
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 | |
| 22. |
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 | |