Class 11 Geography MCQ Chapter 3 Interior of the Earth Solutions English Medium to each chapter is provided in the list so that you can easily browse through different chapters Class 11 Geography MCQ Chapter 3 Interior of the Earth Question Answer and select need one. AHSEC Class 11 Geography MCQ Chapter 3 Interior of the Earth Question Answer in English Download PDF. AHSEC Class 11 Elective Geography MCQs English Medium.
Class 11 Geography MCQ Chapter 3 Interior of the Earth
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 11 Elective Geography Multiple Choice Solutions are part of All Subject Solutions. Here we have given AHSEC Class 11 Elective Geography Objective Type Question Answer in English for All Chapters, You can practice these here.
Interior of the Earth
Chapter: 3
| MCQs |
1. How many concentric layers form the spherical interior of the Earth?
(a) Two.
(b) Three.
(c) Four.
(d) Five.
Ans: (b) Three.
2. How many types of earthquake waves are there?
(a) Three types.
(b) Four types.
(c) Five types.
(d) Six types.
Ans: (a) Three types.
3. At what depth do secondary waves disappear?
(a) 2500 km.
(b) 2700 km.
(c) 2900 km.
(d) 3100 km.
Ans: (b) 2700 km.
4. The layer extending from the lower part of the mantle to the Earth’s center is called—
(a) Mantle.
(b) Crust.
(c) Lithosphere.
(d) Core.
Ans: (d) Core.
5. The instrument used to record earthquake waves is called—
(a) Seismograph.
(b) Secondary Wave.
(c) Primary Wave.
(d) None of these.
Ans: (a) Seismograph.
6. How many layers are there inside the Earth?
(a) Two.
(b) Four.
(c) Three.
(d) Five.
Ans: (c) Three.
7. What is the name of the Earth’s second layer?
(a) Crust.
(b) Sima.
(c) Lithosphere.
(d) Mantle.
Ans: (b) Sima.
8. What is the approximate depth of the gold mine in South Africa?
(a) 4 km.
(b) 5 km.
(c) 6 km.
(d) 7 km.
Ans: (a) 4 km.
9. Which wave travels at a speed of 3–5 km per second?
(a) S-wave.
(b) P-wave.
(c) L-wave.
(d) None of these.
Ans: (c) L-wave.
10. What is the name of the second wave of an earthquake?
(a) Transverse wave.
(b) Primary wave.
(c) Secondary wave.
(d) None of these.
Ans: (a) Transverse wave.
11. What is the name of the upper layer of the crust?
(a) Sima.
(b) Sial.
(c) Mantle.
(d) Lithosphere.
Ans: (b) Sial.
12. The layer where magma from volcanoes moves is called—
(a) Lithosphere.
(b) Crust.
(c) Asthenosphere.
(d) None of these.
Ans: (c) Asthenosphere.
13. What is the minimum density of the Earth’s crustal layer?
(a) 3.5
(b) 2.5
(c) 2.7
(d) 5.5
Ans: (c) 2.7
14. What is the point of origin of an earthquake called?
(a) Focus.
(b) Epicenter.
(c) Core.
(d) Lithosphere.
Ans: (a) Focus.
15. S-waves can travel up to what depth?
(a) 600 km.
(b) 100 km.
(c) 2900 km.
(d) 4500 km.
Ans: (c) 2900 km.
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