Class 11 Geography MCQ Chapter 4 Continental Drift and Plate Tectonic Theory 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 4 Continental Drift and Plate Tectonic Theory Question Answer and select need one. AHSEC Class 11 Geography MCQ Chapter 4 Continental Drift and Plate Tectonic Theory Question Answer in English Download PDF. AHSEC Class 11 Elective Geography MCQs English Medium.
Class 11 Geography MCQ Chapter 4 Continental Drift and Plate Tectonic Theory
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.
Continental Drift and Plate Tectonic Theory
Chapter: 4
| MCQs |
1. After which year did the modern development of the Plate Tectonic Theory occur?
(a) After 1960.
(b) After 1962.
(c) After 1964.
(d) After 1990.
Ans: (a) After 1960.
2. The theory of Continental Drift was proposed by—
(a) W.J. Morgan.
(b) Alfred Wegener.
(c) Arthur Holmes.
(d) None of these.
Ans: (b) Alfred Wegener.
3. The ancient supercontinent Pangaea was surrounded by which ocean?
(a) Arctic Ocean.
(b) Tethys Ocean.
(c) Panthalassa Ocean.
(d) Atlantic Ocean.
Ans: (c) Panthalassa Ocean.
4. Who proposed the “Convection Current Theory”?
(a) Hess.
(b) Davis.
(c) Bullard.
(d) Arthur Holmes.
Ans: (d) Arthur Holmes.
5. Rocks of around how many crore years old show striking similarities between Brazil and West Africa?
(a) 200 crore.
(b) 300 crore.
(c) 400 crore.
(d) 500 crore.
Ans: (a) 200 crore.
6. According to whom were all the continents once united as a single supercontinent called Pangaea?
(a) Arthur Holmes.
(b) Hess.
(c) Davis.
(d) Wegener.
Ans: (d) Wegener.
7. How many landmasses separated by oceans were identified as Lemuria, the home of lemurs?
(a) Three.
(b) Four.
(c) Five.
(d) Six.
Ans: (a) Three.
8. The movement and re-establishment of continents are collectively known as—
(a) Orogeny.
(b) Continental Drift.
(c) Plain formation.
(d) None of these.
Ans: (b) Continental Drift.
9. In which year did Tuzo Wilson propose that the Earth’s crust is made up of small and large polygonal fragments?
(a) 1956.
(b) 1969.
(c) 1965.
(d) 1967.
Ans: (c) 1965.
10. The Sial and Sima layers are composed of materials with densities ranging between—
(a) 3.65–2.90
(b) 1.65–2.90
(c) 4.65–2.90
(d) 2.65–2.90
Ans: (d) 2.65–2.90
11. Who formulated the Continental Drift Theory?
(a) Darwin.
(b) Wegener.
(c) Hazen.
(d) None of these.
Ans: (b) Wegener.
12. How many types of plates are there?
(a) Three.
(b) Four.
(c) Five.
(d) None of these.
Ans: (a) Three.
13. The similarity among continents is identified through—
(a) Vegetation.
(b) Temperature.
(c) Coastline structure.
(d) Rainfall distribution.
Ans: (c) Coastline structure.
14. The Plate Tectonic Theory is based on—
(a) Mantle convection.
(b) Glacial movement.
(c) Continental uplift.
(d) Rainfall statistics.
Ans: (a) Mantle convection.
15. According to the Plate Tectonic Theory, the uppermost layer of the Earth is called—
(a) Mantle.
(b) Core.
(c) Lithosphere.
(d) None of these.
Ans: (c) Lithosphere.
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