Geomorphology 200 Important MCQS Part 2 FOR NTA UGC NET
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Q.26. Which of the following earthquake waves is first recorded on the Seismograph?
(A) P-waves
(B) Rayleigh waves
(C) S-waves
(D) Love waves
Answer: A
Explanation:
P Waves: (Body Waves)
Primary waves are called so because they are the fastest among the seismic waves and hence are recorded first on the seismograph.
They can travel in all mediums, Solids > Liquids > Gases.
S- Waves: (Body Waves)
Secondary Waves
S-waves arrives at the surface with some time lag.
They can travel T only through solid materials
L waves (Surface waves):
Last to report on seismograph.
These waves are more destructive.
They cause displacement of rocks, and hence, the collapse of structure occurs
Q.27. The average density of the Earth is
(A) 5.5
(B) 5.15
(C) 5.517 g/cm3
(D) 5.555 g/cm3
Answer: C
Explanation:
Q.28. Which of the following earthquake waves are most destructive?
(A) S Waves
(B) P Waves
(C) R Waves
(D) L Waves
Answer: D
Explanation:
L waves (Surface waves):
Last to report on seismograph.
These waves are more destructive.
They cause displacement of rocks, and hence, the collapse of structure occurs
Q.29. Which seismic waves can pass through solid and liquid materials?
(A) P. Waves
(B) S. Waves
(C) L. Waves
(D) PG–SG Waves
Answer: A
Explanation:
Q.30. The Elastic Rebound Theory (1906) profound by H.F. Reid which explains
(A) Origin of continents and oceans basins
(B) Origin of Cyclone
(C) Origin of Mountains
(D) Mode and Causes of Earthquake
Answer: D
Explanation:
Q.31. The magnitude or intensity of energy released by an earthquake is measured by
(A) Seismograph
(B) Richter Scale
(C) Pantograph
(D) Epicentre
Answer: B
Explanation:
Q.32. The lines joining the places of equal intensity of seismic waves are known as
(A) Isohalines
(B) Isoseismic lines
(C) Isobars
(D) Isochrones
Answer: B
Explanation:
Q.33. Which is called ‘Country of Earthquake’?
(A) North Korea
(B) Germany
(C) China
(D) Japan
Answer: D
Explanation:
Q.34. The main causes of Tsunami are
(A) Explosion of Volcano
(B) Strong earthquake in the ocean
(C) Cyclone in the Ocean
(D) Nuclear explosion in the ocean
Answer: B
Explanation:
Tsunami are waves caused by sudden movement of the ocean surface due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean.
Q.35. When did Sumatra Tsunami occurs in the Indian Ocean.
(A) December 26, 2006
(B) December 26, 2004
(C) December 26, 2003
(D) December 26, 2002
Answer: B
Explanation:
Q.36. One the basis of Earthquake Seismic Zones, India is divided into how many zones
(A) Zone IV
(B) Zone V
(C) Zone VI
(D) Zone VII
Answer: A
Explanation:
Q.37. The Word “Tsunami” is derived from
(A) Chinese
(B) German Word
(C) French
(D) Japanese
Answer: D
Explanation:
Q.38. The concept of Geosynclines was propounded by
(A) James Hall and Dana
(B) Haug
(C) Steers
(D) Holmes
Answer: A
Explanation:
Q.39. Barysphere is composed of –
(A) Nickel and Ferrum
(B) Silica and Aluminum
(C) Iron and Nickel
(D) Iron and Silica
Answer: C
Explanation:
Q.40. Match List I with List II and select the correct answer using the code given below
List-I
(Boundary below the Earth)
- Division of Sial and Sima
- Boundary between Crust and Upper Mentle
- Boundary Between Mantle and Core
- Boundary between outer core and inner core
List-II
(Propounder)
- Weihert Gutten Berg Discontinuity
- Conorad Discontinuity
- Lehman Discontinuity
- Mohorovicic Discontinuity
Code:
| A | B | C | D | |
| A. | 1 | 2 | 3 | 4 |
| B. | 2 | 4 | 1 | 3 |
| C. | 2 | 4 | 3 | 1 |
| D. | 1 | 3 | 4 | 2 |
Answer: B
Explanation:
Q.41. First Order Relief features refers to
(A) Continents
(B) Mountains
(C) Plains and Plateaus
(D) Continents and Oceans Basins
Answer: D
Explanation:
First Order Relief features – Continents and Ocean Basins
Second Order Relief features – Mountain, Plateau, Plain, faults and rift valleys
Third Order Relief features – landforms of running water, ground water, sea waves, wind, glacier etc.
Q.42. Who propounded the Tetrahedral Hypothesis (1875) about the origin of continents and ocean basins?
(A) Alfred Wegner
(B) Lothian Green
(C) Dutton
(D) Herry Hess
Answer: B
Explanation:
Q.43. Who postulated continental drift theory (1912)
(A) J.T. Wilson
(B) Mackenzie’s & Parker
(C) Alfred Wegner
(D) Dutton
Answer: C
Explanation:
Q.44. Pangaea refers to the
(A) A Series of Mountains Chain
(B) A Huge Water Body
(C) United form of Landmasses
(D) A Series of Interglacial Periods
Answer: C
Explanation:
Q.45. Panthalassa refers to the
(A) A Series of Inter Glacial Periods
(B) A Series of Volcanic Chains
(C) A Series of Mountains Chains
(D) A Huge Water Body
Answer: D
Explanation:
Panthalassa, also known as the Panthalassic Ocean or Panthalassan Ocean, was the superocean that surrounded the supercontinent Pangaea.
Q.46. Jig-Saw fit idea is related to
(A) Tetrahedral Hypothesis
(B) Continental Drift Theory
(C) Concept of Sea Floor Spreading
(D) A kinds of Flora
Answer: B
Explanation:
Q.47. The term plate was first time used by
(A) Harry Hess
(B) J.T. Wilson
(C) Mackenzie and Perker
(D) W.J. Morgan
Answer: B
Explanation:
Q.48. Who postulated the paving stone hypothesis?
(A) W. G. Wine and Mattheus
(B) McKenzie and Parker
(C) W. J. Moran and Le Pichon
(D) Isacks and Sykes
Answer: B
Explanation:
Q.49. How many major plates are found in the Lithosphere?
(A) 4
(B) 5
(C) 6
(D) 7
Answer: D
Explanation:
Earth’s lithosphere is divided into 7 major plates and about 20 minor plates.
Q.50. How many minor plates are found in the Lithosphere?
(A) 18
(B) 20
(C) 25
(D) 26
Answer: B
Explanation: