Geophysics MCQs with Answers

adminJune 12, 2024

0 10 1 minute read

Welcome to the Geophysics MCQs with Answers. In this post, we have shared Geophysics Online Test for different competitive exams. Find practice Geophysics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Geophysics.

Geophysics Online Quiz

By presenting 3 options to choose from, Geophysics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Geophysics Questions and Answers and click over the correct answer.

Test Name: Geophysics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Geophysics

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1 / 40

What is the name of the theory that explains the movement of Earth's lithospheric plates?

Seafloor spreading

Plate tectonics

Continental drift

2 / 40

What is the name of the supercontinent believed to have existed in the past?

Laurasia

Pangaea

Gondwana

3 / 40

What is the average thickness of the Earth's crust?

30-50 km

10-20 km

70-100 km

4 / 40

What is the boundary between the Earth's crust and mantle called?

Mohorovičić discontinuity (Moho)

Gutenberg discontinuity

Lehmann discontinuity

5 / 40

What is the process of the Earth's outer layer breaking into large pieces called?

Seafloor spreading

Subduction

Continental drift

6 / 40

Which layer of the Earth's atmosphere contains the ozone layer?

Troposphere

Stratosphere

Mesosphere

7 / 40

Which layer of the Earth's interior is believed to be responsible for generating the magnetic field?

Outer core

Inner core

Mantle

8 / 40

Which type of volcano has a steep-sided cone formed by explosive eruptions?

Shield volcano

Stratovolcano

Cinder cone volcano

9 / 40

Which seismic wave causes the most damage during an earthquake?

P-wave

Surface wave

S-wave

10 / 40

What is the study of the Earth's interior structure called?

Petrology

Seismology

Geomorphology

11 / 40

What type of fault occurs when the hanging wall moves downward relative to the footwall?

Reverse fault

Normal fault

Strike-slip fault

12 / 40

What is the process of heat transfer in the Earth's mantle?

Conduction

Convection

Radiation

13 / 40

What is the study of the Earth's magnetic field called?

Geomagnetism

Seismology

Geotectonics

14 / 40

Which type of fault occurs when the hanging wall moves upward relative to the footwall?

Normal fault

Strike-slip fault

Reverse fault

15 / 40

Which layer of the Earth's atmosphere contains the ozone layer?

Stratosphere

Troposphere

Mesosphere

16 / 40

What is the term for the bending of seismic waves as they pass from one material to another?

Refraction

Diffraction

Reflection

17 / 40

What is the process of one tectonic plate moving beneath another called?

Convergence

Divergence

Subduction

18 / 40

What is the layer of the Earth's atmosphere where most meteors burn up?

Thermosphere

Mesosphere

Exosphere

19 / 40

What is the process of the Earth's outer layer breaking into large pieces called?

Subduction

Continental drift

Seafloor spreading

20 / 40

What is the term for the measurement of the Earth's magnetic field strength?

Gravimetry

Magnetometry

Geodesy

21 / 40

What is the zone in the Earth's mantle where rocks are solid but can deform and flow called?

Mesosphere

Lithosphere

Asthenosphere

22 / 40

What is the study of the Earth's gravitational field called?

Geodesy

Geomorphology

Gravimetry

23 / 40

What is the primary source of Earth's magnetic field?

Cosmic radiation

Movement of molten iron in the outer core

Magnetization of rocks

24 / 40

Which seismic wave is the slowest?

Surface wave

S-wave

P-wave

25 / 40

Which seismic wave arrives first during an earthquake?

Surface wave

P-wave

S-wave

26 / 40

What is the main cause of earthquakes?

Volcanic activity

Tectonic plate movement

Asteroid impact

27 / 40

What is the process of rock formation from magma or lava called?

Crystallization

Igneous petrogenesis

Solidification

28 / 40

What is the study of the Earth's physical properties and processes using seismic waves?

Geomagnetism

Petrology

Seismology

29 / 40

Which scale measures the magnitude of earthquakes?

Mercalli scale

Beaufort scale

Richter scale

30 / 40

Which type of rock is formed from the accumulation and compression of sediment?

Igneous rock

Sedimentary rock

Metamorphic rock

31 / 40

What is the process of one tectonic plate sinking beneath another called?

Subduction

Collision

Divergence

32 / 40

What is the layer between the crust and the core of the Earth?

Mantle

Asthenosphere

Lithosphere

33 / 40

Which instrument is used to measure seismic waves?

Magnetometer

Seismometer

Barometer

34 / 40

What is the name of the layer in the Earth's atmosphere where weather occurs?

Stratosphere

Troposphere

Thermosphere

35 / 40

What is the main cause of earthquakes?

Tectonic plate movement

Volcanic activity

Asteroid impact

36 / 40

What is the name of the zone in the Earth's mantle where rocks become semi-molten?

Asthenosphere

Lithosphere

Mesosphere

37 / 40

What is the term for the process of one tectonic plate sliding past another horizontally?

Transform fault

Divergent boundary

Convergent boundary

38 / 40

What is the study of the Earth's physical properties and processes using electromagnetic methods?

Geothermal

Geodesy

Geoelectromagnetism

39 / 40

What is the term for the bending of seismic waves around the Earth's surface?

Refraction

Diffraction

Reflection

40 / 40

What is the boundary between the Earth's crust and mantle called?

Gutenberg discontinuity

Lehmann discontinuity

Mohorovičić discontinuity (Moho)

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adminJune 12, 2024

0 10 1 minute read