Geophysics MCQs with Answers
Which of the following is NOT a branch of geophysics?
a) Seismology
b) Petrology
c) Geodesy
d) Geomagnetism
Answer: b) Petrology
Which of the following is the study of Earth’s magnetic field and its variations?
a) Seismology
b) Geodesy
c) Petrology
d) Geomagnetism
Answer: d) Geomagnetism
The study of Earth’s internal structure, composition, and processes is known as:
a) Seismology
b) Geomorphology
c) Geodesy
d) Geology
Answer: d) Geology
What is the primary source of Earth’s internal heat?
a) Solar radiation
b) Geothermal energy
c) Radioactive decay
d) Tidal forces
Answer: c) Radioactive decay
Which geophysical method is used to determine the Earth’s subsurface structure by measuring the time it takes for seismic waves to travel through the Earth?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: c) Seismic reflection
Which type of seismic wave causes the most damage during an earthquake?
a) P-waves
b) S-waves
c) Love waves
d) Rayleigh waves
Answer: b) S-waves
The study of Earth’s gravitational field and its variations is known as:
a) Geomorphology
b) Seismology
c) Geodesy
d) Petrology
Answer: c) Geodesy
The Richter scale is used to measure the:
a) Magnitude of earthquakes
b) Depth of earthquakes
c) Duration of earthquakes
d) Frequency of earthquakes
Answer: a) Magnitude of earthquakes
Which of the following is NOT a type of plate boundary?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) Invasive boundary
Answer: d) Invasive boundary
Which geophysical method uses variations in Earth’s magnetic field to detect subsurface structures and mineral deposits?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: b) Magnetic survey
The study of Earth’s surface features, such as mountains, valleys, and rivers, is known as:
a) Seismology
b) Geomorphology
c) Geodesy
d) Petrology
Answer: b) Geomorphology
Which of the following is a technique used in geophysics to measure the density variations of the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
The study of Earth’s magnetic field and its behavior over time is known as:
a) Seismology
b) Geomagnetism
c) Geodesy
d) Petrology
Answer: b) Geomagnetism
What type of seismic wave is the fastest and arrives first at a seismic station during an earthquake?
a) P-waves
b) S-waves
c) Love waves
d) Rayleigh waves
Answer: a) P-waves
The study of Earth’s gravitational field and its effects on objects is known as:
a) Seismology
b) Geodesy
c) Geomagnetism
d) Petrology
Answer: b) Geodesy
Which geophysical method uses the measurement of electrical properties to image subsurface structures?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: d) Electrical resistivity
What is the process of determining the location of an earthquake called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: d) Seismic localization
The study of the Earth’s atmosphere and its interactions with the Earth’s surface is known as:
a) Geodesy
b) Meteorology
c) Seismology
d) Geomagnetism
Answer: b) Meteorology
What is the process of determining the structure of the Earth’s interior using seismic data called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: b) Seismic tomography
Which of the following is a technique used in geophysics to study the behavior of groundwater and the movement of fluids in the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Ground penetrating radar
Answer: d) Ground penetrating radar
The study of Earth’s magnetic field and its variations is used in which field of study?
a) Archeology
b) Paleontology
c) Seismology
d) Geomagnetism
Answer: d) Geomagnetism
Which geophysical method is used to study the density and composition of Earth’s subsurface materials?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
What is the primary source of energy for the Earth’s internal processes, such as plate tectonics and volcanic activity?
a) Solar radiation
b) Geothermal energy
c) Radioactive decay
d) Tidal forces
Answer: c) Radioactive decay
The study of Earth’s internal structure, composition, and processes is known as:
a) Seismology
b) Geology
c) Geodesy
d) Petrology
Answer: b) Geology
Which geophysical method uses variations in Earth’s magnetic field to detect subsurface structures and mineral deposits?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: b) Magnetic survey
The Richter scale is used to measure the:
a) Magnitude of earthquakes
b) Depth of earthquakes
c) Duration of earthquakes
d) Frequency of earthquakes
Answer: a) Magnitude of earthquakes
Which of the following is NOT a type of plate boundary?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) Invasive boundary
Answer: d) Invasive boundary
The study of Earth’s surface features, such as mountains, valleys, and rivers, is known as:
a) Seismology
b) Geomorphology
c) Geodesy
d) Petrology
Answer: b) Geomorphology
Which of the following is a technique used in geophysics to measure the density variations of the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
The study of Earth’s magnetic field and its behavior over time is known as:
a) Seismology
b) Geomagnetism
c) Geodesy
d) Petrology
Answer: b) Geomagnetism
What type of seismic wave is the fastest and arrives first at a seismic station during an earthquake?
a) P-waves
b) S-waves
c) Love waves
d) Rayleigh waves
Answer: a) P-waves
The study of Earth’s gravitational field and its effects on objects is known as:
a) Seismology
b) Geodesy
c) Geomagnetism
d) Petrology
Answer: b) Geodesy
Which geophysical method uses the measurement of electrical properties to image subsurface structures?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: d) Electrical resistivity
What is the process of determining the location of an earthquake called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: d) Seismic localization
The study of the Earth’s atmosphere and its interactions with the Earth’s surface is known as:
a) Geodesy
b) Meteorology
c) Seismology
d) Geomagnetism
Answer: b) Meteorology
What is the process of determining the structure of the Earth’s interior using seismic data called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: b) Seismic tomography
Which of the following is a technique used in geophysics to study the behavior of groundwater and the movement of fluids in the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Ground penetrating radar
Answer: d) Ground penetrating radar
The study of Earth’s magnetic field and its variations is used in which field of study?
a) Archeology
b) Paleontology
c) Seismology
d) Geomagnetism
Answer: d) Geomagnetism
Which geophysical method is used to study the density and composition of Earth’s subsurface materials?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
What is the primary source of energy for the Earth’s internal processes, such as plate tectonics and volcanic activity?
a) Solar radiation
b) Geothermal energy
c) Radioactive decay
d) Tidal forces
Answer: c) Radioactive decay
The study of Earth’s internal structure, composition, and processes is known as:
a) Seismology
b) Geology
c) Geodesy
d) Petrology
Answer: b) Geology
Which geophysical method uses variations in Earth’s magnetic field to detect subsurface structures and mineral deposits?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: b) Magnetic survey
The Richter scale is used to measure the:
a) Magnitude of earthquakes
b) Depth of earthquakes
c) Duration of earthquakes
d) Frequency of earthquakes
Answer: a) Magnitude of earthquakes
Which of the following is NOT a type of plate boundary?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) Invasive boundary
Answer: d) Invasive boundary
The study of Earth’s surface features, such as mountains, valleys, and rivers, is known as:
a) Seismology
b) Geomorphology
c) Geodesy
d) Petrology
Answer: b) Geomorphology
Which of the following is a technique used in geophysics to measure the density variations of the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
The study of Earth’s magnetic field and its behavior over time is known as:
a) Seismology
b) Geomagnetism
c) Geodesy
d) Petrology
Answer: b) Geomagnetism
What type of seismic wave is the fastest and arrives first at a seismic station during an earthquake?
a) P-waves
b) S-waves
c) Love waves
d) Rayleigh waves
Answer: a) P-waves
The study of Earth’s gravitational field and its effects on objects is known as:
a) Seismology
b) Geodesy
c) Geomagnetism
d) Petrology
Answer: b) Geodesy
Which geophysical method uses the measurement of electrical properties to image subsurface structures?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: d) Electrical resistivity
What is the process of determining the location of an earthquake called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: d) Seismic localization
The study of the Earth’s atmosphere and its interactions with the Earth’s surface is known as:
a) Geodesy
b) Meteorology
c) Seismology
d) Geomagnetism
Answer: b) Meteorology
What is the process of determining the structure of the Earth’s interior using seismic data called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: b) Seismic tomography
Which of the following is a technique used in geophysics to study the behavior of groundwater and the movement of fluids in the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Ground penetrating radar
Answer: d) Ground penetrating radar
The study of Earth’s magnetic field and its variations is used in which field of study?
a) Archeology
b) Paleontology
c) Seismology
d) Geomagnetism
Answer: d) Geomagnetism
Which geophysical method is used to study the density and composition of Earth’s subsurface materials?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
What is the primary source of energy for the Earth’s internal processes, such as plate tectonics and volcanic activity?
a) Solar radiation
b) Geothermal energy
c) Radioactive decay
d) Tidal forces
Answer: c) Radioactive decay
The study of Earth’s internal structure, composition, and processes is known as:
a) Seismology
b) Geology
c) Geodesy
d) Petrology
Answer: b) Geology
Which geophysical method uses variations in Earth’s magnetic field to detect subsurface structures and mineral deposits?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: b) Magnetic survey
The Richter scale is used to measure the:
a) Magnitude of earthquakes
b) Depth of earthquakes
c) Duration of earthquakes
d) Frequency of earthquakes
Answer: a) Magnitude of earthquakes
Which of the following is NOT a type of plate boundary?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) Invasive boundary
Answer: d) Invasive boundary
The study of Earth’s surface features, such as mountains, valleys, and rivers, is known as:
a) Seismology
b) Geomorphology
c) Geodesy
d) Petrology
Answer: b) Geomorphology
Which of the following is a technique used in geophysics to measure the density variations of the subsurface?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: a) Gravity survey
The study of Earth’s magnetic field and its behavior over time is known as:
a) Seismology
b) Geomagnetism
c) Geodesy
d) Petrology
Answer: b) Geomagnetism
What type of seismic wave is the fastest and arrives first at a seismic station during an earthquake?
a) P-waves
b) S-waves
c) Love waves
d) Rayleigh waves
Answer: a) P-waves
The study of Earth’s gravitational field and its effects on objects is known as:
a) Seismology
b) Geodesy
c) Geomagnetism
d) Petrology
Answer: b) Geodesy
Which geophysical method uses the measurement of electrical properties to image subsurface structures?
a) Gravity survey
b) Magnetic survey
c) Seismic reflection
d) Electrical resistivity
Answer: d) Electrical resistivity
What is the process of determining the location of an earthquake called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: d) Seismic localization
The study of the Earth’s atmosphere and its interactions with the Earth’s surface is known as:
a) Geodesy
b) Meteorology
c) Seismology
d) Geomagnetism
Answer: b) Meteorology
What is the process of determining the structure of the Earth’s interior using seismic data called?
a) Seismic reflection
b) Seismic tomography
c) Seismic inversion
d) Seismic localization
Answer: b) Seismic tomography