Geomagnetic Field -Multiple Choice Questions Quiz

Interactive MCQs on “Geomagnetic Field”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the geomagnetic field?

(a) The magnetic field generated by human activities
(b) The magnetic field generated by the Earth's core
(c) The magnetic field generated by solar flares
(d) The magnetic field generated by lightning storms

Question 2: What causes the geomagnetic field to exist?

(a) The rotation of the Earth
(b) The presence of metal deposits on the Earth's surface
(c) The solar wind from the Sun
(d) The gravitational pull of the Moon

Question 3: What is the primary function of the geomagnetic field?

(a) To protect the Earth from solar radiation
(b) To guide birds during migration
(c) To create auroras in the polar regions
(d) To generate electricity

Question 4: What is the region around the Earth where the geomagnetic field interacts with the solar wind called?

(a) Geomagnetic axis
(b) Magnetic equator
(c) Geomagnetic pole
(d) Magnetosphere

Question 5: Where is the magnetic field of the Earth strongest?

(a) At the magnetic equator
(b) At the magnetic poles
(c) At the geographical equator
(d) At the geographical poles

Question 6: What is a compass needle aligned with when pointing towards the north?

(a) Magnetic south pole
(b) True north pole
(c) Geographical north pole
(d) Geomagnetic pole

Question 7: What causes the phenomenon of magnetic declination on the Earth's surface?

(a) The rotation of the Earth
(b) The Earth's magnetic field reversal
(c) The movement of tectonic plates
(d) The asymmetrical distribution of the geomagnetic field

Question 8: What are the regions near the magnetic poles where charged particles from the solar wind enter the Earth's atmosphere called?

(a) Equatorial ionosphere
(b) Magnetic equator
(c) Auroral zones
(d) Magnetotail

Question 9: How often does the Earth's magnetic field undergo a reversal, where the magnetic north pole becomes the magnetic south pole and vice versa?

(a) Approximately every 1,000 years
(b) Approximately every 10,000 years
(c) Approximately every 100,000 years
(d) Approximately every 1 million years

Question 10: What is the study of the Earth's magnetic field and its changes over time called?

(a) Magnetometry
(b) Geomagnetology
(c) Geophysics
(d) Seismology