List of top Geology and Geophysics Questions on Magnetic and Gravity Surveys asked in GATE GG

Which geophysical method is most suitable for locating groundwater aquifers?
Which of the following statements is/are correct regarding the magnetic field lines of the Earth, at the magnetic poles and the magnetic equator?
Which of the following can indicate the presence of significant sub-surface iron mineralization?
Match the locations in Group I with the corresponding economic deposits in Group II.
Choose the CORRECT statement(s) on seismic wave propagation in an elastic isotropic medium.