Geology and Geophysics
GATE GG-1 year:2017 PYQs
Build your understanding with focused practice from past exam papers.
Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.
Question 11
Open questionGG-CMCQ1 markNeeds review
Which one of the following minerals has poor cleavage in all directions?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 12
Open questionGG-CMCQ1 markNeeds review
The figure below shows the intercepts of the plane HKL with the crystallographic axes a, b, c. The Miller index of the plane HKL is

Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 13
Open questionGG-CMCQ1 markNeeds review
Match the rocks listed in Group-I with the corresponding general rock classification listed in Group-II.
Group-I
P. Granite
Q. Basalt
R. Gneiss
S. Sandstone
Group-II
Extrusive igneous rock
Biochemical sedimentary rock
Intrusive igneous rock
Metamorphic rock
Clastic sedimentary rock
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionGG-CMCQ1 markNeeds review
Which one of the following oceanic ridges is known to be aseismic?
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 15
Open questionGG-CMCQ1 markNeeds review
Isogonic lines are contours of equal magnetic
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 16
Open questionGG-CMCQ1 markNeeds review
Match the geophysical terms in Group-I with their corresponding units of measurements in Group-II.
Group-I
P. Transit time
Q. Conductivity
R. Gravity anomaly
S. Magnetic field intensity
Group-II
mGal
nanoTesla
siemens
millivolt
microsecond per feet
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionGG-CMCQ1 markNeeds review
The Maxwell’s equation based on Ampere’s law is
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 18
Open questionGG-CMCQ1 markNeeds review
The normal gravity formula (for e.g. GRS80) is a function of
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 19
Open questionGG-CMCQ1 markNeeds review
A seismic refraction survey was carried out over a subsurface consisting of a stack of horizontal isotropic layers. In the common midpoint (CMP) domain, the moveout (traveltime v/s offset) curve for any primary reflection event is best approximated by
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 20
Open questionGG-CMCQ1 markNeeds review
Assertion (a): Magnetic stripes are observed around mid-oceanic ridge regions.
Reason (r): The earth’s magnetic field undergoes reversals of polarity.
Your answerChoose one option.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer