Geology and Geophysics
GATE GG-1 Petrology PYQs
Build your understanding with focused practice from past exam papers.
How to practice Petrology
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–6 of 6. Imported answers require independent review unless marked reviewed.
Question 14
Open questionGGMCQ1 markNeeds review
Which one of the following is an ultramafic rock?
Your answerChoose one option.
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Open questionGGNAT1 markNeeds review
The average bulk density of a fully saturated sandstone reservoir with a fractional porosity of 0.23 is _____ g/cc. [round off to 2 decimal places]
[Assume matrix density for sandstone = 2.63 g/cc and fluid density = 1.05 g/cc]
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Open questionGGMCQ1 markNeeds review
The rock-type used to build the walls of the Red Fort in Delhi is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 8
Open questionPART AMCQ1 markNeeds review
Which one of the following rocks is associated with metamorphic thermal aureoles?
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Open questionPART ANAT1 markNeeds review
Given that
, the
is ______
(round off to 1 decimal place).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.
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