Geology and Geophysics
GATE GG-1 year:2023 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
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Which of the following is a chronostratigraphic unit?
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During contact metamorphism, with increasing temperature,
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The dimension of dynamic viscosity is
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At a depth of about 400 km inside the Earth, which one of the following occurs?
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Equatorial radius of which one of the following planets is close to that of the Earth?
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Variation of Bouguer anomaly obtained along a profile after applying all the necessary corrections is due to
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The heat production (
) of a granitic rock due to decay of the radioactive elements U, Th and K having concentration
,
, and
, respectively, is given by the expression
Which one of the following correctly represents the relation between the magnitude of coefficients
(in
)?Your answerChoose one option.
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Which one of the following Phanerozoic periods has the shortest duration of time?
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Based on the given mineral proportions, which one of the following statements is CORRECT?
Rock | Mineral Proportion
X | Olivine : Orthopyroxene : Clinopyroxene :: 50 : 30 : 20
Y | Plagioclase : Alkali feldspar : Quartz :: 25 : 45 : 30
Z | Biotite : Plagioclase : Alkali feldspar : Quartz :: 20 : 25 : 35 : 20
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The CORECT sequence(s) of electromagnetic radiations in terms of increasing wavelength is/are
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