GATE GG-1 year:2022 PYQs & Answers — Page 3

Questions 21–30 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 3 of 7

The intercepts of a crystal face on the crystallographic axes are ∞a, 2b, 3c. Which one of the following is its Miller Index?

Your answerChoose one option.

(032)

(023)

(203)

(320)

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Match the locations in Group I with the corresponding economic deposits in Group II.

Group I: P. Wajakar; Q. Sukinda; R. Malanjkhand; S. Mangmeta

Group II: 1. Chromite; 2. Diamond; 3. Barite; 4. Copper

Your answerChoose one option.

P-3; Q-4; R-1; S-2

P-3; Q-1; R-4; S-2

P-2; Q-1; R-4; S-3

P-2; Q-4; R-1; S-3

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Choose the CORRECT statement(s) on seismic wave propagation in an elastic isotropic medium.

Your answerSelect all correct options. You can choose more than one.

P-waves are polarized in the direction of propagation.

S-waves are polarized in the direction of propagation.

Rayleigh waves are elliptically polarized.

Love waves are elliptically polarized.

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The difference in arrival times of P- and S-waves generated by an earthquake and recorded at a seismological station is one second. Assuming a homogeneous and isotropic Earth, a P-wave velocity (Vₚ) of 3 km/s, the ratio of P- to S-wave velocities (Vₚ/Vₛ) of 2.0, the distance between the station and the hypocenter is __________ km. [round off to 1 decimal place]

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Assuming the rate of rotation of the Earth is 7.27 × 10⁻⁵ radians/s and the radius of Earth is 6371 km, the centrifugal acceleration at 60° latitude for a spherical rotating Earth is _____ × 10⁻³ m/s². [round off to 1 decimal place]

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The angle of inclination of the remanent magnetization of a volcanic rock measured at a location is 45°. The magnetic latitude of the location of the volcanic rock at the time of its magnetization is ________ N. [round off to 1 decimal place]

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A coarse-grained igneous rock consists of 55% olivine, 25% augite and 20% enstatite. According to the IUGS classification, the rock is

Your answerChoose one option.

wehrite

lherzolite

wehrlite

harzburgite

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The rock-type used to build the walls of the Red Fort in Delhi is

Your answerChoose one option.

sandstone

marble

granite

basalt

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During crystallisation of a magma, which one of the following schematic paths (I, II, III and IV) describes the behavior of compatible elements in the residual melt?

Diagram for Geology and Geophysics question 29

Your answerChoose one option.

III

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In the geological map of India, which one of the following geological units has the largest area?

Your answerChoose one option.

Vindhan Supergroup

Deccan Volcanic Province

Singhbhum Granite

Mesozoic rocks of Kutch

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GATE GG-1 year:2022 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30