GATE GG-1 topic:geology PYQs & Answers — Page 16

Questions 151–160 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 16 of 65

Which of the following Epochs belong(s) to the Quaternary Period?

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

Holocene

Pleistocene

Pliocene

Miocene

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Which one or more of the following minerals shows O:Si ratio of 4:1 in its silicate structure?

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

Olivine

Quartz

Diopside

Albite

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Which of the following rock structures is/are fold(s)?

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

Antiform

Horst

Syncline

Synform

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Assume heat producing elements are uniformly distributed within a 16 km thick layer in the crust in a heat flow province. Given that the surface heat flow and reduced heat flow are 54 mW/m² and 22 mW/m², respectively, the radiogenic heat production in the given crustal layer in µW/m³ is ____________ (in integer).

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A confined aquifer with a uniform saturated thickness of 10 m has hydraulic conductivity of 10⁻² cm/s. Considering a steady flow, the transmissivity of the aquifer in m²/day is _________________ (rounded off to one decimal place).

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A current of 2 A passes through a cylindrical rod with uniform cross-sectional area of 4 m² and resistivity of 100 Ω-m. The magnitude of the electric field (E) measured along the length of the rod in V/m is ______________ (in integer).

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Which one of the following lineations can be observed on a foliation with an attitude 210°, 40° NW?

Your answerChoose one option.

40° → 300°

40° → 040°

40° → 220°

40° → 350°

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Match the minerals in Group–I with the corresponding cleavage types in Group–II.

Group–I: P. Diopside; Q. Galena; R. Calcite; S. Fluorite

Group–II: 1. Cubic; 2. Octahedral; 3. Prismatic; 4. Rhombohedral

Your answerChoose one option.

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

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

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

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

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The composition of which one of the following reservoirs closely matches with that of iron meteorites?

Your answerChoose one option.

Primitive Mantle

Earth’s Core

Depleted Mantle

Bulk Silicate Earth

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Match the microstructures in Group–I with their characteristics in Group–II.

Group–I: P. Core–mantle; Q. Decussate; R. Spherule; S. Millipede

Group–II: 1. Radiating fibrous aggregate of K-feldspar with or without quartz; 2. Large strained mineral grains surrounded by fine-grained, recrystallized grains; 3. Inclusion trails in a porphyroblast curves into the matrix foliation by developing concave outward pattern; 4. Randomly oriented mineral grains dominated by crystal faces, such as in sheet silicates

Your answerChoose one option.

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

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

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

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

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GATE GG-1 topic:geology PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30