GATE GG-1 discipline:earth-and-geosciences PYQs & Answers — Page 50

Questions 491–500 of 650. Imported answers require independent review unless marked reviewed.

Stream power is the product of specific weight of water with ______.

Your answerChoose one option.

hydraulic radius and Manning roughness coefficient

wetted perimeter and slope

slope and discharge

discharge and Manning roughness coefficient

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Match the landforms given in Group I to the causative process in Group II.

Group I P. Seif Q. Spit R. Levee S. Drumlin

Group II

Coastal

Aeolian

Glacial

Fluvial

Your answerChoose one option.

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

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

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

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

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In a thrust fault exhibiting ramp and flat geometry which one of the following pairs defines a Flat?

Your answerChoose one option.

III

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In the given diagram, which one of the combinations CORRECTly lists structures typically developed at I, II, III, IV?

Diagram for Geology and Geophysics question 29

Your answerChoose one option.

I-pressure ridge, II-thrust, III-horst, IV-pull-apart basin

I-pull-apart basin, II-thrust, III-horst, IV-pressure ridge

I-pressure ridge, II-pull-apart basin, III-thrust, IV-horst

I-pull-apart basin, II-pressure ridge, III-horst, IV-thrust

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The best developed lineation and foliation traces in a L-S tectonite will be observed on a plane ______.

Your answerChoose one option.

parallel to the lineation and foliation

perpendicular to the lineation and foliation

perpendicular to the foliation but parallel to the lineation

perpendicular to the lineation but parallel to the foliation

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Match the type of twining (Group I) with the mineral (Group II) that best exhibits it.

Group I P. Carlsbad Q. Pericline R. Brazil S. Geniculated (elbow)

Group II

Rutile

Quartz

Orthoclase

Plagioclase

Your answerChoose one option.

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

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

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

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

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On inserting a first order red interference filter in SE-NW direction, the interference figure of quartz shows

Your answerChoose one option.

blue in NE, SW quadrants and yellow in NW, SE quadrants.

yellow in NE, SW quadrants and blue in NW, SE quadrants.

blue in NE, NW quadrants and yellow in SW, SE quadrants.

yellow in NE, NW quadrants and blue in SW, SE quadrants.

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Choose the CORRECT combination for the following two statements.

Statement I: Four elements that make up about 90% of the bulk Earth are Fe, O, Si and Mg (in decreasing order of wt % abundance).

Statement II: The four most abundant elements in the Earth’s crust (in decreasing order of wt % abundance) are O, Si, Al and Fe.

Your answerChoose one option.

Both Statements I and II are correct.

Both Statements I and II are incorrect.

Statement I is correct and Statement II is incorrect.

Statement I is incorrect and Statement II is correct.

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Choose the CORRECT combination for the following four statements.

Statement I: Anhydrous partial melting of peridotites produces basic magma. Statement II: Hydrous melting of peridotites produces andesitic magma. Statement III: Congruent melting of minerals produces liquids of compositions identical to the minerals. Statement IV: Incongruent melting of minerals produces liquids of different compositions and new solids.

Your answerChoose one option.

All the four statements I to IV are correct.

Statements I, II and III are correct but statement IV is incorrect.

Statements I and II are correct but statements III and IV are incorrect.

All the four statements I to IV are incorrect.

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The value of salinity, in terms of wt.% NaCl equivalent, of an aqueous saline bi-phase liquid-vapor fluid inclusions is determined by measurement of ______ during microthermometry.

Your answerChoose one option.

last ice-melting temperature

dissolution temperature of halite

eutectic temperature

homogenization temperature

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GATE GG-1 discipline:earth-and-geosciences PYQs

Question 26

Question 27

Question 28

Question 29

Question 30

Question 31

Question 32

Question 33

Question 34

Question 35