GATE GG-1 purpose:exam-prep PYQs & Answers — Page 19

Questions 181–190 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 19 of 65

In the fold profile section shown in the figure, 1 and 3 are the oldest and the youngest stratigraphic units, respectively. Which one of the following fold descriptions CORRECTLY matches the asymmetric fold shown in the given figure?

Diagram for Geology and Geophysics question 51

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Antiform facing east

Synform facing east

Antiform facing west

Synform facing west

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If ‘X’ represents the initial composition of a melt, which one of the trends indicated by arrows in the schematic diagram corresponds to the evolution of the residual melt composition during crystallization of diopside?

Diagram for Geology and Geophysics question 52

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III

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Match the following copper deposits in Group–I with their host rocks in Group–II.

Group–I P. Khetri Q. Mosabani R. Malanjkhand S. Kalyadi

Group–II

Chlorite–biotite schist and soda–granite

Garnetiferous chlorite schist

Metachert

Tonalite–granodiorite–granite

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

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

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

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

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Which one of the following events represents the termination of the Wilson Cycle in Plate Tectonics?

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Ocean–continent subduction

Continent–continent collision

Continental rifting

Seafloor spreading

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The fraction of the incident electromagnetic energy reflected from a material is known as

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acuity

albedo

spectral hue

artifact

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Which of the following statements regarding ore deposits is/are CORRECT?

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Both replacement and exhalative ores are possible in SEDEX type deposits

Rampura–Agucha Pb–Zn deposit is a Mississippi Valley Type deposit

Orogenic gold deposit is an epigenetic type deposit

Fluid boiling in the early stage of magmatic crystallization is responsible for Cu–(Mo) deposits

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Which of the following sedimentary structures is/are found in intertidal deposits?

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Ladder-back ripple

Rain print

Double mud drape

Mud-crack

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Which of the following materials is/are used for estimation of hydrocarbon source rock maturation based on color?

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Conodont

Illite

Spore

Zircon

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Which of the following schist belts occur(s) to the east of the Closepet Granite in southern India?

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Shimoga

Kolar

Bababudan

Hutti

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The diagram given below shows phase relations between components P and Q at 1 bar pressure. If ‘X’ represents the initial liquid composition, which of the following statements is/are CORRECT during equilibrium crystallization?

Diagram for Geology and Geophysics question 60

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Initial liquid composition is 60 wt.% of P and 40 wt.% of Q

The composition of the solid in equilibrium with the liquid at ‘Y’ is 10 wt.% of P and 90 wt.% of Q

The bulk composition of the final solid product is 40 wt.% of P and 60 wt.% of Q

The proportion (on the basis of wt.%) of two phases, Mₛₛ : Nₛₛ is 1 : 2 at 750 °C

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GATE GG-1 purpose:exam-prep PYQs

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