GATE GG-1 topic:geology PYQs & Answers — Page 54

Questions 531–540 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 54 of 65

Which one of the following periods has the longest time duration?

Your answerChoose one option.

Ordovician

Cretaceous

Jurassic

Silurian

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A siliciclastic sedimentary rock consisting predominantly of the same type of gravel-sized clasts is called

Your answerChoose one option.

Polymict conglomerate.

Arkose.

Oligomict conglomerate.

Petromict conglomerate.

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Brown coal that has high moisture content and commonly retains many of the original wood fragments is called

Your answerChoose one option.

Anthracite.

Bituminous coal.

Lignite.

Peat.

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The speed of revolution of the Earth around the Sun is

Your answerChoose one option.

maximum at Perihelion.

minimum at Perihelion.

maximum at Aphelion.

equal at Aphelion and Perihelion.

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The geometrical factor for the following electrode configuration is

Diagram for Geology and Geophysics question 5

Your answerChoose one option.

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Which one of the following geophysical methods uses the physical property ‘Dielectric Constant’?

Your answerChoose one option.

Gravity

Ground Penetrating Radar

Seismic

Self-Potential

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Pascal second is a unit of

Your answerChoose one option.

seepage force.

dynamic viscosity.

kinematic viscosity.

permeability.

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Which one of the following statements is CORRECT?

Your answerChoose one option.

Strength of a rock decreases with increase in confining pressure.

Strength of a rock increases with increase in temperature.

Strength of a rock increases with increase in strain rate.

Strength of a rock increases with increase in pore water pressure.

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The geomorphic feature ‘horns’ are formed by

Your answerChoose one option.

wind erosion.

river erosion.

wind deposition.

glacial erosion.

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A melanocratic porphyric rock containing phenocrysts of biotite, with feldspar restricted to the groundmass, is called

Your answerChoose one option.

trachyte.

dacite.

andesite.

lamprophyre.

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GATE GG-1 topic:geology PYQs

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