GATE GG-1 format:msq PYQs & Answers — Page 4

Questions 31–40 of 73. Imported answers require independent review unless marked reviewed.

Topic practice 73 questionsPage 4 of 8

Which characteristic feature(s) best explain(s) the HIMU mantle reservoir?

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

Magmas derived from this reservoir have high

and

Magmas derived from this reservoir have high

and

This reservoir has evolved with high Th/U

This reservoir has evolved with high U/Pb

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Choose the correct option(s) related to tectonic settings and associated rock types.

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Tholeiitic basalts and alkali basalts are both associated with mid-oceanic ridges

Andesites are commonly found in convergent plate boundaries

Tholeiitic basalts and alkali basalts can both be associated with plume-related volcanism

Volcanic rocks from subduction zones have high volatile content

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Which of the following options is/are correct for movement of warm-base glaciers?

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Movement is dominated by basal sliding

Internal deformation involving slippage within and between ice crystals leads to glacial movement

Internal deformation is governed by shear stress following Power Law

Vertical profile of glacier flow velocity is maximum at the base and decreases upwards

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Choose the correct option(s) that describe(s) the properties of clay minerals.

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Kaolinite is two-layered

Illite is two-layered

Montmorillonite is two-layered

Montmorillonite swells in contact with water

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Which of the following statements is/are correct for electromagnetic (EM) radiation?

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At room temperature, natural objects emit EM radiation

Blackbody radiation is proportional to square of the absolute temperature of the body

Wien’s displacement law provides the dominant wavelength of EM emission

EM energy decreases with increase in wavelength

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Which of the following options can be linked to rise in CO₂ concentration in the atmosphere?

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Rise in seawater pH and sea surface temperature

Decrease in seawater pH and increase in bicarbonate ion concentration in seawater

Warming of surface ocean water and decrease in bicarbonate ion concentration in seawater

Decrease in seawater pH and decrease in bicarbonate ion concentration in seawater

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Which of the following hydrocarbon fields is/are located in the western offshore of India?

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Tapti

Lakva

Ravva

Panna

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

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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?

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Olivine

Quartz

Diopside

Albite

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

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Antiform

Horst

Syncline

Synform

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GATE GG-1 format:msq PYQs

Question 54

Question 55

Question 56

Question 57

Question 58

Question 59

Question 16

Question 21

Question 22

Question 23