GATE GG-1 format:mcq PYQs & Answers — Page 27

Questions 261–270 of 422. Imported answers require independent review unless marked reviewed.

The figure below represents an isobaric binary liquidus phase diagram, with the solid phases A, B and C. What are the degrees of freedom associated with equilibrium phase assemblages represented by the bulk compositions

and

, in the fields indicated in the figure?

Diagram for Geology and Geophysics question 9

Your answerChoose one option.

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Match the basins (Group I) with the corresponding stratigraphic units (Group II).

Group I: P. Cuddapah; Q. Chattisgarh; R. Kaladgi-Badami; S. Vindhyan

Group II: 1. Ker Formation; 2. Dhandraul Quartzite; 3. Bairenkonda Quartzite; 4. Gunderdehi Formation

Your answerChoose one option.

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

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

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

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

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In the metamorphic reaction Quartz + Muscovite = X + Sillimanite + Water, ‘X’ represents

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Garnet

Staurolite

Orthoclase

Cordierite

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The talc-kyanite assemblage can stabilize in

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greenschist facies marly rocks

amphibolite facies mafic rocks

eclogite facies pelitic rocks

sanidinite facies ultramafic rocks

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Which one of the following statements about igneous rocks is CORRECT?

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Tholeiitic and calc-alkaline rocks are both alkaline in nature.

Tholeiitic rocks are subalkaline, but calc-alkaline rocks are alkaline in nature.

Tholeiitic rocks are alkaline, but calc-alkaline rocks are subalkaline in nature.

Tholeiitic and calc-alkaline rocks are both subalkaline in nature.

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Based on the three statements given below, choose the CORRECT option.

Statement I: Barchans are crescent-shaped dunes that close in the downwind direction.

Statement II: Parabolic dunes are U-shaped dunes that close in the downwind direction.

Statement III: Barchanoid dunes are sinuous transverse ridges, the crestline sinuosity of successive bedforms are either in-phase or out-phase.

Your answerChoose one option.

All the statements are correct

Statement I is correct, but statements II and III are incorrect

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

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

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Based on the three statements given below, choose the CORRECT option.

Statement I: Barapasaurus is known from the Jurassic Kota Formation.

Statement II: Morganucodon is known from the Tatrot Formation.

Statement III: Lystrosaurus is known from the Lameta Formation.

Your answerChoose one option.

All the three statements are correct

Statement I is correct but statements II and III are incorrect

Statements I and II are correct but statement III is incorrect

Statements II and III are correct but statement I is incorrect

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Which one of the following assembles of plant fossils is known from the Barakar Formation?

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Glossopteris, Gangamopteris, Dicroidium

Glossopteris, Gangamopteris, Noeggerathiopsis

Glossopteris, Gangamopteris, Ptilophyllum

Schizoneura, Noeggerathiopsis, Ptilophyllum

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Match the features (Group I) with the corresponding invertebrate genera (Group II).

Group I: P. Cardinal Formula; Q. Chondrophore; R. Lophophore; S. Glabella

Group II: 1. Calymene; 2. Rhynchonella; 3. Zaphrenis; 4. Mya

Your answerChoose one option.

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

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

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

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

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If the orthogonal thickness is constant along a folded layer, as per Ramsay’s morphological classification of folds, it is a

Your answerChoose one option.

Class 1A fold

Class 1B fold

Class 2 fold

Class 3 fold

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GATE GG-1 format:mcq PYQs

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