GATE GG-1 year:2017 PYQs & Answers — Page 5

Questions 41–50 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 5 of 7

Match the following classical ore deposits (Group-I) with their associated ore minerals (Group-II)

Group-I P. Sudbury type deposit Q. Mississippi valley type deposit R. Climax type deposit S. IOCG type deposit

Group-II

Molybdenite

Uraninite and chalcopyrite

Pentlandite

Psilomelane

Sphalerite and Galena

Your answerChoose one option.

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

P-3; Q-5; R-1; S-2

P-5; Q-2; R-4; S-1

P-3; Q-5; R-2; S-4

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Which one of the following microfossils is commonly used in biostratigraphic correlation of Palaeozoic marine strata?

Your answerChoose one option.

Angiosperm pollen

Diatoms

Dinoflagellates

Chitinozoans

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Given below are pairs of “living fossils”. Which one of the following is a brachiopod-mollusc pair?

Your answerChoose one option.

Lingula, Nautilus

Ginkgo, Metasequoia

Syntexis, Notiothuama

Coelacanths, Sikhotelina

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Match the sedimentary rocks and their features listed in Group I with depositional environments listed in Group II.

Group I (P) Sandstone with herring-bone cross bedding (Q) Chalk with coccolith (R) Well sorted arenite with large cross bedding (5-10 m thick) (S) Poorly sorted sediments with faceted and striated pebbles

Group II (1) Eolian (2) Glacial (3) Sabkha (4) Tidal (5) Pelagic

Your answerChoose one option.

P-2, Q-1, R-4, S-5

P-4, Q-5, R-1, S-2

P-4, Q-1, R-2, S-5

P-5, Q-1, R-2, S-3

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Arrange the following stratigraphic formations sequentially from older to younger.

(P) Jodhpur Sandstone (Q) Cambay Shale (R) Kajrahat Limestone (S) Tipam Sandstone

Your answerChoose one option.

P, R, Q, S

R, Q, P, S

P, S, R, Q

R, P, Q, S

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2 g air dried coal contains 0.2 g moisture, 0.3 g ash and 0.5 g volatile matter. The volatile matter content in the coal in dry mineral matter free (d.m.f) basis is __________ %. (mineral matter content = 1.1×ash content)

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The approximate temperature for ‘oil window’ ranges from

Your answerChoose one option.

30°C to 50°C

60°C to 160°C

180°C to 250°C

260°C to 350°C

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Which one of the following biopolymers is the major source of liquid hydrocarbons?

Your answerChoose one option.

Lignin

Proteins

Lipids

Carbohydrates

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The hydraulic conductivity (K) of an isotropic aquifer is 10 m/day. If the hydraulic head within the aquifer drops 4 m over a distance of 750 m, the groundwater flow velocity within the aquifer is __________ m/day. (Up to third decimal place)

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Drainage network of a watershed ordered as per the Strahler method is given below. Maximum observed bifurcation ratio for the given network is __________.

Diagram for Geology and Geophysics question 50

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GATE GG-1 year:2017 PYQs

Question 41

Question 42

Question 43

Question 44

Question 45

Question 46

Question 47

Question 48

Question 49

Question 50