GATE GG-1 year:2021 PYQs & Answers — Page 4

Questions 31–40 of 65. Imported answers require independent review unless marked reviewed.

The water table in an unconfined aquifer at a place near the coast is 1 m above the Mean Sea Level. Given the densities of fresh and saline water as 1.001 and 1.025 g/cc, respectively, the fresh-saline water interface at the same location should be at a depth of ______ m from the water table. [round off to one decimal place]

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The volume percentage of galena and quartz in an ore body of Pb are 90 and 10, respectively. The densities of galena and quartz are 7.6 and 2.65 g/cc, respectively. The grade of the ore body in terms of weight percent of Pb is _____. (Atomic weights of Pb = 206 and S = 32) [round off to 2 decimal places]

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Normal moveout (NMO) for reflected phase of seismic data is 2 milliseconds. Consider the diffraction source at the edge of the same reflector, where the shot point is directly above diffraction source. In this case, the NMO due to diffraction is ______ milliseconds [in integer].

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

In a 2D seismic survey, first receiver location is at (1000 m, 400 m), second receiver location is at (2000 m, 400 m) and the source location is at (2000 m, 1000 m). Consider P-wave velocity as 5000 m/sec. The difference in first arrival time of P-wave phase for the two receivers is ______ seconds. [round off to 2 decimal places].

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The potential difference measured between potential electrodes using Wenner array is 500 mV when a current of 2 A is passed through the subsurface between current electrodes. If the computed apparent resistivity is 100 Ωm then the distance between the current electrodes will be ______ m. [round off to 2 decimal places] (Use π = 3.14)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following statements is CORRECT?

Your answerChoose one option.

Taphonomy refers to the study of fossilization pathways from death of an organism to its recovery as a fossil.

Biostratinomy refers to the study of fossilization pathways from burial of an organism under sediments to its recovery as a fossil.

Biostratinomy is an integral component of biostratigraphy and refers to the characterization of strata based on fossil content.

Taphonomy refers to the study of fossilization pathways from death of an organism to its burial under the sediments.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Statement I: Gunderdehi Formation is a stratigraphic unit of the Chhattisgarh Supergroup.

Statement II: Raniganj Formation is a coal-bearing Triassic unit of the Gondwana Supergroup.

Statement III: Itepani Volcanics is a stratigraphic unit of the Dongargarh Supergroup.

Your answerChoose one option.

All the statements are correct

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

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

Statements II and III are correct but statement I is incorrect

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Which one of the following equid genera was a one-toed grazer?

Your answerChoose one option.

Merychippus

Parahippus

Pliohippus

Mesohippus

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the following invertebrate genera in Group I with their corresponding Class/Phylum in Group II:

Group I: P. Mytilus Q. Planorbis R. Productus S. Acanthoceras

Group II:

Brachiopoda

Cephalopoda

Gastropoda

Pelecypoda

Your answerChoose one option.

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

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

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

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Tillite with faceted boulders and green shale with dropstones characterize the lithology of:

Your answerChoose one option.

Lameta Formation

Bagha Formation

Talchir Formation

Panchet Formation

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE GG-1 year:2021 PYQs

Question 21

Question 22

Question 23

Question 24

Question 25

Question 26

Question 27

Question 28

Question 29

Question 30