Geology Questions and Answers

Geology Multiple Choice Questions (MCQs) Test with Answers.

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1. Increasing temperature with depth in the earth is called:

(A) Thermacline
(B) Thermometric inclination
(C) Geothermal gradient
(D) None of these

Answer: (C) Geothermal gradient
Increasing temperature with depth in the earth is called geothermal gradient.

2. Isostasy concerns with the outer layer of earth:

(A) Imposition of load
(B) Removal of load
(C) Both A and B
(D) None of these

Answer: (C) Both A and B

3. When a conglomerate contain particles that are sharp and angular, geologists call it:

(A) An arkose
(B) A quartz arenite
(C) A coquina
(D) A breccia

Answer: D) A breccia
When a conglomerate contain particles that are sharp and angular, geologists call it a breccia.

4. what type of rock makes up the greatest portion of the volume of the continental crust:

(A) Gabbro
(B) Granite
(C) Limestone
(D) None of these

Answer: (B) Granite
Granite rock makes up the greatest portion of the volume of the continental crust.

5. All the deep earthquakes in the world are associated with:

(A) mentle plumes
(B) spreading centers
(C) subduction zone
(D) ocean trenches

Answer: (C) subduction zone
All the deep earthquakes in the world are associated with subduction zone.

Geology Multiple Choice Questions 6 to 10