Mineralogy and Petrology MCQs Questions & Answers

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Learn and practice multiple-choice questions (MCQs) with answers related to Mineralogy and Petrology. These resources are available for Geological engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mineralogy and Petrology chapter is particularly important for students studying Geological engineering. Page-3 section-1

Which mineral is commonly used in making plaster of Paris?

A) Kaolinite B) Gypsum C) Calcite D) Bauxite

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What type of rock is formed when magma solidifies beneath the Earth's surface?

A) Extrusive igneous B) Intrusive igneous C) Clastic sedimentary D) Foliated metamorphic

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which mineral is composed of iron and oxygen?

A) Calcite B) Hematite C) Biotite D) Galena

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which rock is a metamorphosed form of limestone?

A) Gneiss B) Schist C) Quartzite D) Marble

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Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which igneous rock is composed mainly of plagioclase and pyroxene?

A) Granite B) Basalt C) Rhyolite D) Andesite

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What does a vitreous luster look like?

A) Dull B) Metallic C) Glassy D) Earthy

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the streak color of hematite?

A) Yellow B) Red-brown C) White D) Gray

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is cleavage in minerals?

A) Shape of mineral B) Color of streak C) Way a mineral breaks along planes D) Specific gravity

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which mineral commonly forms hexagonal crystals?

A) Quartz B) Talc C) Feldspar D) Gypsum

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

What is the dominant component of Earth's continental crust?

A) Basalt B) Peridotite C) Granite D) Obsidian

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Mineralogy and Petrology MCQs Questions & Answers | Geological Engineering