Geography ยท Science General

Rocks and Earth Materials

1,291 Questions

Study geographical questions centered around rocks, minerals, and earth materials. The focus is on the formation and identification of igneous, sedimentary, and metamorphic rocks. These earth science topics are commonly tested in civil services and state level examinations.

Igneous rocksSedimentary rocksMetamorphic processEarth materialsGeomorphic symbols

Rocks and Earth Materials Questions

Multiple choice

Which type of rock is formed from the cooling and solidification of molten rock?

  1. Sedimentary

  2. Igneous

  3. Metamorphic

  4. Hydrothermal
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Igneous rocks are formed from the cooling and solidification of molten rock, either above or below the Earth's surface.

Multiple choice

Which type of rock is formed from the alteration of existing rocks by hydrothermal fluids?

  1. Sedimentary

  2. Igneous

  3. Metamorphic

  4. Hydrothermal
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hydrothermal rocks are formed from the alteration of existing rocks by hydrothermal fluids, often associated with volcanic activity.

Multiple choice

Which type of rock is formed from the accumulation and compaction of volcanic ash and fragments?

  1. Sedimentary

  2. Igneous

  3. Metamorphic

  4. Pyroclastic
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pyroclastic rocks are formed from the accumulation and compaction of volcanic ash and fragments, ejected during volcanic eruptions.

Multiple choice

Which type of rock is formed from the accumulation and compaction of organic matter, such as plant remains?

  1. Sedimentary

  2. Igneous

  3. Metamorphic

  4. Organic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sedimentary rocks are formed from the accumulation and compaction of sediments, including organic matter such as plant remains.

Multiple choice

What is the term used to describe a distinctive layer of rock that can be traced over a wide area and is used for correlation?

  1. Formation

  2. Stratum

  3. Bed

  4. Marker Bed
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A marker bed is a distinctive layer of rock that can be traced over a wide area and is used for correlation, helping geologists to identify and compare rock sequences in different locations.

Multiple choice

Which type of rock is formed from the accumulation and compaction of sand and gravel?

  1. Sedimentary

  2. Igneous

  3. Metamorphic

  4. Clastic
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sedimentary rocks are formed from the accumulation and compaction of sediments, including sand and gravel.

Multiple choice

Which of the following is NOT a common type of mineral deposit?

  1. Vein deposits

  2. Massive sulfide deposits

  3. Sedimentary deposits

  4. Igneous deposits
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Igneous deposits are not a common type of mineral deposit, as minerals are typically formed through processes related to sedimentary or metamorphic processes.

Multiple choice

What is the most abundant rock type on Earth's surface?

  1. Igneous

  2. Sedimentary

  3. Metamorphic
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sedimentary rocks are formed from the accumulation and compaction of sediments, such as sand, mud, and organic matter.

Multiple choice

Which of the following is an example of an igneous rock?

  1. Granite

  2. Sandstone

  3. Limestone
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Granite is an igneous rock that is formed from the cooling and solidification of magma or lava.

Multiple choice

Which of the following is an example of a metamorphic rock?

  1. Slate

  2. Marble

  3. Quartzite
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Slate, marble, and quartzite are all examples of metamorphic rocks, which are formed when existing rocks are subjected to high temperatures and pressures.

Multiple choice

Which of the following is an example of a silicate mineral?

  1. Quartz

  2. Feldspar

  3. Olivine
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Quartz, feldspar, and olivine are all examples of silicate minerals, which are the most abundant type of mineral in the Earth's crust.

Multiple choice

What is the most common type of igneous rock?

  1. Basalt

  2. Granite

  3. Rhyolite
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Basalt is the most common type of igneous rock, and it is formed from the cooling and solidification of lava.

Multiple choice

Which of the following is an example of a sedimentary rock that is formed from the accumulation of organic matter?

  1. Coal

  2. Limestone

  3. Sandstone
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Coal is a sedimentary rock that is formed from the accumulation and compaction of organic matter, such as plants and animals.

Multiple choice

Which of the following is an example of a metamorphic rock that is formed from the metamorphism of limestone?

  1. Slate

  2. Marble

  3. Quartzite
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marble is a metamorphic rock that is formed from the metamorphism of limestone, and it is characterized by its distinctive white or colored appearance.

Multiple choice

Which of the following is an example of a non-foliated metamorphic rock?

  1. Slate

  2. Marble

  3. Quartzite
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Quartzite is an example of a non-foliated metamorphic rock, and it is formed from the metamorphism of sandstone.