Geography ยท Science General

Rocks and Earth Materials

1,176 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 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.

Multiple choice

What is the Mohs scale of mineral hardness?

  1. A scale used to measure the hardness of minerals, ranging from 1 (softest) to 10 (hardest).

  2. A scale used to measure the density of minerals, ranging from 1 (least dense) to 10 (most dense).

  3. A scale used to measure the cleavage of minerals, ranging from 1 (perfect cleavage) to 10 (no cleavage).
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Mohs scale of mineral hardness is a scale used to measure the hardness of minerals, ranging from 1 (softest) to 10 (hardest).

Multiple choice

What is the process by which mountains are formed?

  1. Folding

  2. Faulting

  3. Volcanism

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Folding, faulting, and volcanism are all processes by which mountains are formed.

Multiple choice

What is the term used to describe a planet that is composed primarily of rock and metal?

  1. Gas Giant

  2. Ice Giant

  3. Terrestrial Planet

  4. Dwarf Planet
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The term 'terrestrial planet' is used to describe a planet that is composed primarily of rock and metal, such as Earth.

Multiple choice

Which of the following is NOT a type of glacial deposit?

  1. Moraine

  2. Esker

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

A drumlin is not a type of glacial deposit. It is a hill or ridge of glacial till that is elongated in the direction of the ice flow.

Multiple choice

Which of the following is NOT a type of glacial till?

  1. Boulder clay

  2. Loess

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

Loess is not a type of glacial till. It is a type of wind-blown sediment that is composed of fine-grained particles.

Multiple choice

Which of the following is NOT a type of geothermal reservoir?

  1. Hydrothermal

  2. Geopressured

  3. Magma

  4. Dry steam
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Magma is not a type of geothermal reservoir because it is not a fluid.

Multiple choice

Which of the following is NOT a common mineral found in extraterrestrial bodies?

  1. Olivine

  2. Pyroxene

  3. Quartz

  4. Feldspar
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Quartz is a common mineral on Earth, but it is relatively rare in extraterrestrial bodies due to its high melting point.

Multiple choice

What is the molten rock beneath the Earth's surface called?

  1. Lava

  2. Magma

  3. Ash

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

Magma is the molten rock beneath the Earth's surface that can erupt onto the surface as lava.