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 cave is formed by the dissolution of limestone?

  1. Lava tube

  2. Sea cave

  3. Solutional cave

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

Solutional caves are formed when water dissolves soluble rock, such as limestone, over time.

Multiple choice

What is the term for a cave that is formed by the movement of lava?

  1. Lava tube

  2. Sea cave

  3. Solutional cave

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

Lava tubes are formed when molten lava flows through a tunnel and cools, leaving behind a cave-like structure.

Multiple choice

Which type of cave is formed by the action of glaciers?

  1. Lava tube

  2. Sea cave

  3. Solutional cave

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

Glacial caves are formed when glaciers erode and melt, creating cave-like structures.

Multiple choice

What is the term for a cave that is formed by the collapse of a sinkhole?

  1. Lava tube

  2. Sea cave

  3. Solutional cave

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

Sinkhole caves are formed when a sinkhole collapses, creating a cave-like structure.

Multiple choice

Which of the following is a common mineral found in asteroids?

  1. Olivine

  2. Pyroxene

  3. Feldspar

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

Olivine is a common mineral found in asteroids, particularly in stony asteroids. It is a silicate mineral composed of iron and magnesium.

Multiple choice

Which of the following is a type of asteroid that is rich in silica?

  1. S-type asteroid

  2. C-type asteroid

  3. M-type asteroid

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

S-type asteroids are known for their high silica content, primarily composed of silicate minerals.

Multiple choice

Which of the following is a common mineral found in comets?

  1. Pyroxene

  2. Olivine

  3. Feldspar

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

Pyroxene is a common mineral found in comets, particularly in their rocky cores. It is a silicate mineral composed of calcium, magnesium, and iron.

Multiple choice

What are the three main types of cave formations?

  1. Stalagmites, stalactites, and columns.

  2. Soda straws, helictites, and flowstone.

  3. Cave pearls, popcorn, and rimstone dams.

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

The three main types of cave formations are stalagmites, stalactites, and columns; soda straws, helictites, and flowstone; and cave pearls, popcorn, and rimstone dams.

Multiple choice

What is the term for the study of the composition and structure of the Earth's interior?

  1. Geology

  2. Geophysics

  3. Geochemistry

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

Geology is the study of the composition and structure of the Earth's interior. This includes the study of rocks, minerals, and fossils.

Multiple choice

What is the name of the volcanic rock formed by the rapid cooling of lava?

  1. Basalt

  2. Rhyolite

  3. Andesite

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

Basalt is a volcanic rock formed by the rapid cooling of lava, typically found in lava flows and volcanic cones.

Multiple choice

Which of the following is a type of volcanic eruption characterized by a sudden and violent release of gas and ash?

  1. Hawaiian

  2. Strombolian

  3. Vulcanian

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

Pelean eruptions are characterized by a sudden and violent release of gas and ash, often accompanied by pyroclastic flows and lahars.

Multiple choice

Which of the following is a type of volcanic eruption characterized by the emission of large volumes of low-viscosity lava?

  1. Hawaiian

  2. Strombolian

  3. Vulcanian

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

Hawaiian eruptions are characterized by the emission of large volumes of low-viscosity lava, typically forming lava flows and shield volcanoes.

Multiple choice

What is the name of the molten rock beneath the Earth's surface?

  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, which can erupt onto the surface as lava during volcanic eruptions.

Multiple choice

Which of the following is a type of volcanic eruption characterized by the emission of viscous lava and the formation of domes and spines?

  1. Hawaiian

  2. Strombolian

  3. Vulcanian

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

Pelean eruptions are characterized by the emission of viscous lava and the formation of domes and spines, often accompanied by pyroclastic flows and lahars.

Multiple choice

What is the name of the fragmental material ejected from a volcano during an eruption?

  1. Lava

  2. Magma

  3. Ash

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

Tephra is the fragmental material ejected from a volcano during an eruption, including ash, cinders, bombs, and blocks.