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

What is the primary source rock for most of the world's petroleum?

  1. Limestone

  2. Sandstone

  3. Shale

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

Shale, a fine-grained sedimentary rock, is the primary source rock for most of the world's petroleum. It contains organic matter that, under high pressure and temperature, transforms into hydrocarbons.

Multiple choice

What type of rock commonly acts as a reservoir rock for petroleum?

  1. Igneous

  2. Metamorphic

  3. Sedimentary

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

Sedimentary rocks, such as sandstone and limestone, commonly act as reservoir rocks for petroleum. They have high porosity and permeability, allowing for the storage and flow of hydrocarbons.

Multiple choice

What is the term for the study of rocks and their composition?

  1. Petrology

  2. Geochemistry

  3. Geophysics

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

Petrology is the study of rocks and their composition. It involves analyzing the mineralogical, chemical, and physical properties of rocks to understand their origin, formation, and significance in petroleum geology.

Multiple choice

The Lonar Crater in Maharashtra is a unique geological formation created by a meteorite impact. What is the primary mineral found in the crater?

  1. Basalt

  2. Limestone

  3. Granite

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

The Lonar Crater is known for its abundance of basaltic glass, a volcanic rock formed when lava cools rapidly.

Multiple choice

Which of the following is NOT a type of environmental geology resource?

  1. Minerals

  2. Water

  3. Soil

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

Fossil fuels are not environmental geology resources. They are non-renewable resources that are formed from the remains of ancient plants and animals.

Multiple choice

What is the term used to describe the study of the chemical composition of meteorites?

  1. Cosmochemistry

  2. Astrobiology

  3. Geochemistry

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

Cosmochemistry is the study of the chemical composition of meteorites and other extraterrestrial materials, providing insights into the origin and evolution of the solar system.

Multiple choice

What is the term used to describe the study of the chemical processes occurring in planetary interiors?

  1. Geochemistry

  2. Planetary Science

  3. Mineralogy

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

Geochemistry is the study of the chemical composition and processes occurring in planetary interiors, including the formation and evolution of rocks and minerals.

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.