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

The Western Ghats, a prominent mountain range in India, are primarily composed of which type of rock?

  1. Granite

  2. Basalt

  3. Sandstone

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

The Western Ghats are predominantly composed of granite, a hard and durable igneous rock.

Multiple choice

Which of the following is not a type of rock?

  1. Igneous rock

  2. Sedimentary rock

  3. Metamorphic rock

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

Fossil is a type of preserved remains or traces of animals, plants, and other organisms from the past.

Multiple choice

What is the primary role of lichens in the rock cycle?

  1. Weathering of rocks

  2. Formation of rocks

  3. Erosion of rocks

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lichens play a crucial role in the rock cycle by weathering rocks through the release of organic acids and other compounds. This process helps break down rocks into smaller particles, making them more susceptible to erosion and further weathering.

Multiple choice

Which type of island is formed when sediment, coral, or other organic material accumulates on top of an underwater feature?

  1. Continental Island

  2. Volcanic Island

  3. Barrier Island

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

Barrier islands are formed by the accumulation of sediment, coral, or other organic material on top of an underwater feature, typically parallel to the coastline.

Multiple choice

What is the primary geological formation used for storing CO2 in CCS projects?

  1. Aquifers

  2. Depleted oil and gas reservoirs

  3. Basalt formations

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

Depleted oil and gas reservoirs are commonly used for storing CO2 in CCS projects because they have existing infrastructure and geological characteristics suitable for long-term storage.

Multiple choice

Which of the following is NOT a common type of reservoir rock?

  1. Sandstone

  2. Limestone

  3. Shale

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

Granite is an igneous rock, while sandstone, limestone, and shale are sedimentary rocks. Sedimentary rocks are more commonly associated with petroleum reservoirs.

Multiple choice

What is the primary component of a comet's nucleus?

  1. Rock

  2. Ice

  3. Gas

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

The nucleus of a comet is primarily composed of ice, such as water ice, carbon dioxide ice, and methane ice.

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

What is the term for a ring that features a large, prominent gemstone?

  1. Solitaire ring

  2. Cluster ring

  3. Halo ring

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

Cocktail rings are known for their large, statement-making gemstones and are often worn for special occasions.