Which amongst the following planets has the highest number of known satellites ?
A
Mars
B
Uranus
C
Venus
D
Mercury
Question 2Single Answer
S-wave is terminated at:
A
Crust-Mantle boundary
B
Lithosphere-Asthenosphere boundary
C
Mantle-Core boundary
D
Inner and Outer core boundary
Question 3Single Answer
Arrange the elements Fe, O, H, He, Si in decreasing order of their abundance in the solar system.
A
H > He > O > Si > Fe
B
He > H > Si > O > Fe
C
H > He > O > Fe > Si
D
Si > Fe > H > He > O
Question 4Single Answer
In the given figure (i),(ii),(iii) and (iv) denote the plate tectonic settings: Mid Oceanic Ridge (M), Island Arc (I), Continental Arc C. and Rift Zone (R).Which one of the following options is correctly matched ?
A
(i) - M, (ii) - I, (iii) - C, (iv) - R
B
(i) - R, (ii) - I, (iii) - M, (iv) - C
C
(i) - I, (ii) - R, (iii) - M, (iv) - C
D
(i) - I, (ii) - M, (iii) - C, (iv) - R
Question 5Single Answer
The mechanism of plate movement is thought to be driven by :
A
Isostasy
B
Earth's rotation
C
Thermal convection cells
D
Polar wandering
Question 6Single Answer
Hawaii island has its origin from:
A
Subducting plate
B
Plume
C
Plate collision
D
All of the above
Question 7Single Answer
Most abundant element in the earth crust is:
A
Oxygen
B
Silicon
C
Aluminium
D
Iron
Question 8Single Answer
Instrument for recording earthquake wave is called :
A
Seismograph
B
Seismograme
C
Seismometer
D
Scintillometer
Question 9Single Answer
The cosmic ray intensity is minimum at the magnetic :
A
Equator
B
North pole
C
South pole
D
Tropic of cancer
Question 10Single Answer
What power the Earth's internal heat engine ?
A
Solar energy
B
Ocean tides
C
Volcanoes
D
Radioactivity
Question 11Single Answer
Oxygen built up in the Earth's atmosphere is caused by :
A
Formation of ocean in early history of Earth
B
Algae and other organisms employed photosynthesis
C
Oxygen settled on Earth from planets further from the sun
D
Rocks weathered and released their oxygen.
Question 12Single Answer
Increased concentration of which of the following may cause maximum global warming ?
A
Oxygen
B
Nitrogen
C
Carbon dioxide
D
Water vapour
Question 13Single Answer
Global warming may lead to increased sea level as a result of :
A
Melting of ice-caps
B
Thermal expansion of sea water
C
Both A and B
D
Isostatic rebound
Question 14Single Answer
Three major orbit ally forced cyclicties (-100 kyr,-40 kyr,-22 kyr) in the climatic changes on Earth are termed as :
A
Milankovitch cycle
B
Turner cycle
C
Glieesberg cycle
D
Wilson cycle
Question 15Single Answer
Ozone layer in Earth's atmosphere, is confined to:
A
Troposphere
B
Stratosphere
C
Mesosphere
D
Thermosphere
Question 16Single Answer
The most abundant element in the Earth's crust is :
A
Aluminium
B
Oxygen
C
Iron
D
Carbon
Question 17Single Answer
The internal structure of the Earth down up to the core, has been explored with the help of :
A
P-waves
B
S-waves
C
Both P- and S-waves
D
Drilling
Question 18Single Answer
We get Lehmann discontinuity at an approximate depth of :
A
100 km
B
750 km
C
450 km
D
220 km
Question 19Single Answer
Maximum damage in the event of an earth-quake is cause by :
A
P-waves
B
S-waves
C
L-waves
D
All of the above
Question 20Single Answer
A negative gravity anomaly indicates :
A
An excess of mass
B
A deficiency in mass
C
A reversal of the gravitational field
D
None of these
Question 21Single Answer
To qualify as a desert, a region must be :
A
Hot, with a mean annual temperature greater than 25°C (77°F)
B
Arid, with less than 15% of the ground surface vegetated
C
Both hot and arid
D
Either hot or arid
Question 22Single Answer
At 300 north latitude, at the northern edge of tropical (Hadley) cell, convection takes place because :
A
Cool, dry air sinks, becoming drier as it heats up
B
Warm, moist air rises, increasing in relative humidity as it rises
C
Warm, dry air rises, becoming cooler
D
Cool moist air sinks, providing abundant rainfall
Question 23Single Answer
The Gobi of Mongolia is a desert primarily because it is located :
A
In the subtropics
B
Near the geographic South Pole
C
Near the center of a large continent
D
Next to a cold ocean current
Question 24Single Answer
In atmosphere radio wave occur in :
A
Troposphere
B
Stratosphere
C
Mesosphere
D
Ionosphere
Question 25Single Answer
The process by which an originally homogeneous Earth developed a dense core and a light crust is called :
A
Metamorphism
B
Differentiation
C
Accretion
D
Compression
Question 26Single Answer
The Gutenberg discontinuity lies between :
A
Crust and mantle
B
Lithosphere and asthenosphere
C
Outer core a and lower mantle
D
Inner core and outer core
Question 27Single Answer
Airy's model of isostasy :
A
Requires mountains to have higher density than the oceanic crust
B
Requires mountains to have lower density than the oceanic crust
C
Requires mountains to have the same density as oceanic crust
D
Does NOT consider the densities of mountain and oceanic crust
Question 28Single Answer
Himalaya is a product of :
A
Continent-arc collision
B
Continent-continent collision
C
Arc-arc collision
D
Continent-arc-continent collision
Question 29Single Answer
The oldest rocks in the present ocean floor have age in range :
A
4.0-4.6 billion years
B
2.0-2.5 billion years
C
185-200 million years
D
60-65 million years
Question 30Single Answer
The type of plate boundary associated with deep focus earthquake ?
A
Divergent
B
Convergent
C
Transverse
D
Both A. & B.
Question 31Single Answer
The most abundant element in the universe is :
A
Silicon
B
Helium
C
Oxygen
D
Hydrogen
Question 32Single Answer
What is the age of ocean floor ?
A
0-200 m.y.
B
0-500 m.y.
C
0-1000 m.y.
D
0-3500 m.y.
Question 33Single Answer
New seafloor created at a :
A
Deep sea trench
B
Mid-oceanic ridge
C
Subduction zone
D
Transform fault
Question 34Single Answer
By the plate tectonic processes, magma generation is highest in the following tectonic setting :
A
Convergent plate boundary
B
Continental intra-plate region
C
Oceanic intra-plate region
D
Oceanic ridges
Question 35Single Answer
Which of the following is a living fossil ?
A
Arca
B
Cardita
C
Lingula
D
Trigonia
Question 36Single Answer
Which one of the following features is NOT associated with an oceanic subduction ?
A
Sea-mount
B
Benioff zone
C
Back-arc
D
Fore-arc
Question 37Single Answer
The term isostasy refers to :
A
Gravitational equilibrium
B
Thermal equilibrium
C
Magnetic equilibrium
D
Electrical equilibrium
Question 38Single Answer
Deep sea trenches are associated with plate boundary :
A
Convergent
B
Divergent
C
Translational
D
Neutral
Question 39Single Answer
What drive(s) the earth's internal heat engine ?
A
Radioactivity
B
Solar energy
C
Volcanism
D
Ocean tides
Question 40Single Answer
Specimen of a species from the same locality as its holotype is called
A
Neotype
B
Metatype
C
Paratype
D
Topotype
Question 41Single Answer
A deep valley forms where two plates pull apart :
A
Fault
B
Pangea
C
Mantle
D
Rift valley
Question 42Single Answer
Mountain chain within water is :
A
Trench
B
Mid-oceanic ridge
C
Volcanic island
D
Reefs
Question 43Single Answer
A boundary where plates slide past each other in opposite directions is termed as :
A
Transform boundary
B
Tensional zone
C
Diverse boundary
D
Converging boundary
Question 44Single Answer
Wadati-Benioff zone indicates :
A
Shallow earthquake
B
Intermediate earthquake
C
Technical stable zone
D
Deep focus earthquake
Question 45Single Answer
The first wave recorded on seismograph is :
A
P-wave
B
S-wave
C
P- and S-wave
D
L-wave
Question 46Single Answer
The average radius of the earth is :
A
6378 km
B
637.1 km
C
6372 km
D
6271 km
Question 47Single Answer
'Sima' is a part of :
A
Quter core
B
Crust
C
Upper mantle
D
Lower mantle
Question 48Single Answer
The instrument used for recording seismic waves is :
A
Thermometer
B
Seismograph
C
Barometer
D
Seismogram
Question 49Single Answer
The 'Nebular Hypothesis' was proposed by :
A
Kant
B
Laplace
C
Kant and Laplace
D
Moulten and Chamberlin
Question 50Single Answer
Himalaya is :
A
Paleozoic tectonic mountain
B
Recent folded mountain
C
Collisional mountain
D
Indian mountain
Important Questions Package
UPSC Combined Geo Scientist Exam Online Question Bank Package
Buy UPSC Combined Geo Scientist Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in UPSC Combined Geo Scientist question bank 2026 in Online, PDF & Print study material.
+ Free Monthly Current Affairs, GK & more PDF Download
Sr.
Package Name
Amount
1.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - Hindi
Description : 3000 Question with Answer.
₹181[₹500]
2.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - Hindi
Description : 2000 Question with Answer.
₹151[₹500]
3.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - Hindi
Description : 1000 Question with Answer.
₹101[₹500]
4.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - English
Description : 3000 Question with Answer.
₹181[₹500]
5.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - English
Description : 2000 Question with Answer.
₹151[₹500]
6.
UPSC Combined Geo Scientist Prelims Exam (Geology, Geophysicist, Chemist) Paper I - English
Description : 1000 Question with Answer.
₹101[₹500]
7.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - Hindi
Description : 2300 Question with Answer.
₹151[₹500]
8.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - Hindi
Description : 1000 Question with Answer.
₹101[₹500]
9.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - English
Description : 2000 Question with Answer.
₹151[₹500]
10.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - English
Description : 3000 Question with Answer.
₹181[₹500]
11.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - English
Description : 1000 Question with Answer.
₹101[₹500]
12.
UPSC Combined Geo Scientist Preliminary Exam (Chemist) Paper II - Hindi
Description : 3000 Question with Answer.
₹181[₹500]
13.
UPSC Combined Geo Scientist Preliminary Exam (Chemist) Paper II - Hindi
Description : 2000 Question with Answer.
₹151[₹500]
14.
UPSC Combined Geo Scientist Preliminary Exam (Chemist) Paper II - Hindi
Description : 1000 Question with Answer.
₹101[₹500]
15.
UPSC Combined Geo Scientist Preliminary Exam (Chemist) Paper II - English
Description : 1750 Question with Answer.
₹131[₹500]
16.
UPSC Combined Geo Scientist Preliminary Exam (Chemist) Paper II - English
Description : 1000 Question with Answer.
₹101[₹500]
17.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II - English (Old)
Description : 1000 Question with Answer
₹101[₹500]
18.
UPSC Combined Geo Scientist Preliminary Exam (Geology) Paper II Question Bank Book - English (Old)
Description : 1000 Question with Answer (Printed Material)
₹390[₹600]
Geology
Question 51Single Answer
The Gutenberg discontinuity separates :
A
Crust and upper mantle
B
Lower to upper mantle
C
Outer and inner core
D
Outer core and lower mantle
Question 52Single Answer
Volcanic Island is associated with :
A
Ocean-continent convergence
B
Divergent boundaries
C
Transform boundary
D
Ocean-ocean convergence
Question 53Single Answer
'Conorad discontinuity' lies between :
A
Crust and mantle
B
Sial and sima
C
Sima and mantle
D
Mantle and core
Question 54Single Answer
The mean density of Earth is about :
A
2650 kg m-3
B
2750 kg m-3
C
4400 kg m-3
D
5500 kg m-3
Question 55Single Answer
Match the scale in Group I with corresponding parameter in Group II .
Group I Group II
P. Richter scale 1. Earthquake damage
Q. Mercalli scale 2. Hardness
R. Moh's scale 3. Particle size
S. Udden-Went-worth scale 4. Earthquake magnitude
A
P-1, Q-4, R-2, S-3
B
P-4, Q-1, R-2, S-3
C
P-3, Q-4, R-2, S-1
D
P-4, Q-3, R-2, S-1
Question 56Single Answer
'Wadati-Benioff zone' is well known for :
A
Deep focus earthquake
B
Shallow focus earthquake
C
Intermediate focus earthquake
D
Tectonically stable zone
Question 57Single Answer
In internal structure of earth, the outer core is composed of :
A
Solid material
B
Gases
C
Liquid only
D
All of these
Question 58Single Answer
Shear waves passes through :
A
Liquid only
B
Solid only
C
Gas only
D
All of these
Question 59Single Answer
Asteroids are minor planetary bodies located between :
A
Earth and Mars
B
Jupiter and Saturn
C
Mars and Jupiter
D
Mercury and Venus
Question 60Single Answer
Which one of the following options does correctly represent the elements in order of decreasing abundance in the Earth's crust ?
A
Fe > Si > O > Al
B
O > Si > Al > Fe
C
Si > O > Al > Fe
D
Si > Al > Fe > O
Question 61Single Answer
The average density of the earth is :
A
4.5 gm/cm3
B
5.5 gm/cm3
C
6.5 gm/cm3
D
7.5 gm/cm3
Question 62Single Answer
Volcanic activity is usually absent along :
A
Divergent plate boundaries
B
Convergent plate boundaries
C
Transform faults
D
All of the above
Question 63Single Answer
What can be expected at a depth of about 35 km inside the earth ?
A
Inner mantle
B
Inner core
C
Mohorovicic discontinuity
D
Gutenberg discontinuity
Question 64Single Answer
Sial is also known as :
A
Part of core
B
Lower continental crust
C
Mantle
D
Upper continental crust
Question 65Single Answer
Match the tectonic units listed in Group 1 with their geographical locations in Group 2 .
Group-1 Group-2
P. Continent-oceanic lithosphere convergence 1. Himalayas
Q. Continent-continent collision 2. Andes
R. Continental rift system 3. Japanese island
S. Oceanic-oceanic lithosphere convergence 4. East Africa
A
P-2, Q-1, R-4, S-3
B
P-2, Q-3, R-4, S-1
C
P-3, Q-4, R-1, S-2
D
P-4, Q-1, R-2, S-3
Question 66Single Answer
Gutenberg Discontinuity in the interior of the Earth occurs at the depth of :
A
35 km
B
800 km
C
2900 km
D
5200 km
Question 67Single Answer
Isostasy involves :
A
Eustatic change
B
Gravitational balance
C
Magnetic reversal
D
Thermal balance
Question 68Single Answer
The upper mantle of the earth is composed largely of :
A
Peridotite
B
Gabbro
C
Mafic granulite
D
Eclogite
Question 69Single Answer
The lithosphere of the earth is made up of :
A
Crust
B
Crust and upper mantle
C
Crust and part of upper mantle
D
Upper mantle
Question 70Single Answer
The explored part of the Moon consists dominantly of :
A
Basalt and anorthosites
B
Basalts
C
Basalts and granites
D
Basalts and andesites
Question 71Single Answer
Reversal of magnetic polarity in strips of ocean floor basalt parallel to ridge axis, results due to :
A
Bimodal volcanism
B
Seafloor spreading
C
Transform faults
D
Alteration of seafloor basalt
Question 72Single Answer
The amplitude of seismic waves in an earthquake of magnitude 2 on the Richter scale is larger than that of an earthquake of magnitude 1 by :
A
100 times
B
10 times
C
2 times
D
1000 times
Question 73Single Answer
Most abundant element in the earth's crust is :
A
Carbon
B
Oxygen
C
Hydrogen
D
Nitrogen
Question 74Single Answer
Aseismic ridges are associated with :
A
Hotspots
B
Subduction zones
C
Cratons
D
Island arcs
Question 75Single Answer
The two most abundant elements in Earth's crust are :
A
Iron and Magnesium
B
Aluminium and Oxygen
C
Oxygen and Silicon
D
Silicon and Aluminium
Question 76Single Answer
Most of the craters on moon surface are probably the result of :
A
Volcanic action
B
Meteoroid bombardment
C
Erosion
D
Deposition
Question 77Single Answer
The most voluminous portion of the Earth is known to geologists as :
A
The crust
B
The mantle
C
The core
D
The lithosphere
Question 78Single Answer
Rate of Indian plate motion at present is :
A
3-4 centimeters per year
B
1-18 centimeters per year
C
1 kilometer per year
D
1,000 kilometers per year
Question 79Single Answer
The oldest seafloor on Earth is not more than :
A
200 million years old
B
2 billion years old
C
20 million years old
D
2 million years old
Question 80Single Answer
The continental rise is :
A
A wedge of sediment at the base of the continental slope
B
An uplifted portion of the continent
C
A portion of the mid-ocean ridge
D
A flat- topped seamount
Question 81Single Answer
Low velocity layer (LVL) within the Earth coincides with depth range of :
A
50-100 km
B
300-350 km
C
600-750 km
D
100-200 km
Question 82Single Answer
The surface waves are :
A
P-waves
B
S-waves
C
Both P and S waves
D
L-waves
Question 83Single Answer
Conrad discontinuity separates boundary between :
A
Lower crust and upper mantle
B
Upper mantle and lower mantle
C
Outer core and inner core
D
Upper crust and lower crust
Question 84Single Answer
The new oceanic surface are created at ....... plate margin.
A
Constructive
B
Distractive
C
Conservative
D
Convergent
Question 85Single Answer
Ozone layer in Earth’s atmosphere, is confined to :
A
Troposphere
B
Stratosphere
C
Mesosphere
D
Thermosphere
Question 86Single Answer
Match the name of scientist (Group 1) and their famous theories (Group 2)
Group-1 Group 2
P. Alfred Wegener 1.Isostasy
Q. Airy 2.Sea floor spreading
R. Herry Hess 3.Theory of continental drift
S. Pratt 4. Big Bang theory
A
P-1, Q-2, R-3, S-4
B
P-3, Q-1, R-2, S-4
C
P-4, Q-1, R-2, S-3
D
P-1, Q-2, R-4, S-3
Question 87Single Answer
Which of the following is supercontinents ?
A
Gondwanaland
B
Laurasia
C
Pangea
D
Panthalassa
Question 88Single Answer
Outer core is liquid while the inner core is solid because :
A
Outer core is heated more than the inner core
B
Melting point of material in outer core is less than the ambient temperature while it is more for the material in inner core due to high pressure
C
Outer core is in contact with liquid mantle
D
Inner core is rich in iron and nickel while outer core is not
Question 89Single Answer
Earth's crust consists of continental and oceanic parts. which of the following statement is not true ?
A
Oceanic crust has global layering while continental crust doesn't
B
Oceanic crust is thinner compared to continental crust
C
Oceanic crust is younger than continental crust
D
Oceanic crust is more metamorphosed compared to continental crust
Question 90Single Answer
Which of the following regions would have thicker crust ?
A
Mountain belt
B
Mid Oceanic ridges
C
Precambrian Shield
D
Island arc
Question 91Single Answer
Continental crust is higher in elevation than oceanic crust because :
A
It is more buoyant than oceanic crust
B
It is older than oceanic crust
C
It is younger than oceanic crust
D
It is denser than oceanic crust
Question 92Single Answer
The average thickness of a lithospheric plate is approximately :
A
35 km
B
8 km
C
5 km
D
100 km
Question 93Single Answer
The average thickness of the continental crust is about :
A
35-40 km
B
100-200 km
C
1000-2000 km
D
7-10 km
Question 94Single Answer
The discontinuity which represents the boundary between crust and mantle is termed :
A
Moho
B
Conrad
C
Gutenberg
D
Lehman
Question 95Single Answer
Benioff zone is associated with :
A
Subducted slab
B
Mid ocean ridges
C
Transform faults
D
Mountains
Question 96Single Answer
Which of the following is seismic surface wave ?
A
P wave
B
S wave
C
Rayleigh wave
D
PKP wave
Question 97Single Answer
The transfer of heat by the physical movement of material is called :
A
Conduction
B
Convection
C
Radiation
D
Scattering
Question 98Single Answer
Himalayan mountains have formed primarily as a result of :
A
Compressive deformation between Indian and Asian tectonic plates
B
Relative uplift of sediments in the Tethys Ocean in an extensional setting
C
Strike-slip deformation between Indian and Eurasian plates
D
Extrusion of volcanic material over a long period of time on the Tethys ocean floor
Question 99Single Answer
The average density of the Earth is :
A
3.5 g/cm3
B
4.5 g/cm3
C
5.5 g/cm3
D
6.5 g/cm3
Question 100Single Answer
The value of gravity becomes zero at :
A
The surface of the earth
B
The centre of the earth
C
Equator
D
Poles
Question 101Single Answer
Which mineral is commonly referred to as "fool's gold" ?
A
Quartz
B
Pyrite
C
Hematite
D
Magnetite
Question 102Single Answer
What is the hardest naturally occurring mineral on the Mohs scale of mineral hardness ?
A
Talc
B
Gypsum
C
Quartz
D
Diamond
Question 103Single Answer
Which type of rock forms from the cooling and solidification of molten lava ?
A
Sedimentary
B
Metamorphic
C
Igneous
D
Volcanic
Question 104Single Answer
Which mineral is the primary component of granite ?
A
Quartz
B
Feldspar
C
Mica
D
Calcite
Question 105Single Answer
What is the process by which sediments are compacted and cemented together to form sedimentary rocks ?
A
Metamorphism
B
Erosion
C
Lithification
D
Igneous intrusion
Question 106Single Answer
Which type of rock is formed through the alteration of existing rocks by heat and pressure ?
A
Sedimentary
B
Igneous
C
Metamorphic
D
Sedimentary
Question 107Single Answer
What is the term for the study of the Earth's internal structure and composition ?
A
Geophysics
B
Seismology
C
Mineralogy
D
Petrology
Question 108Single Answer
Which mineral is commonly used as a lubricant and in the manufacture of pencils ?
A
Quartz
B
Graphite
C
Calcite
D
Feldspar
Question 109Single Answer
What type of rock is formed from the accumulation and compression of plant and animal remains ?
A
Limestone
B
Shale
C
Coal
D
Sandstone
Question 110Single Answer
Which process involves the breaking down of rocks into smaller particles due to physical and chemical weathering ?
A
Erosion
B
Metamorphism
C
Extrusion
D
Deposition
Question 111Single Answer
Which mineral is the main constituent of marble ?
A
Quartz
B
Calcite
C
Gypsum
D
Biotite
Question 112Single Answer
What is the term for the measurement of the intensity of an earthquake at a specific location ?
A
Magnitude
B
Richter scale
C
Epicenter
D
Intensity
Question 113Single Answer
Which type of rock is often formed from the accumulation of organic material in marine environments ?
A
Basalt
B
Granite
C
Limestone
D
Slate
Question 114Single Answer
What is the primary mineral in the rock known as "soapstone" ?
A
Talc
B
Gypsum
C
Quartz
D
Mica
Question 115Single Answer
Which type of rock is characterized by its layered appearance and often forms from the accumulation of silt and clay particles ?
A
Granite
B
Gneiss
C
Schist
D
Shale
Question 116Single Answer
Which mineral is commonly used as a source of aluminum ?
A
Feldspar
B
Quartz
C
Bauxite
D
Halite
Question 117Single Answer
What is the term for the process of converting sediment into solid rock through compaction and cementation ?
A
Erosion
B
Deposition
C
Lithification
D
Weathering
Question 118Single Answer
Which type of rock is formed from the cooling and solidification of magma beneath the Earth's surface ?
A
Sedimentary
B
Metamorphic
C
Igneous
D
Volcanic
Question 119Single Answer
Which mineral is commonly used in the production of ceramics and porcelain ?
A
Calcite
B
Quartz
C
Kaolinite
D
Biotite
Question 120Single Answer
What is the term for the process by which rocks are broken down into smaller fragments through mechanical weathering ?
A
Erosion
B
Deposition
C
Frost action
D
Lithification
Question 121Single Answer
Which type of rock is formed from the accumulation of organic material in swamps and wetlands ?
A
Sandstone
B
Conglomerate
C
Limestone
D
Coal
Question 122Single Answer
What is the primary mineral in the rock known as "slate" ?
A
Quartz
B
Calcite
C
Biotite
D
Muscovite
Question 123Single Answer
Which mineral is commonly used as a gemstone and can come in various colors, including blue, red, and green ?
A
Diamond
B
Garnet
C
Topaz
D
Corundum
Question 124Single Answer
What is the term for the process by which rocks are chemically altered and broken down into new minerals ?
A
Erosion
B
Deposition
C
Chemical weathering
D
Frost action
Question 125Single Answer
What is the term for the study of the classification and naming of rocks ?
A
Mineralogy
B
Petrology
C
Stratigraphy
D
Lithology
Question 126Single Answer
Which mineral is commonly used in the manufacturing of glass and as an abrasive in sandpaper ?
A
Quartz
B
Calcite
C
Gypsum
D
Talc
Question 127Single Answer
Which type of rock is formed from the accumulation of rounded pebbles and sand in riverbeds and beaches ?
A
Conglomerate
B
Shale
C
Limestone
D
Gneiss
Question 128Single Answer
What is the term for a naturally occurring solid substance with a specific chemical composition and a regular internal structure ?
A
Rock
B
Mineral
C
Sediment
D
Ore
Question 129Single Answer
Which mineral is commonly associated with the formation of stalactites and stalagmites in caves ?
A
Halite
B
Calcite
C
Feldspar
D
Magnetite
Question 130Single Answer
What is the term for the study of the Earth's history as revealed in the sequence and distribution of rock layers ?
A
Geophysics
B
Paleontology
C
Stratigraphy
D
Volcanology
Question 131Single Answer
Which type of rock is characterized by its foliated texture and often forms from the metamorphism of shale ?
A
Sandstone
B
Granite
C
Schist
D
Limestone
Question 132Single Answer
Which mineral is commonly used as a source of iron and can be magnetic ?
A
Hematite
B
Quartz
C
Calcite
D
Gypsum
Question 133Single Answer
What is the term for the point on the Earth's surface directly above the focus of an earthquake ?
A
Richter scale
B
Epicenter
C
Seismograph
D
Fault line
Question 134Single Answer
Which type of rock is formed from the compaction and cementation of rounded gravel and pebbles ?
A
Limestone
B
Sandstone
C
Shale
D
Slate
Question 135Single Answer
Which mineral is commonly used in the production of drywall and plaster ?
A
Talc
B
Gypsum
C
Quartz
D
Kaolinite
Question 136Single Answer
What is the term for the process by which rocks are moved and transported by agents such as wind, water, or ice ?
A
Erosion
B
Lithification
C
Deposition
D
Weathering
Question 137Single Answer
Which type of rock is formed from the cooling and solidification of lava on the Earth's surface ?
A
Sedimentary
B
Metamorphic
C
Igneous
D
Volcanic
Question 138Single Answer
Which mineral is commonly used in the production of ceramics and as a filler in paint and plastics ?
A
Feldspar
B
Gypsum
C
Quartz
D
Kaolinite
Question 139Single Answer
What is the term for the process by which rocks are physically broken apart into smaller pieces ?
A
Erosion
B
Deposition
C
Weathering
D
Lithification
Question 140Single Answer
Which type of rock is formed from the accumulation of organic material in marine environments and is often associated with fossils ?
A
Limestone
B
Sandstone
C
Granite
D
Slate
Question 141Single Answer
Which mineral is commonly used in the production of cement and concrete ?
A
Quartz
B
Calcite
C
Feldspar
D
Gypsum
Question 142Single Answer
What is the term for a naturally occurring concentration of minerals or other valuable geological materials ?
A
Rock
B
Ore
C
Sediment
D
Aggregate
Question 143Single Answer
Which type of rock is often formed from the accumulation of volcanic ash and fragments ?
A
Shale
B
Granite
C
Basalt
D
Gneiss
Question 144Single Answer
Which mineral is commonly used in the production of porcelain and fine china ?
A
Quartz
B
Calcite
C
Feldspar
D
Biotite
Question 145Single Answer
What is the term for the study of the processes and materials that form and modify the Earth's surface ?
A
Geophysics
B
Geomorphology
C
Stratigraphy
D
Mineralogy
Question 146Single Answer
Which mineral is commonly used as a source of potassium for fertilizer production ?
A
Halite
B
Gypsum
C
Feldspar
D
Kaolinite
Question 147Single Answer
Which type of rock is often formed from the consolidation of volcanic ash and fragments ?
A
Shale
B
Granite
C
Basalt
D
Tuffc
Question 148Single Answer
What is the term for the breaking and sliding of rock masses along a fault plane due to stress ?
A
Erosion
B
Deposition
C
Folding
D
Faulting
Question 149Single Answer
Which mineral is commonly used as a source of sulfur for various industrial applications ?
A
Halite
B
Gypsum
C
Pyrite
D
Magnetite
Question 150Single Answer
What is the study of the deformation and arrangement of rocks in the Earth's crust called ?
