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100+ Free CHSE Odisha Elective Geology Practice Questions

Council of Higher Secondary Education, Odisha (CHSE Odisha) Higher Secondary (+2) Elective Geology (Science stream) practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: CHSE Odisha Elective Geology Exam

200 marks

Elective Geology total: Y1 and Y2 each Theory 70 + Practical 30

CHSE Odisha Science Courses of Studies (Geology)

3 hours

Typical duration of each 70-mark theory paper

CHSE Odisha Geology scheme of examination

30% / 40%

Common separate pass floors for theory and practical

CHSE Odisha Geology pass-mark statement in science_2016 syllabus

3-day field

Minimum geological field training before Year-2 practical eligibility

CHSE Odisha +2 Geology Year-2 regulations

In AHSE fee

No separate elective marketplace fee; included in session exam fee

CHSE Odisha AHSE fee structure via colleges

CHSE Odisha Elective Geology is a +2 Science elective (200 marks: Theory 70 + Practical 30 each year). Council Year-2 AHSE counts for the pass certificate. This free 2026 bank is an English MCQ study adaptation of theory knowledge aligned to science_2016 Geology units—not a specimen-ID or field-practical simulation.

Sample CHSE Odisha Elective Geology Practice Questions

Try these sample questions to test your CHSE Odisha Elective Geology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which of the following best describes the scope of geology as a science?
A.Study of the Earth, its materials, structures, processes, and history
B.Study of only living organisms and ecosystems
C.Study of atmospheric weather patterns alone
D.Study of pure mathematics without physical application
Explanation: Geology is the Earth science concerned with materials (rocks and minerals), structures, surface and internal processes, and the planet's history through deep time.
2Which layer of the Earth is liquid and composed mainly of iron and nickel?
A.Inner core
B.Outer core
C.Lower mantle
D.Continental crust
Explanation: The outer core is a molten Fe–Ni layer. Its convective motion, with Earth's rotation, drives the geodynamo that generates the main magnetic field.
3The Mohorovičić discontinuity (Moho) marks the boundary between which two Earth layers?
A.Mantle and outer core
B.Outer core and inner core
C.Crust and mantle
D.Lithosphere and atmosphere
Explanation: The Moho is the seismic boundary separating crust from mantle, identified by a sharp increase in P-wave velocity.
4Which process involves the in-place breakdown of rocks by physical and chemical means without significant transport?
A.Erosion
B.Deposition
C.Metamorphism
D.Weathering
Explanation: Weathering is the disintegration and decomposition of rocks at or near the surface in place. Erosion requires removal and transport of weathered material.
5U-shaped valleys are classic landforms produced mainly by which exogenetic agent?
A.Glacier
B.Wind
C.River in youthful stage only
D.Groundwater dissolution alone
Explanation: Valley glaciers erode bedrock into characteristic U-shaped cross-profiles, often with truncated spurs and hanging valleys.
6Which landform is typically produced by wind deposition of sand?
A.Delta
B.Sand dune
C.Moraine
D.Alluvial fan from glacial melt only
Explanation: Sand dunes are accumulations of wind-blown sand shaped by prevailing winds in arid and coastal settings.
7Earthquakes are primarily classified among which type of geological process?
A.Exogenetic processes only
B.Biological processes only
C.Endogenetic processes
D.Atmospheric condensation processes
Explanation: Earthquakes result from sudden release of elastic strain energy within the Earth (commonly along faults) and are endogenetic (internal Earth) processes.
8Composite (stratovolcano) cones are built mainly by alternating layers of what materials?
A.Only pure quartz sand dunes
B.Only glacial till
C.Only evaporite beds
D.Lava flows and pyroclastic deposits
Explanation: Stratovolcanoes grow from alternating lava flows and pyroclastic (ash, bombs, blocks) deposits, often with intermediate magma compositions.
9Which oceanic depth zone lies immediately beyond the continental shelf and descends steeply toward the deep ocean floor?
A.Continental slope
B.Abyssal plain only as the shelf edge
C.Littoral zone of beaches
D.Inner core
Explanation: The continental slope is the steeper incline seaward of the shelf break, leading down toward the rise and abyssal plain.
10Radiometric dating methods estimate the age of Earth materials by measuring what?
A.Only fossil color intensity
B.Parent–daughter isotope ratios produced by radioactive decay
C.Only magnetic field strength at the surface today
D.Only present-day rainfall amounts
Explanation: Radioactive parent isotopes decay at known rates to daughter products; measured ratios plus half-lives yield absolute ages.

About the CHSE Odisha Elective Geology Practice Questions

Verified exam format metadata for Council of Higher Secondary Education, Odisha (CHSE Odisha) Higher Secondary (+2) Elective Geology (Science stream) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.