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Free Practice Questions for Kerala Plus Two Geology

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Exam Review

Key Facts: Kerala Plus Two Geology Exam

~2 h + cool-off

Typical duration of the Plus Two Geology theory paper under DHSE Kerala, plus cool-off as notified

Kerala DHSE Higher Secondary examination timetable practice

TE + CE + Practical

Official subject total is 100 marks combining theory, continuous evaluation, and practical where applicable; this bank is an English MCQ study adaptation only

Kerala DHSE Higher Secondary Geology assessment pattern

D+ / ~30%

Typical minimum grade band ~30% aggregate with about ~30% TE as notified for promotion — confirm the year's grading circular

DHSE Higher Secondary grading notifications

Fee via school

Examination fees are typically paid through the school under DHSE notifications (not a fixed geology-only marketplace price)

DHSE fee notification practice

DHSE Kerala

Administrator is the Directorate of Higher Secondary Education (DHSE), Kerala, with SCERT syllabus support

dhsekerala.gov.in / SCERT Kerala

100 FREE MCQs

Local practice bank size for concept drill (not the official item count)

OpenExamPrep practice bank

Free 100-question English MCQ study bank for Kerala DHSE Plus Two Geology (Class 12). Official exams use TE + CE + Practical where applicable (100 marks total), ~2 h theory + cool-off; pass typically D+/~30% aggregate with ~30% TE as notified; fee via schools as notified by DHSE. Not an official full-format simulation. Sources: dhsekerala.gov.in, beta.hseportal.kerala.gov.in, SCERT Kerala, and dmg.kerala.gov.in.

Sample Kerala Plus Two Geology Practice Questions

Try these sample questions to review concepts for the Kerala Plus Two Geology exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1How many crystal systems are conventionally recognised in crystallography?
A.Thirty-two
B.Seven
C.Five
D.Twelve
Explanation: Crystals are classified into seven crystal systems (cubic/isometric, tetragonal, orthorhombic, hexagonal, trigonal/rhombohedral, monoclinic, and triclinic) based on axial lengths and interaxial angles. The thirty-two crystal classes are subdivisions of these systems based on point-group symmetry.
2Which mineral hardness standard is defined as Mohs hardness 10?
A.Topaz
B.Quartz
C.Diamond
D.Corundum
Explanation: On the Mohs scale of relative hardness, diamond is assigned hardness 10 — the hardest common natural mineral on that scale. Corundum is 9, topaz 8, and quartz 7.
3What does the streak of a mineral record?
A.The colour of the fresh crystal face under sunlight only
B.The density of the mineral relative to water
C.The angle between two crystal faces
D.The colour of its powdered form, usually on an unglazed porcelain plate
Explanation: Streak is the colour of a mineral in powdered form, typically obtained by rubbing it on an unglazed porcelain streak plate. Streak is often more diagnostic than hand-specimen colour, especially for metallic ore minerals.
4Cleavage in minerals refers to:
A.The tendency of a crystal to break along preferred planes of weak bonding
B.The random, conchoidal breaking of glass-like substances only
C.The ability of a mineral to scratch glass
D.The growth of crystals only in cubic form
Explanation: Cleavage is the preferential breaking of a crystal along planes of relatively weak interatomic bonding, producing smooth planar surfaces. Fracture describes irregular breaks (e.g., conchoidal fracture in quartz).
5Which silicate structure characterises the mineral quartz (SiO₂)?
A.Sheet (phyllosilicate) structure like micas
B.Framework (tectosilicate) of corner-sharing SiO₄ tetrahedra
C.Isolated (nesosilicate) SiO₄ tetrahedra with no sharing
D.Single-chain (inosilicate) structure only
Explanation: Quartz is a framework silicate (tectosilicate) in which every SiO₄ tetrahedron shares all four oxygen corners with neighbouring tetrahedra, giving the composition SiO₂. Nesosilicates have isolated tetrahedra; chains and sheets describe other silicate classes.
6Isomorphism in mineralogy means:
A.A mineral exists only as an amorphous glass
B.A crystal has no symmetry elements at all
C.Different minerals share the same crystal structure type and can form solid solutions
D.Two minerals have identical chemical formulas but unrelated structures
Explanation: Isomorphism refers to minerals with analogous crystal structures that can substitute ions of similar size and charge, often forming solid-solution series (e.g., olivine forsterite–fayalite). Polymorphism is the same composition in different structures.
7Which pair correctly matches a mineral with its common diagnostic physical property?
A.Quartz — perfect cubic cleavage in three directions
B.Halite — hardness of 7 on the Mohs scale
C.Graphite — vitreous lustre and hardness 7
D.Calcite — strong reaction (effervescence) with dilute HCl
Explanation: Calcite (CaCO₃) effervesces vigorously with cold dilute hydrochloric acid, a classic field test. Quartz lacks cleavage and fractures conchoidally; halite is soft (Mohs ~2.5) with cubic cleavage; graphite is soft with metallic/greasy lustre.
8Feldspar minerals are most abundant in the Earth's:
A.Continental crust
B.Outer core
C.Atmosphere
D.Hydrosphere only
Explanation: Feldspars (alkali and plagioclase) are the most abundant mineral group in the Earth's crust, especially continental crustal rocks such as granites and many metamorphic rocks. The outer core is metallic (Fe–Ni liquid), not silicate feldspar.
9In optical mineralogy under crossed polars, isotropic minerals such as garnet appear:
A.Only visible in reflected light and never in thin section
B.Extinct (dark) in all orientations
C.Brightly coloured with maximum birefringence in every orientation
D.Always length-fast with strong pleochroism
Explanation: Isotropic minerals (cubic system, or amorphous) have a single refractive index and remain extinct under crossed nicols in all stage positions. Anisotropic minerals show interference colours that change with rotation.
10Which crystal system has three axes of equal length intersecting at 90°?
A.Monoclinic
B.Triclinic
C.Isometric (cubic)
D.Hexagonal
Explanation: The isometric (cubic) system has three mutually perpendicular axes of equal length (a = b = c; α = β = γ = 90°). Hexagonal has a unique c-axis and three a-axes at 120°; monoclinic and triclinic have unequal axes and non-orthogonal angles.

About the Kerala Plus Two Geology Exam

Kerala Plus Two Geology covers Class 12 Higher Secondary geology under the Directorate of Higher Secondary Education (DHSE), Government of Kerala. SCERT Kerala textbooks organise Plus Two content around the world of rocks, economic mineral deposits, fossil fuels, geological structures, history of the Earth, geology and environment, earthquakes, and geological hazards and disaster management, with Plus One foundations in crystallography, mineralogy, physical geology, and geomorphology supporting the full Higher Secondary course. Kerala-relevant themes include Chavara heavy-mineral sands, china clay, laterite, and Western Ghats landslide risk. Official assessment is mixed TE + CE + Practical where applicable (100 marks total) with theory typically about 2 hours plus cool-off — not multiple choice alone. This free English MCQ bank builds concept fluency before students practise official model papers and practical skills using resources from dhsekerala.gov.in, beta.hseportal.kerala.gov.in, SCERT Kerala, and the Department of Mining and Geology, Kerala.

Exam sponsor: Directorate of Higher Secondary Education (DHSE), Kerala. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Official Kerala DHSE Higher Secondary Plus Two Geology assesses Higher Secondary Geology content through a theory paper lasting about 2 hours plus cool-off (as notified), typically with objective-type questions plus short and long answer sections, Continuous Evaluation (CE) through the school, and a practical examination where applicable (specimen identification, maps/structures as prescribed). The combined subject total is 100 marks (TE + CE + Practical as applicable). Confirm the current scheme and notification for section weights and internal choice. This 100-question bank is an English-language MCQ study adaptation of that written syllabus — it does not fully simulate the official multi-component TE/CE/practical format.

Time Limit

Typically about 2 hours for the official Plus Two Geology theory paper plus a cool-off period as notified on the DHSE/HSE timetable. Practical exams and CE are scheduled separately through the school.

Passing Score

Pass/promotion criteria follow DHSE grading notifications; candidates typically need about a D+ band (~30% aggregate of TE+CE+Practical as applicable) and about ~30% in theory (TE). Confirm the current circular rather than unofficial fixed percentages.

Exam / Certification Fees

Included in the Higher Secondary examination fee schedule paid through the school (or as notified for private/SAY candidates). Exact rupee amounts vary by year and candidate category; check the latest fee notification on dhsekerala.gov.in / beta.hseportal.kerala.gov.in rather than unofficial fixed quotes.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Study emphasis ~14%

Crystallography & Mineralogy

Seven crystal systems, physical properties, silicate structures, and common rock-forming minerals.

Study emphasis ~28%

Petrology (Igneous / Sedimentary / Metamorphic)

Textures, classification, rock cycle paths, and high-grade southern Indian rocks such as charnockite.

Study emphasis ~12%

Structural Geology

Strike/dip, folds, faults, joints, and unconformities for map and field interpretation.

Study emphasis ~10%

Stratigraphy & Geological Time

Relative and absolute dating, correlation, geologic time units, and major Indian events such as the Deccan Traps.

Study emphasis ~12%

Economic Geology & Fossil Fuels

Ore concepts, coal and petroleum basics, and Kerala mineral resources (placers, clays, laterite, bauxite).

Study emphasis ~8%

Palaeontology

Fossil types, preservation, and classic guide fossils (trilobites, ammonites, Glossopteris).

Study emphasis ~8%

Geomorphology

Weathering, fluvial and coastal processes, lateritic landscapes, and mass wasting.

Study emphasis ~8%

Environmental Geology & Hazards

Earthquakes, tsunamis, Western Ghats landslides, seawater intrusion, and disaster risk reduction.

Preparing for the Kerala Plus Two Geology Exam

What You Need to Know

  • Passing score: Pass/promotion criteria follow DHSE grading notifications; candidates typically need about a D+ band (~30% aggregate of TE+CE+Practical as applicable) and about ~30% in theory (TE). Confirm the current circular rather than unofficial fixed percentages.
  • Assessment: Official Kerala DHSE Higher Secondary Plus Two Geology assesses Higher Secondary Geology content through a theory paper lasting about 2 hours plus cool-off (as notified), typically with objective-type questions plus short and long answer sections, Continuous Evaluation (CE) through the school, and a practical examination where applicable (specimen identification, maps/structures as prescribed). The combined subject total is 100 marks (TE + CE + Practical as applicable). Confirm the current scheme and notification for section weights and internal choice. This 100-question bank is an English-language MCQ study adaptation of that written syllabus — it does not fully simulate the official multi-component TE/CE/practical format.
  • Time limit: Typically about 2 hours for the official Plus Two Geology theory paper plus a cool-off period as notified on the DHSE/HSE timetable. Practical exams and CE are scheduled separately through the school.
  • Exam / certification fees: Included in the Higher Secondary examination fee schedule paid through the school (or as notified for private/SAY candidates). Exact rupee amounts vary by year and candidate category; check the latest fee notification on dhsekerala.gov.in / beta.hseportal.kerala.gov.in rather than unofficial fixed quotes. Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Kerala Plus Two Geology: Suggested Study Strategy

1Drill hand-specimen diagnostics daily: hardness, streak, cleavage, acid test for calcite, and common rock names (granite, basalt, sandstone, limestone, marble, gneiss, charnockite).
2Practise sketching simple fold and fault geometry with hanging wall / footwall motion — official TE papers reward clear diagrams beyond MCQ recognition.
3Link economic geology to Kerala: Chavara ilmenite–monazite sands, china clay, laterite/bauxite, and sustainable mining concepts.
4For palaeontology, master fossil types (body vs trace), index fossil criteria, and classic groups (trilobites, ammonites, Glossopteris, stromatolites).
5After MCQ concept checks, solve DHSE/SCERT Plus Two Geology model papers and complete practical record and CE work on schedule.

Frequently Asked Questions

Is the official Kerala Plus Two Geology exam only multiple choice?

No. Official Higher Secondary Geology uses Theory Examination (TE), Continuous Evaluation (CE), and Practical where applicable for a subject total of 100 marks. Theory papers mix objective-type items with short and long constructed-response questions over about 2 hours plus cool-off. This bank is an English-language MCQ study adaptation for concept practice only — not a complete official-format simulation.

Does Plus Two Geology include a practical exam?

Geology is commonly a practical-bearing Higher Secondary elective under Kerala HSE, with specimen identification and related laboratory/field skills as prescribed for the year. Candidates must complete CE evidence and appear for theory and practical as scheduled by DHSE/schools. Confirm the current scheme for your sitting.

How long is the Geology theory paper?

Theory duration is typically about 2 hours plus a cool-off period as notified on the DHSE/HSE timetable (Geology is often listed with Geography and other electives on the public exam schedule). Practical exams are scheduled separately. Confirm the scheme and notification for your sitting on dhsekerala.gov.in or beta.hseportal.kerala.gov.in.

What is the passing score for Plus Two Geology?

Pass/promotion rules follow DHSE grading notifications. Candidates typically need about a D+ band (~30% aggregate of TE+CE+Practical as applicable) and about ~30% in theory (TE). Always confirm the current year circular rather than unofficial fixed percentages.

What does Plus Two Geology cost to take?

Geology is examined as part of the Higher Secondary examination. Fees are typically paid through the school (or as notified for private/SAY candidates) under DHSE fee schedules. Check official portals for the current schedule.

Which topics should I prioritise?

Cover SCERT Kerala Plus Two Geology chapters (rocks, economic minerals, fossil fuels, structures, Earth history, environment, earthquakes, and hazards) and keep Plus One foundations in crystallography, mineralogy, and physical geology sharp. Drill rock/mineral identification, strike–dip and fold/fault geometry, Kerala placers and industrial minerals, and landslide/earthquake hazard concepts. Use official scheme/model papers alongside this MCQ bank.