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100+ Free Maharashtra HSC Geology (MSBSHSE) Practice Questions

Maharashtra Higher Secondary Certificate (HSC / Class 12) Geology (subject code 41) under the Maharashtra State Board of Secondary and Higher Secondary Education (MSBSHSE) practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: Maharashtra HSC Geology (MSBSHSE) Exam

70 + 30

Subject total commonly via Theory 70 + Practical 30 = 100 marks

MSBSHSE HSC Geology assessment pattern reporting

3 hours

Typical Geology theory duration (practical commonly also about 3 hours as scheduled)

MSBSHSE HSC timetable logistics

35%

Common pass mark with separate theory/practical floors as notified

Maharashtra HSC passing marks reporting

Code 41

Official HSC general subject code for Geology

MSBSHSE HSC subject codes

Mixed + practical

Official format is mixed written theory plus practical, not pure MCQ

MSBSHSE HSC Geology assessment pattern

English MCQ adaptation

This free local bank is a study adaptation of the mixed theory+practical paper, not the official format

OpenExamPrep practice policy

MSBSHSE

Administrator: Maharashtra State Board of Secondary and Higher Secondary Education

Government of Maharashtra school board system

Maharashtra HSC Geology (MSBSHSE code 41) totals 100 marks commonly via Theory 70 + Practical 30; theory is about 3 hours. Pass is commonly ~35% with separate theory/practical floors as notified. Fees are paid through schools. This free 2026 bank is an English MCQ study adaptation of the mixed theory+practical paper — not an official paper simulation.

Sample Maharashtra HSC Geology (MSBSHSE) Practice Questions

Try these sample questions to test your Maharashtra HSC Geology (MSBSHSE) exam readiness. 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.Seven
B.Five
C.Twelve
D.Thirty-two
Explanation: Crystals are classified into seven crystal systems (isometric/cubic, 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.
2Which mineral is assigned Mohs hardness 10?
A.Quartz
B.Topaz
C.Corundum
D.Diamond
Explanation: On the Mohs scale of relative hardness, diamond is hardness 10. Corundum is 9, topaz 8, and quartz 7.
3The streak of a mineral is best defined as:
A.The colour of the fresh crystal face under sunlight only
B.Its density relative to water
C.The colour of its powdered form, usually on an unglazed porcelain plate
D.The angle between two crystal faces
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 for metallic ore minerals.
4Cleavage in minerals refers to:
A.The ability of a mineral to scratch glass
B.The tendency of a crystal to break along preferred planes of weak bonding
C.Random, glass-like conchoidal breaking only
D.Growth of crystals only in cubic form
Explanation: Cleavage is preferential breaking along planes of relatively weak interatomic bonding, producing smooth planar surfaces. Fracture describes irregular breaks such as conchoidal fracture in quartz.
5Which silicate structure characterises quartz (SiO₂)?
A.Framework (tectosilicate) of corner-sharing SiO₄ tetrahedra
B.Sheet (phyllosilicate) structure like micas
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, giving composition SiO₂. Nesosilicates, 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.Two minerals have identical formulas but unrelated structures
D.Different minerals share the same crystal structure type and can form solid solutions
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 a diagnostic physical property?
A.Quartz — perfect cubic cleavage in three directions
B.Halite — hardness of 7 on the Mohs scale
C.Calcite — strong effervescence with dilute HCl
D.Graphite — vitreous lustre and hardness 7
Explanation: Calcite (CaCO₃) effervesces vigorously with cold dilute hydrochloric acid, a classic field test. Quartz lacks cleavage; halite is soft (~2.5); graphite is soft with metallic/greasy lustre.
8Feldspar minerals are most abundant in the Earth’s:
A.Outer core
B.Continental crust
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. The outer core is metallic Fe–Ni liquid, not silicate feldspar.
9Under crossed polars in optical mineralogy, isotropic minerals such as garnet appear:
A.Extinct (dark) in all orientations
B.Brightly coloured with maximum birefringence in every orientation
C.Always length-fast with strong pleochroism
D.Visible only in reflected light, never in thin section
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.Hexagonal
D.Isometric (cubic)
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 Maharashtra HSC Geology (MSBSHSE) Practice Questions

Verified exam format metadata for Maharashtra Higher Secondary Certificate (HSC / Class 12) Geology (subject code 41) under the Maharashtra State Board of Secondary and Higher Secondary Education (MSBSHSE) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.