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OSSC CGL (Laboratory Assistant) Syllabus 2026, Exam Pattern

Complete preparation hub for Ossc Cgl (laboratory Assistant) 2026 recruitment examination

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📅 Updated On 2026-05-21✨ Update By Sandeep Pandey🌐 Hindi & English
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OSSC CGL (Laboratory Assistant) Syllabus 2026, Exam Pattern

1
OSSC CGL (Laboratory Assistant) Prelims Exam - English150 questions • 150 mins • 150 marks
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2
OSSC CGL (Laboratory Assistant) Mains Exam - English100 questions • 150 mins • 200 marks
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Ossc Cgl (laboratory Assistant) 2026 Exam Free Online Question Bank

1
OSSC CGL (Laboratory Assistant) Prelims Exam - English150 questions
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2
OSSC CGL (Laboratory Assistant) Mains Exam - English100 questions
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Combo PackageOSSC CGL Laboratory Assistant

OSSC CGL Laboratory Assistant

Combo - 1 Prelims (English)

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 3 Prelims (English)

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 4 Prelims (English)

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 5 Mains (English)

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 6 Mains (English)

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 7 Mains (English)

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4. 1000 (+) GK MCQ with Answer PDF Book in English.
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Combo PackageOSSC CGL Laboratory Assistant

OSSC CGL Laboratory Assistant

Combo - 8 Prelims (English)

1. Online Mock Test Series in English = 40 Tests.

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 9 Mains (English)

1. Online Mock Test Series in English = 30 Tests.

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 10 Prelims (English)

1. Online Mock Test Series in English = 40 Tests.

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Combo PackageOSSC CGL Laboratory Assistant

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Combo - 11 Mains (English)

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5. 1500 (+) Current Affairs MCQ with Answer PDF in English.

6. 1000 (+) GK MCQ with Answer PDF Book in English. 
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OSSC CGL (Laboratory Assistant) Syllabus 2026, Exam Pattern

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OSSC CGL (Laboratory Assistant) Syllabus 2026, Exam Pattern, Exam Date 2026

Detail Information about OSSC has published notification 2026 for the recruitment of CGL (Laboratory Assistant) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
 
OSSC CGL Syllabus 2026 - Overview
 
Origination Name Odisha Staff Selection Commission (OSSC)
Exam Name Combined Graduate Level Recruitment Examination for Group-B & Group-C Specialist Post
Name of Post CGL (Laboratory Assistant)
No. of Vacancy 20
Application Mode Online
Selection Process Prelims, Mains and Certificate Verification
Category Syllabus and Exam Pattern
Job Location Odisha
Official website www.ossc.gov.in
 
OSSC CGL (Laboratory Assistant) Syllabus 2026
 
Prelims Exam Syllabus :-

1. Arithmatic-10th Standard :
 
1. Simplification
2. Decimals
3. Data Interpretations
4. Fractions
5. HCF
6. LCM
7. Percentage
8. Ratio and Proportions
9. Profit & Loss
10. Average
11. Discount
12. Simple & Compound Interest
13. Mensuration
14. Time and Work
15. Time and Distance
16. Tables and Graphs

2. Data Interpretation (Chart, Graph, Table, Data Sufficiency etc.)-
 
1. Chat
2. Graph
3. Table
4. Date Sufficiency etc

3. Logical Reasoning and Analytical Ability, General Mental Ability :
 
1. Verbal and Non–Verbal types of reasoning
2. Similarities
3. Differences
4. Space visualizations
5. Problem-Solving
6. Analysis
7. Judgment
8. Decision Making
9. Visual Memory
10. Discrimination
11. Observations
12. Relationships
13. Concepts
14. Arithmetical Reasoning
15. Verbal and Figure Classification
16. Arithmetical Number Series

4. Current Events of National and International Importance :
 
1. Environment
2. Current Affairs
3. Indian History
4. Polity
5. Constitution
6. Sports
7. Art and Culture
8. Indian Geography
9. Economics
10. Everyday Science
11. Scientific Research
12. National/International Organizations

5. Computer/ Internet Awareness :
 
1. Object-Oriented Designing
2. Proposing and creating architecture and re-usable libraries in NET
3. JavaScript
4. Networking with LAN/WAN
5. ASP.NET
6. ADO.NET
7. Java & JavaScript
8.Manageable switch/ router & wireless LAN with the network security
9. Firewall & Antivirus
10. UML
11. Knowledge of C++
12. Operating System – DOS
13. PHP
14. MS SQL Server
15. Oracle PL_SQL Architecture
16. Novel
17. Window OS client & server
18. Linux OS-client & server
19. Web Server
20. Window Series
21. JSON
22. The query will be added plus
23. Grid Computing, Distributed
24. OS
25. Image processing, Digital signal Processing
26. VLSI
27. Embedded System
 
6. Odisha Economy, Odisha History, Odisha Geography, Odisha Heritage and Culture -

1. Ancient History
2. Rivers
3. Art and Crafts
4. Flora and Fauna
5. Coastal Region
6. Cultural Diversity
7. Central Region
8. Festivals
9. Linguistic Diversity
 
Mains Exam :-
 
A. PHYSICS

DIGITAL AND ANALOG CIRCUITS, INSTRUMENTATION & SOLID-STATE PHYSICS: Difference between Analog & Digital Circuits, Binary Numbers, Decimal to Binary and Binary to Decimal Conversion, Semiconductor Devices and amplifiers. Crystal Structure: Solids-Amorphous and crystalline materials.

MECHANICS: Units & Measurements (From prefix used for big measurements), Vectors: Vector Algebra, Scalar & Vector products, Derivatives of a vector with respect to a parameter; Laws of Motion: Newton's Law of motion; Momentum and Energy; Conservation of momentum; Work & Energy; Conservation of energy. Rotational Motion: Angular velocity and angular momentum, Torque, Conservation of angular momentum, Gravitation: Newton's Law of Gravitation. Oscillations: Simple Harmonic Motion, Kinetic & Potential energy, Total energy and their time averages, Special Theory of Relativity, Theories of Vernier's Scale.

WAVE & OPTICS: Fluids: Surface Tension - Excess of pressure - Application to spherical and cylindrical drops and bubbles, variation of surface tension with temperature, Units of Pressure and viscosity- S.I. Unit and C.G.S Unit, Pressure in Fluids- Pascals' Law, Atmospheric pressure, Buoyancy, Viscosity - Rate flow of fluid in a capillary tube Poiseuille's formula- Determination of coefficient of viscosity of liquid - Variations of viscosity of liquid with temperature- lubrication, Sound: SHM-Forced vibrations and resonance, Wave Optics: Electromagnetic nature of light, Definition and properties of wave font, Interference - Division of amplitude and division of wave font, Diffraction & Polarization.

THERMAL PHYSICS AND STATISTICAL MECHANICS: Laws of Thermodynamics & their applications, Reversible and irreversible processes, Entropy, Carnot's Cycle - Kinetic theory of gases, Transport Phenomena - Viscosity, Conduction & Diffusion: Theory of Radiation.

ELECTRICITY AND MAGNETISM: Electrostatics: Electrostatic Field, electric lux. charged conductor, electric potential as line integral of electric field, potential due to a point charge, electric dipole, Calculation of electric field from potential, Capacitance of an isolated spherical conductor; Resistances, AC and DC Voltages & Current: Checking electrical fuses; Magnetostatics: Biot-Savart's law and its applications; Electromagnetic Induction: Faraday's laws of electromagnetic induction.

B. СНEMISTRY :-

INORGANIC CHEMISTRY: Atomic Structure, Quantum Mechanics, Chemical Bonding and molecular structure, lonic equilibrium (Ionization of weak acids & bases, pH scale, common ion effect, Salt-Hydrolysis-Calculation of hydrolysis constant, degree of hydrolysis and pH of different salts, Buffer solutions). General principles of Metallurgy, Kinetic Theory of Gases, Solids & Liquids.

ORGANIC CHEMISTRY: Fundamentals of organic chemistry, Stereochemistry, Functional group approach for the following reactions (preparations & reactions), Alkanes, Alkenes, Alkynes, Aldehydes, Ketones, Carboxylic Acids, Aromatic hydrocarbons, Alkyls & Aryl Hallides.

INDUSTRIAL CHEMISTRY, ENERGY & ENVIRONMENT: Industrial gases and Inorganic Chemicals, Sources of energy: Coal, petrol and natural gas. Coal and petrochemical industry, nuclear fusion / fission, solar energy, hydrogen, geothermal, tidal, and hydel energy, Nuclear Pollution- Disposal of nuclear waste, nuclear disaster, and its management.

CHEMICAL TECHNOLOGY: Basic principles of distillation, solvent extraction, solidliquid leaching and liquid extraction, separation by absorption and adsorption. An introduction into the scope of different types of equipment needed in chemical technology including reactors, distillation columns, extruders, pumps, mills, emulators- Scaling up operations in chemical industry, Introduction to clean technology.

C. MАТНЕМАTICS :

PROBABILITY AND STATISTICS: Sample space, probability axioms, real random variables ( discrete and continuous), cumulative distribution functions, probability mass/density functions, mathematical expectations, moments, moment generating functions, characteristic functions, discrete distributions, uniform, binomial, poisons, continuous distributions-Uniform, normal and exponential, Logarithms-It's functions, residue formula, singularities & Meromorphic functions, argument principle and its applications, complex logarithms, Joint cumulative distribution function and its properties. joint probability density functions, marginal and conditional distributions, expectation of function of two random variables, conditional expectations, independent random variables. Basic Trigonometry-Its applications and functions, logarithmic functions, entry in semi-log graph sheet.

LOGIC & SETS: Introductions, propositions, truth table, negation, conjunction, and disjunctions. Implications, biconditional propositions, converse, contra-positive and inverse propositions, and precedence of logical operators. Propositional equivalence: Logical equivalence, Predicates and Quantifiers-Introduction, Binding variables and negations. Sets, subsets, Set operations, the laws of set theory and Venn diagrams. Example of finite and infinite sets. Finite sets and counting principle. Empty set, standard set operations, class of sets, powers of a set. Difference and symmetric difference of two sets. Set identities, Generalized union and intersections. Relations: Product set, Composition of relations, Types of relations, partitions, equivalence relations with example of congruence modulo-relations.

DIFFERENTIAL EQUATIONS: First order exact differential equations. Integrating functions, rules to find and integrating factor. First-order higher degree equations solvable for x, y, p. Methods for solvable higher-order differential equations. Effects of derivative on shape of the graph. Derivative of an exponential function, chain rule, trigonometric functions, logarithmic functions in derivations.
 
OSSC CGL (Laboratory Assistant) Exam Pattern 2026
 
Prelims Exam

Duration : 150 Minutes

Negative Marking : 0.25

 
S.No Subject No.of Question Marks
1 Arithmatic-10th Standard 150 150
2 Data Interpretation (Chart, Graph, Table, Data Sufficiency etc.)
3 Logical Reasoning and Analytical Ability, General Mental Ability
4 Current Events of National and International Importance
5 Computer/ Internet Awareness
6 Odisha Economy, Odisha History, Odisha Geography, Odisha Heritage and Culture
  Total 150 150

Mains Exam

Negative Marking : 0.50

 
Paper Subject No.of Question Marks Duration
Paper 1 Technical Subject 100 200 150 Minutes
  Total 100 200  

OSSC CGL Prelims Exam Date 2026 : Notified Soon

Starting Date of Application Form : 09th June 2026

Last Date of Application Form : 08th July 2026

Total Post : 20
FAQs

Ossc Cgl (laboratory Assistant) 2026 Exam Syllabus Frequently Asked Questions (FAQ's)

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