Rajasthan Staff Selection Board (RSSB) is responsible for conducting the recruitment exam for Lab Assistant posts (for the post of प्रयोगशाला सहायक एवं कनिष्ठ प्रयोगशाला सहायक (विज्ञान)). Candidates should look for the latest Rajasthan Lab Assistant Syllabus and Exam Pattern 2026 for preparing for the Lab Assistant post. In this article, you can get detailed information about the exam pattern and the latest syllabus.
Rajasthan RSSB Lab Assistant Syllabus and Exam Pattern 2026
RSSB Lab Assistant/ Jr. Lab Assistant (Science) exam is scheduled for 10th May 2026, and the Lab Assistant (Geography) will be held on 9th May 2026. Candidates must understand each and every topic of every subject before appearing in the examination.
| RSSB Lab Assistant Syllabus and Exam Pattern 2026- Overview | |
| Exam Conducting Body | Rajasthan Staff Selection Board (RSSB) |
| Post Name | Lab Assistant and Junior Lab Assistant (प्रयोगशाला सहायक एवं कनिष्ठ प्रयोगशाला सहायक |
| Vacancies | 804 |
| Exam Date | Lab Assistant/ Jr. Lab Assistant (Science) – 10th May 2026 Lab Assistant (Geography) – 9th May 2026 |
| Total Questions | Lab Assistant (Science)- 200 Lab Assistant (Geography) – 300 |
| Total marks | Lab Assistant (Science)- 400 Lab Assistant (Geography)- 300 |
| Exam duration | Lab Assistant (Science)- 4 hours Lab Assistant (Geography)- 3 hours |
| Negative Marking | 0.33 Marks |
| Selection Process | Written Examination & Document Verification |
| Official Website | https://RSSB.rajasthan.gov.in |
RSSB Lab Assistant Exam Pattern 2026
Candidates should review the exam pattern before taking the test. The pattern provides details about the number of questions, duration, and marking scheme. Understanding the exam pattern assists candidates in planning their approach to preparation.
Note: Rajasthan Lab Assistant Syllabus and Exam Pattern 2026 are different for Lab Assistant and Junior Lab Assistant (Science) and Lab Assistant (Geography) posts, and the same has been shared in the article.
RSSB Lab Assistant/ Jr. Lab Assistant (Science) Exam Pattern 2026
- There will be 2 papers. Paper 1 and Paper 2.
- The exam consists of objective types multiple choice questions.
- The total exam carries 400 marks, with each question carrying 2 marks.
- For every incorrect answer, 1/3rd of a mark will be deducted.
- The minimum qualifying marks for the Unreserved category is 50%, and the marks for SC and ST is 45%.
| RSSB Exam Pattern 2026 for Lab Assistant/ Jr. Lab Assistant (Science) | ||||
| Paper | Subjects | No. of Questions | Marks | Duration |
| Paper 1 | Geographical, historical, cultural, and General Knowledge of Rajasthan | 100 | 200 | 2 hours |
| Paper 2 | Science | 100 | 200 | 2 hours |
| Total | 200 | 400 | 4 hours | |
RSSB Exam Pattern 2026 for Lab Assistant (Geography)
- The exam will consist of objective-type multiple-choice questions.
- A total of 300 questions will be asked for a total of 300 marks.
- The duration of the exam is 3 hours.
- There will be negative marking; 1/3 mark will be deducted for a wrong answer.
| Part | Subjects | Total Questions | Total Marks | Duration |
| Part A | General Knowledge (History, Art, Culture, Literature, Traditions, Heritage, and Geography of Rajasthan) | 100 | 100 | 3 hours |
| Part B | Geography | 200 | 200 | |
| Total | 300 | 300 | ||
RSSB Lab Assistant Syllabus 2026
The syllabus is the most important guide for every candidate for effective preparation. It helps the candidates to identify their weak and strong areas. According to their weak and strong areas, candidates can shape their preparation. Here we have shared the detailed syllabus for your easy access.
RSSB Lab Assistant Lab Assistant/ Jr. Lab Assistant (Science) Syllabus 2026
Candidates can check the detailed topic-wise questions asked in Lab Assistant/ Jr. Lab Assistant (Science) posts from here.
Paper 1: Geographical, historical, cultural, and general knowledge of Rajasthan
The General Knowledge paper will consist of Rajasthan GK, Current Affairs, General Studies, and Educational Psychology.
Rajasthan History, Culture, and General Knowledge
- Major sources of the history of Rajasthan
- Major prehistoric civilizations of Rajasthan
- Major dynasties of Rajasthan and their achievements
- Mughal-Rajput relations
- Major features of architecture
- Important forts, monuments, and structures
- Religious movements and folk deities of
- Rajasthan Fairs, festivals, folk music, folk dance, instruments, and jewelry
- Rajasthani culture
- Important historical tourist places
- Major personalities of Rajasthan
- Princely states of Rajasthan and British treaties
- People’s Movement of 1857, Farmers and Jan-Jati Movement
- Prajamandal Movement
Rajasthan Geography
- Location and extent: Main physical departments, Desert region
- Aravalli mountain region
- Plain region
- Plateau region Drainage system
- Climate
- Soil
- Natural vegetation
- Forest and wildlife conservation
- Environmental and ecological issues
- Desertification
- Agro-climatic region and major crops
- Livestock Multipurpose Projects
- Irrigation projects
- Water conservation
- Transportation
- Mineral resources
2. Current Affairs of Rajasthan
3. General Knowledge of the World and India
4. Educational Psychology
Part 2: General Science
The General Science paper consists of the Biology, Physics and Chemistry subjects with 200 questions.
Biology
- General characters of Algae, Fungi, Lichens, Bryophyta, Pteridophyta, Gymnosperms, and
Angiosperms. - Morphology of Angiosperms
- Plant Anatomy
- Plant Physiology: Osmosis, Water Absorption Ascent of sap, Transpiration, Photosynthesis,
Respiration, Plant growth and movement - Environmental Studies: Structure and type of Ecosystem, Energy flow, Biogeo- Chemical Cycle,
Ecological Adaptations, Environmental Pollution, Population Ecology, Biodiversity - Biotechnology: General Account, Recombinant DNA technology, Transgenic Plants and Animal, Ethical Issues, Application of Biotechnology in Agriculture and Medical field
- Economic Importance of Plants
- Cell: Structure (Prokaryotic and Eukaryotic) cell theory and cell Division
- Genetics (Mendel’s law, structure of DNA and RNA)
- Classification of the Animal Kingdom
- Digestion, respiration, and excretion in humans
- Circulatory and endocrine systems of the human
- nervous System of human (Structure of the brain, ear, and eye)
- Muscular System
- Reproductive System in human and Human diseases
- Biological Evolution, Economic importance of animal
Physics
- Dynamics of rigid body (movement of inertia, conservation of momentum)
- Thermodynamics: First & Second laws of thermodynamics, heat engines, and refrigerators
- Oscillations: Simple harmonic motion & its example. resonance
- Waves: Principle of superposition of waves, Doppler effect
- Electrostatics: Coulomb’s law, electric field, Gauss’s theorem & its applications
- Electric Current: Kirchhoff’s law, Wheatstone-bridge, meter-bridge, potentiometer
- Optics: microscope & telescope, interference, diffraction & polarisation, polarimeter
- Atom: Bohr’s model of H- atom
- Nuclei: Mass defect, nuclear binding energy, nuclear fission & fusion
- Semiconductor Electronics: pn junction, transistor, logic gates, diode as a rectifier, zener diode
Chemistry
- Fundamental particles of an atom (electron, proton, neuron)
- Rutherford’s nuclear model
- Quantum Nos.
- Pauli’s exclusion principle
- Aufbau principle
- Types of orbital ( s, p, d, f), shape of orbital
- Hund’s rule
- Modern periodic table
- Variation in atomic properties (Size, Ionisation potential, Electron affinity, Electronegativity)
- S- Block & P-Block Elements
- Chemical Equilibrium
- Ionic Equilibrium
- Gaseous State
- Liquid State
- Solid State
- Solutions
- Nomenclature & General Properties of Organic Compounds
- Hydrocarbons
RSSB Lab Assistant Geography Syllabus 2026
- Geography as an integrating discipline, branches of geography, importance of physical geography
- 2. Origin and evolution of the Earth
- Interior of the Earth
- Distribution of the oceans & continents
- Rocks – types and characteristics
- Geomorphic processes
- Landforms and their evolution
- Atmosphere – composition and structure
- Insolation, heat balance, temperature distribution
- Pressure and atmospheric circulation
- Water in atmosphere- Evaporation, condensation, rainfall – types and distribution
- World climates – Classification (Koeppen), greenhouse effect, global warming and climate
change - Hydrological cycle and submarine relief
- Distribution of temperature and salinity, oceanic waves, tides and currents
- Biosphere, ecology, ecosystem, and biomes, biogeochemical cycles- water, carbon, oxygen, nitrogen and other mineral cycles
- Biodiversity and conservation
- India – Location, Size, and Neighbouring Countries
- Physiographic Divisions
- Concepts of water shed, the Himalayan and Peninsular drainage system
- Monsoon climate, controlling factors, mechanism – Onset, break and retreat, seasonal rhythm, rainfall distribution and variability, climatic (Koeppen) monsoon and Indian economic life
- Forest- types and distribution
- Biosphere reserves Soil – Classification (I.C.A.R.) distribution, degradation, and conservation
- Hazards – meaning, classification, natural disasters in India, disaster management
- Maps: types, Scales – types, construction of a simple linear scale, measuring distance, finding direction and use of symbols
- Latitude and Longitude – meaning and time determination
- Map Projection – types, construction and properties of projection, conical with one standard
parallel and cylindrical equal area projections - Study of topographic maps (1:50,000 or 1:20,000 maps published by Survey of India); Contour cross section and identification of land forms – slopes, hill, valleys, waterfalls, cliff, distribution of settlements
- Aerial photographs: types & geometry – vertical aerial photographs
- Satellite imagery, stages in remote sensing data acquisition platform, sensors and data products, (Photographic & digital, identification of physical and cultural features from satellite imageries
- Use of weather instruments: thermometer, wet and dry-bulb thermometer, barometer wind vane, rain guage
- Use of weather Charts: describing pressure, wind and rainfall distribution
- Human geography – definition, nature, subject matter and significance
Rajasthan Lab Assistant Syllabus 2026 (in Hindi)
With a proper preparation strategy, detailed exam pattern & syllabus knowledge, you can excel in the RSSB Lab Assistant Syllabus 2026 and get shortlisted for Lab Assistant posts.
पेपर 1: राजस्थान का भौगोलिक, ऐतिहासिक, सांस्कृतिक और सामान्य ज्ञान
राजस्थान का इतिहास, संस्कृति और सामान्य ज्ञान
राजस्थान के करेंट अफेयर्स विश्व और भारत का सामान्य ज्ञान शैक्षिक मनोविज्ञान |
राजस्थान का भूगोल
|
पेपर 2: सामान्य विज्ञान
जीव विज्ञान
|
भौतिकी
|
रसायन विज्ञान
|
पेपर 2: भूगोल
|
Rajasthan Lab Assistant Syllabus 2026 PDF Download
Download the RSSB Lab Assistant Syllabus PDF from the link below and check the subject-wise and topic-wise syllabus to prepare well for the upcoming examination.
Rajasthan Lab Assistant Selection Process 2026
The selection of the candidates for the post of RSSB Lab Assistant and Junior Lab Assistant (Science and Geography) (प्रयोगशाला सहायक एवं कनिष्ठ प्रयोगशाला सहायक) is based on the written examination and DV.
Stage 1 – Written Examination
Stage 2 – Document Verification
Preparation Tips for Lab Assistant 2026
- Master the New Districts– Rajasthan recently underwent administrative changes. Ensure your Rajasthan General Knowledge is based on the 50 district update.
- Focus on NCERT – A total 80% of Paper II comes directly from the NCERT Class 11 and 12 NCERT concepts. Read them twice and make one-page summary notes for each chapter.
- Practice With PYQ – Review previous papers from 2018 and 2022. RSSB often repeats the questions, especially in Rajasthan GK.
- Current Affairs – Focus on the last 6–8 months of Rajasthan-specific news (government schemes, sports, and awards).
- Practice the 5-Option Rule – Regularly take mock tests that include the “Option E” format to avoid silly mistakes during the actual exam.
- Educational Psychology – Don’t ignore this section in Paper-I. It often acts as a tie-breaker for high-scoring candidates.
| Related Links | |
| Rajasthan Lab Assistant Salary | Rajasthan Lab Assistant Previous Year Papers |


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