RSMSSB Lab Assistant Examination (Prayogshala Sahayak - Science, Geography, Home Science) 2026: Official Notification, Pattern, Syllabus & Mock Tests
State laboratory technical recruitment examination conducted by RSSB for hiring Lab Assistants in government senior secondary school science laboratories, college science faculties, and forensic laboratories.
Examination Overview
State laboratory technical recruitment examination conducted by RSSB for hiring Lab Assistants in government senior secondary school science laboratories, college science faculties, and forensic laboratories.
| Exam Name | RSMSSB Lab Assistant Examination (Prayogshala Sahayak - Science, Geography, Home Science) |
|---|---|
| Conducting Authority | Rajasthan Staff Selection Board (RSMSSB / RSSB) |
| Exam Level | State |
| Frequency | Biennial / Periodic |
| Mode of Examination | Computer Based Test (CBT) / Written Examination |
| Language of Exam | English, Hindi & State Regional Languages |
| Official Website | https://rsmssb.rajasthan.gov.in ↗ |
Important Dates & Events
Timeline confirmed from official notices issued by Rajasthan Staff Selection Board (RSMSSB / RSSB).
| Event / Milestone | Important Date / Status |
|---|---|
| Official Lab Assistant Notification | Published on rsmssb.rajasthan.gov.in |
| Written Examination | Conducted over 2 days across Rajasthan |
| Document Verification | RSSB Office, Jaipur |
Exam Pattern & Marking Scheme
Written Competitive Examination (Two Papers = 400 Marks for Science; 300 Marks for Geography/Home Science, 2 Hours each paper): Paper 1 General Knowledge of Rajasthan, Educational Psychology & Current Affairs (100 Questions, 200 Marks) + Paper 2 General Science / Concerned Discipline (100 Questions, 200 Marks). Negative marking: 1/3rd (0.33) mark per wrong answer; minimum 40% qualifying marks.
| Examination Parameter | Scheme Details | Remarks / Evaluation |
|---|---|---|
| Question Format | Multiple Choice Questions (Objective MCQs) | 4 or 5 options per question |
| Evaluation Mode | Computer Based Test (CBT) / Offline OMR Sheet | Centralized Evaluation System |
| Negative Marking Scheme | Standard 1/3rd or 1/4th negative deduction | Penalized for incorrect responses |
| Language Medium | Bilingual (English & Hindi) + Regional State Languages | Language toggle available in CBT |
| Normalization | Equipercentile or Percentile method across shifts | Multi-shift normalization applied |
Selection Process & Stages
Candidate progression through sequential recruitment tiers:
Preliminary / Tier 1 Examination
Comprehensive objective screening test covering core aptitude, reasoning, general knowledge and language skills.
Mains / Tier 2 / Skill Test
Advanced written assessment or post-specific technical/descriptive examination determining the final merit order.
Document Verification & Medical
Scrutiny of original certificates, category credentials, age proofs and required medical fitness examination.
Eligibility Criteria (Age & Educational Qualification)
For Science: Senior Secondary (10+2) with at least three subjects from Physics, Chemistry, Biology, Mathematics. For Geography: 10+2 with Geography. For Home Science: 10+2 with Home Science. Age: 18 to 40 years (Relaxations for reserved categories).
| Parameter | Eligibility Condition | Relaxation Norms |
|---|---|---|
| Educational Criteria | For Science: Senior Secondary (10+2) with at least three subjects from Physics, Chemistry, Biology, Mathematics. For Geography: 10+2 with Geography. For Home Science: 10+2 with Home Science. Age: 18 to 40 years (Relaxations for reserved categories). | Recognized Board / University required |
| Age Requirement | As specified in official notification (General Category) | SC/ST: +5 Years | OBC: +3 Years | PwD: +10 Years |
| Citizenship | Citizen of India | Subject of Nepal/Bhutan as per Central/State rules |
| Language Proficiency | Regional / English & Hindi working knowledge | Applicable as per State / National jurisdiction |
Detailed Syllabus by Subject
Paper 1: History, Art, Culture, Geography of Rajasthan, Current Affairs. Paper 2 Science: Physics (Dynamics, Thermodynamics, Optics, Electrostatics, Magnetism), Chemistry (Periodic Table, Chemical Bonding, States of Matter, Organic Chemistry Basics), Biology (Plant Anatomy, Taxonomy, Genetics, Human Physiology, Ecology).
📖 General Studies & Current Affairs
- Current National & International Events
- Indian History & Freedom Struggle
- Indian & World Geography
- General Science (Physics, Chemistry, Biology)
- Indian Polity, Constitution & Governance
- Basic Economic Concepts & Budget Highlights
🔢 Quantitative & Numerical Aptitude
- Simplification, Number System, HCF & LCM
- Percentage, Ratio & Proportion, Profit & Loss
- Simple & Compound Interest
- Time, Speed & Distance, Time & Work
- Data Interpretation (Tables, Bar & Pie Charts)
🧩 Reasoning & Mental Ability
- Analogies, Classification & Series Completion
- Coding-Decoding & Blood Relations
- Direction Sense Test & Ranking Order
- Syllogisms, Statements & Assumptions
- Non-Verbal Reasoning & Figure Counting
📝 Language Comprehension
- Reading Comprehension Passages
- Vocabulary, Synonyms & Antonyms
- Grammar, Error Spotting & Sentence Correction
- Cloze Test, Idioms & Phrases
- One Word Substitutions & Spelling Check
Preparation Strategy & Cut-Off Trends
Historical scoring benchmarks and safe score targets for RSMSSB Lab Assistant Examination (Prayogshala Sahayak - Science, Geography, Home Science) based on competitive trends:
| Category | Safe Target Percentage | Preparation Focus | Benchmark Accuracy |
|---|---|---|---|
| General (UR) | 75% - 82% | Speed + Negative Control in Reasoning & Quant | 90%+ Accuracy |
| OBC / EWS | 70% - 76% | High Scoring in Current Affairs & Language | 88%+ Accuracy |
| SC / ST | 62% - 70% | Syllabus Coverage & Previous Year Papers | 85%+ Accuracy |
| PwD / Ex-SM | 55% - 65% | Sectional Cut-Off clearance + Accuracy | 82%+ Accuracy |
Official Mock Test Series & CBT Practice
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