Railway Lab Assistant Syllabus


A two-stage selection process will be used for the RRB Lab Assistant position, with a computer-based test followed by document verification for the short-listed candidates. For each incorrect response on the RRB Lab Assistant exam, a negative marking scheme of 1/3 mark will be applied.

RRB Lab Assistant Syllabus and Exam Pattern will be available soon on the Railway Recruitment Board’s (RRB) official website. To score more than the RRB Lab Assistant Cut-Off marks and be shortlisted for the position, candidates need to have a clear understanding of the syllabus and exam pattern.

Railway Lab Assistant Exam Pattern Highlights

Some of the basic information about the exam pattern of the Railway Lab Assistant exam is provided below. However, the candidates going for the test must study the complete Railway Lab Assistant exam pattern before they start preparing.

Name of the Exam
Railway Lab Assistant
Conducting Authority
Railway Recruitment Board
Exam Level
National Level
Mode of Exam
Number of Stages
Two Stages
Number of Papers
One Paper
Marking Scheme
For every correct answer +1 Mark
For every incorrect answer – 1/3 Mark
Duration90 minutes
Type of Questions
Multiple-choice questions
Official Website

RRB Lab Assistant Syllabus 2023

The RRB Lab Assistant syllabus will assist applicants in determining what topics to study for the exam and how to cover the whole syllabus before the exam. Candidates who meet all of the RRB Lab Assistant Eligibility Criteria should carefully review the information below. The details of the officially released syllabus for the computer-based test are listed in the table below.

RRB Lab Assistant Syllabus: Professional Ability

  • Anatomy
  • Physiology
  • Biochemistry
  • Fundamentals of Medical Laboratory Technology
  • Microbiology
  • Clinical biochemistry
  • Pathology & Histopathology
  • Hematology and Blood and bank
  • General Awareness
  • Knowledge of Current affairs
  • Indian geography
  • culture and history of India
  • Freedom struggle
  • Indian Polity and constitution
  • Indian Economy
  • Environmental issues concerning India and the World
  • Sports
  • General scientific and technological developments etc.

RRB Lab Assistant Syllabus: General Arithmetic

  • Number systems
  • Decimals
  • Fractions
  • LCM and HCF
  • Ratio and Proportion
  • Percentages
  • Mensuration
  • Time and Work
  • Time and Distance
  • Simple and Compound Interest
  • Profit and Loss
  • Algebra
  • Geometry
  • Trigonometry
  • Elementary Statistics
  • Square Root
  • Age Calculations
  • Calendar & Clock
  • Pipes & Cistern

RRB Lab Assistant Syllabus: General Intelligence & Reasoning

  • Analogies
  • Alphabetical and Number Series
  • Coding and Decoding
  • Mathematical operations
  • Relationships
  • Syllogism
  • Jumbling
  • Venn Diagram
  • Data Interpretation and Sufficiency
  • Conclusions and Decision Making
  • Similarities and Differences
  • Analytical reasoning
  • Classification
  • Directions
  • Statement – Arguments and Assumptions etc.

RRB Lab Assistant Syllabus: General Science

The questions asked from the General Science section will be of the CBSE syllabus up to 10th Standard

  • Physics
  • Chemistry
  • Biology

RRB Lab Assistant General Science Syllabus: Biology

  • Classification of Organisms
  • Cytology
  • Genetics
  • Structure of Plant and Animal Cell
  • Classification of Plant Kingdom
  • Photosynthesis
  • Mode of Nutrition in Plant
  • Control and Coordination in Plant
  • Sexual Reproduction in Flowering Plant
  • Asexual Reproduction in Plants
  • The Transport system in Plant
  • Respiration and Excretion in plants
  • The Cell
  • Cell’s Structure and Functions
  • Control and Coordination
  • Human Reproductive system
  • Excretory system in Humans
  • Respiratory system in Humans
  • Human Circulatory system
  • The Heart
  • Composition of Blood
  • Functions of Blood
  • Human Digestive system
  • Cell Division
  • Food and Nutrition

RRB Lab Assistant Science Syllabus: Physics

  • Units & Dimensions
  • Motion in a straight line
  • Work, Energy, and PowerGravitation
  • Force and Pressure
  • Floatation and Buoyancy
  • Surface Tension
  • Viscosity and flow
  • Elasticity
  • Simple Harmonic Motion
  • Wave
  • Sound Wave
  • Heat & Thermodynamics
  • Light
  • Static Electricity
  • Current Electricity
  • Magnetic effects of electric current
  • Atomic and Nuclear Physics
  • Scientific equipment
  • Inventions and Discoveries
  • Radioactivity
  • Nuclear fission and fusion
  • Electromagnetism
  • Fundamental forces in nature
  • The kinetic theory of matter
  • Magnetic effect of electric current
  • The Human eye and its Defects

RRB Lab Assistant Science Syllabus: Chemistry

  • Matter and its state
  • Atomic Structure
  • Chemical Bonding
  • Periodic Classification of Element
  • Oxidation and Reduction
  • Acids, Base, and Salts
  • Behavior of Gasses
  • Electrolysis
  • Carbon and its Compound
  • Fuels
  • Metallurgy
  • Metals and Non-metals
  • Chemical Reactions
  • Radioactivity
  • Electrochemistry
  • Catalyst
  • Hydrocarbons
  • List of important Drugs and Chemicals

RRB Lab Assistant FAQs

Ques. What is the selection process of the Railway Lab Assistant Recruitment 2023?

Ans. Candidates will be hired based on their performance in the Written Examination and the Personality Test. Candidates who pass the written test will be invited to take the personality and medical tests. The RRBs will disclose the final merit list, which will include the names of qualified candidates when they have completed all of the phases.

Ques. What is the selection procedure of the Railway Lab Assistant Recruitment 2023?

Ans. The Railway Lab Assistant Recruitment 2023 selection process is broken into three stages. The first step consists of a written examination given to all candidates on a nationwide basis. The exam will take 90 minutes to complete.

The second stage is the personality test or interview, which is open to qualified candidates who have passed the written exam. After that, a final merit list is created to invite candidates to the next phase of the process, which is document verification.

Ques. Is it necessary to cover all the topics mentioned in the RRB Lab Assistant syllabus?

Ans. Candidates are usually recommended to go over all of the topics in the RRB Lab Assistant curriculum because they never know what questions will be asked in the test.

Ques. What books are recommended for the preparation of RRB Lab Assistant 2023?

Ans. These are some of the books candidates may refer to for their RRB Lab Assistant recruitment exam

  • Start with Why: How Great Leaders Inspire Everyone to Take Action By- Simon Sinek
  • General Knowledge 2021 By- Manohar Pandey
  • Fast Track Objective Arithmetic By- Rajesh Verma
  • A modern approach to logical reasoning By- S. Chand
  • Encyclopedia for General Science for Competitive Exams By- Arihant Express

Ques. Are there any negative marks in the examination of the Railway Lab Assistant Recruitment 2023?

Ans. Yes, the exam has a negative marking system. A third of a point will be deducted for each incorrect answer. However, there is no negative marking for unanswered questions.

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