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100+ Free RRB Lab Technician Practice Questions

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2026 Statistics

Key Facts: RRB Lab Technician Exam

100 MCQs

CBT question count

RRB CEN 04/2024 Paramedical Categories

90 minutes

Exam duration

RRB CEN 04/2024 Paramedical Categories

1/3 negative

Marking scheme deduction

RRB CEN 04/2024 Paramedical Categories

70% weight

Professional Ability section

RRB CEN 04/2024 Paramedical Categories

INR 500 / 250

UR-OBC / SC-ST-Female fees

RRB CEN 04/2024 Paramedical Categories

RRB Laboratory Technician is a 90-minute CBT with 100 MCQs testing medical laboratory sciences and general aptitude with 1/3 negative marking.

Sample RRB Lab Technician Practice Questions

Try these sample questions to test your RRB Lab Technician exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which of the following enzymes is most specific for diagnosing a myocardial infarction?
A.Creatine Kinase
B.Troponin I
C.Lactate Dehydrogenase
D.Alkaline Phosphatase
Explanation: Troponin I is a highly specific marker for cardiac muscle damage.
2What is the primary function of albumin in the blood?
A.Transporting oxygen
B.Blood clotting
C.Maintaining colloidal osmotic pressure
D.Immune defense
Explanation: Albumin is crucial for maintaining colloidal osmotic pressure and preventing edema.
3Which condition is characterized by an elevated level of bilirubin in the blood?
A.Anemia
B.Leukemia
C.Diabetes
D.Jaundice
Explanation: Jaundice is caused by hyperbilirubinemia, leading to yellowing of the skin.
4The normal fasting blood glucose range for an adult is approximately:
A.70-100 mg/dL
B.110-140 mg/dL
C.150-180 mg/dL
D.40-60 mg/dL
Explanation: The normal fasting blood glucose is usually between 70 and 100 mg/dL.
5Which electrolyte is primarily intracellular?
A.Sodium
B.Potassium
C.Chloride
D.Bicarbonate
Explanation: Potassium is the major intracellular cation.
6What test is most useful for estimating long-term glucose control over the past 2-3 months?
A.Fasting blood sugar
B.Oral glucose tolerance test
C.HbA1c
D.Postprandial sugar
Explanation: HbA1c reflects average blood glucose levels over the lifespan of red blood cells (120 days).
7Elevated levels of uric acid are typically associated with:
A.Diabetes
B.Asthma
C.Osteoporosis
D.Gout
Explanation: Hyperuricemia leads to the deposition of urate crystals, causing gout.
8Which enzyme is most specific to the pancreas?
A.Amylase
B.Lipase
C.AST
D.ALT
Explanation: Lipase is highly specific to pancreatic damage such as pancreatitis.
9Which lipid fraction is known as the 'good cholesterol'?
A.LDL
B.VLDL
C.HDL
D.Chylomicrons
Explanation: High-density lipoprotein (HDL) transports cholesterol from tissues to the liver for excretion.
10The end product of protein metabolism is:
A.Glucose
B.Fatty acids
C.Lactic acid
D.Urea
Explanation: Urea is formed in the liver from ammonia during protein catabolism.

About the RRB Lab Technician Exam

RRB Laboratory Technician Exam is a computer-based test conducted for recruiting Lab Technicians and Assistants in Indian Railways. The exam consists of 100 questions testing clinical biochemistry, hematology, microbiology, pathology, general math, reasoning, and science.

Assessment

Single-stage CBT. 70 professional questions and 30 general questions (General Awareness, Arithmetic/Reasoning, General Science). Negative marking of 1/3 per wrong answer.

Time Limit

90 minutes

Passing Score

Minimum qualifying marks: UR/EWS 40%, OBC/SC 30%, ST 25%

Exam Fee

INR 500 (General/OBC/EWS); INR 250 (SC/ST/PwBD/Female/Minorities) (Railway Recruitment Board (RRB))

RRB Lab Technician Exam Content Outline

~20%

Clinical Biochemistry

Carbohydrate metabolism, kidney/liver function tests, lipids, and automated analysis

~20%

Hematology and Blood Banking

Anemia, coagulation, blood grouping, cross-matching, donor selection, and blood components

~20%

Medical Microbiology and Serology

Bacteriology, virology, mycology, staining techniques (Gram, ZN), ELISA, and Widal tests

~20%

Clinical Pathology and Histopathology

Urinalysis, semen analysis, CSF, tissue processing, microtomy, and routine/special stains

~20%

Lab Safety, QC & Management

BMW rules, sterilization, quality assurance (IQC, EQAS), and laboratory information systems

How to Pass the RRB Lab Technician Exam

What You Need to Know

  • Passing score: Minimum qualifying marks: UR/EWS 40%, OBC/SC 30%, ST 25%
  • Assessment: Single-stage CBT. 70 professional questions and 30 general questions (General Awareness, Arithmetic/Reasoning, General Science). Negative marking of 1/3 per wrong answer.
  • Time limit: 90 minutes
  • Exam fee: INR 500 (General/OBC/EWS); INR 250 (SC/ST/PwBD/Female/Minorities)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

RRB Lab Technician Study Tips from Top Performers

1Focus on biomedical waste management categories and color coding in India.
2Review key staining protocols, particularly Gram staining and Acid-Fast Bacilli (AFB) staining.
3Study the clinical significance of basic hematological parameters (MCV, MCH, platelets) and coagulation panels.

Frequently Asked Questions

What is the exam structure for RRB Lab Technician?

The exam consists of 100 questions in 90 minutes. 70 questions are from Medical Laboratory Technology, and 30 are from general sections. Negative marking of 1/3 applies.

What qualifications are required for RRB Lab Technician?

Candidates typically need a B.Sc. in Medical Laboratory Technology (MLT) or a Diploma in MLT (DMLT) from a recognized board/university.