Kerala PSC Junior Lab Assistant Previous Year Question Papers 2026

Solving Kerala PSC Junior Lab Assistant previous year question papers is one of the most effective strategies for Kerala PSC Junior Lab Assistant exam preparation. It helps candidates understand the latest Kerala PSC exam pattern, question trends and difficulty level set by the Kerala Public Service Commission. 

Regular practice strengthens subject knowledge while improving speed, accuracy and confidence for scoring high marks in the Kerala PSC Junior Lab Assistant recruitment exam.

Kerala PSC Junior Lab Assistant Previous Year Papers Questions (Most Repeated)

1. Acid present in chromic acid solution is 

1. Phosphoric Acid 
2. Nitric Acid 
3. Hydrochloric Acid 
4. Sulphuric Acid 

2. Beer-Lambert law is applied in the instrument  

1. Microscope 
2. Colorimeter  
3. pH meter 
4. Incubator 

3. Laboratory incubator is usually set with a temperature of 

1. 8°C  
2. 56°C  
3. 100°C  
4. 37°C 

4. Which of the following is used to keep chemicals free from water?  

1. Hot air oven  
2. Desiccators  
3. Incubator  
4. Seitz filter 

5. Bleaching powder is prepared from  

1. Benzaldehyde  
2. Gluteraldehyde  
3. Hypochlorite  
4. Sodium chloride 

6. Solution in which no more salt is able to dissolve is 

1. Saturate solution
2. Per cent solution 
3. Molar solution 
4. Standard solution 

7. Which of the following is an inflammable chemical? 

1. Xylene 
2. Chloroform  
3. Alcohol 
4. All the three 

8. Reverse osmosis is used to prepare 

1. Disinfectants 
2. Deionised water 
3. Distilled water 
4. None of these 

9. Example for a chemical that is kept under water 

1. Sodium 
2. Picric acid 
3. Calcium carbonate 
4. Sodium hypochlorite

10. Hospital wastes like used syringe, needle etc. are stored in which coloured bin?

1. Red 
2. Yellow 
3. White 
4. Blue 

11. ABO blood group system was introduced by 

1. Antonie Van Leeuwenhoek 
2. Robert Frost  
3. Louis Pasteur 
4. Karl Landsteiner 

12. In ACD solution erythrocytes get energy from 

1. Glucose 
2. Citric acid  
3. Citrate 
4. Haemoglobin 

13. Which of the following is not investigated during donor selection in blood bank?  

1. Hb 
2. Weight of donor  
3. Relationship with patient 
4. Pulse 

14. Vaccutainer with red top containing 

1. Heparin 
2. EDTA 
3. No anticoagulant 
4. Sodium citrate 

15. Which anticoagulant inhibits thrombin? 

1. Double oxalate
2. EDTA  
3. Citrate
4. Heparin 

16. Which type of the cells present in a healthy adult as 3 lakhs/cu mm of blood ?  

1. RBC 
2. Platelets  
3. Neutrophils 
4. Agranulocytes 

17. Leishman stain is an example for 

1. Romanowsky stains
2. Acidic stains  
3. Basic stains 
4. Supravital stains 

18. RBCs are lysed by acetic acid in 

1. Piolets fluid 
2. Hinglemans fluid  
3. Turkes fluid 
4. Dacies fluid

19. In a centrifuged blood sample, WBC appear 

1. As a top layer  
2. As a bottom layer 
3. Between RBC and platelet 
4. Below the plasma and above the platelets 

20. Reticulocytes are 

1. Immature RBC  
2. Immature WBC 
3. Antibody producing cells  
4. Cells help in blood clotting 

21. Length of westergrens pipette is 

1. 100 cm 
2. 10 cm  
3. 100 mm 
4. 300 mm 

22. For CBC, blood is collected with anticoagulant 

1. No anticoagulant is used 
2. Sodium citrate 
3. EDTA 
4. Double Oxalate 

23. Coulter counter is used for 

1. ESR determination  
2. Prothrombin time 
3. CBC  
4. Blood smear preparation 

24. In case of blood glucose estimation, delay in separation of serum from blood results in

1. High glucose level 
2. Low glucose level 
3. No change 
4. None of the above 

25. In Diabetes Mellitus, fruity odour of urine is due to the presence of

1. Glucose 
2. Protein   
3. Pus cells 
4. Acetone

26. Esbach’s reagent is 

1. Picric acid and citric acid  
2. Acetic acid and picric acid 
3. Acetic acid and citric acid  
4. None of the above 

27. Ketonuria is seen in 

1. Diabetes Mellitus 
2. Alkalosis 
3. Von Gierke’s disease 
4. All the above 

28. HbA_1C level reveals the mean glucose level over a period of  

1. Previous 12-14 weeks 
2. Previous 8-10 weeks  
3. Previous 2-3 weeks 
4. Previous 5-10 days 

29. Renal threshold of glucose is 

1. 120 mg% 
2. 80 mg% 
3. 180 mg% 
4. 140 mg% 

30. Multiple myeloma patient shows 

1. Haemoglobinuria 
2. Alkaptonuria  
3. Myoglobinuria 
4. Bence-Jones proteinuria

Click here to download complete Kerala PSC Junior Lab Assistant PYQ papers

Why Practicing Kerala PSC Junior Lab Assistant PYQ Is Essential for Exam Success?

Practicing Kerala PSC Junior Lab Assistant previous year question papers is one of the most effective strategies to crack the Kerala PSC Junior Lab Assistant Exam 2026. These question papers give candidates a clear idea about the exam pattern, question difficulty and frequently asked topics.

1. Understand the Kerala PSC Junior Lab Assistant Exam Pattern

By solving Kerala PSC Junior Lab Assistant previous question papers, candidates can understand the real exam structure, including the number of questions, marking scheme and time management. This helps reduce exam fear and boosts confidence.

2. Identify Important Topics from the Syllabus

Regular practice of Kerala PSC Junior Lab Assistant old question papers helps candidates identify high-weightage topics from the Kerala PSC Junior Lab Assistant syllabus 2026, especially in General Science, Laboratory Techniques and Basics of Physics, Chemistry or Biology.

3. Improve Speed and Accuracy

Attempting Kerala PSC Junior Lab Assistant model question papers under timed conditions improves speed, accuracy and problem-solving skills. This is crucial for performing well in the PSC objective-type exam.

4. Know the Difficulty Level of the Exam

Previous year question papers reflect the actual difficulty level of the Kerala PSC Junior Lab Assistant recruitment 2026 exam. Practicing them prepares candidates mentally for the type of questions asked by Kerala PSC.

5. Helps in Smart Revision

Instead of revising the entire syllabus repeatedly, practicing Kerala PSC Junior Lab Assistant previous year questions allows smart revision by focusing on repeated and important questions.

6. Boosts Confidence Before the Exam

Solving multiple Kerala PSC Junior Lab Assistant question papers with answers builds confidence and reduces exam stress. Candidates feel more prepared and familiar with the exam format.

7. Essential for Final Exam Preparation

For candidates aiming to score high in the Kerala PSC Junior Lab Assistant Exam 2026, practicing previous year question papers is an essential part of last-minute preparation.

Crack Kerala PSC Junior Lab Assistant Exam 2026 

If you are serious about your Kerala PSC Junior Lab Assistant Preparation 2026, make PYQ, model exams and full-length mock tests a compulsory part of your study plan. The CC Learning App, the best Kerala PSC preparation apps, provides app-based live and recorded classes, expert revision sessions, complete Kerala PSC Junior Lab Assistant syllabus coverage, PSC-oriented mock tests and smart last-minute revision plans with dedicated mentor support.

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Frequently Asked Questions

1. Why are Kerala PSC Junior Lab Assistant previous year question papers important?

Kerala PSC Junior Lab Assistant previous year question papers help candidates understand the real exam pattern, difficulty level, and frequently repeated questions. Practicing PYQs improves accuracy, speed and confidence, making preparation more exam-oriented.

2. Are questions repeated in the Kerala PSC Junior Lab Assistant exam?

Yes, Kerala PSC often repeats questions directly or asks the same concepts in different formats. Regular practice of previous year question papers helps identify repeated and high-weightage topics.

3. How many previous year question papers should I practice for Kerala PSC Junior Lab Assistant Exam 2026?

Candidates are advised to practice at least 10 - 15 Kerala PSC Junior Lab Assistant previous year question papers, along with model exams and mock tests, for effective preparation.

4. Can previous year question papers alone help crack the Kerala PSC Junior Lab Assistant exam?

Previous year question papers are a powerful tool but should be combined with syllabus study, mock tests and revision for best results. PYQs help in smart revision and exam-focused preparation.

5. How should I practice Kerala PSC Junior Lab Assistant PYQs effectively?

Practice PYQs in exam mode with a timer, analyse every answer, note repeated questions and revise weak areas. This improves time management and reduces exam fear.

6. Are Kerala PSC Junior Lab Assistant PYQ papers useful for last-minute revision?

Yes, previous year question papers are ideal for last-minute revision, as they cover repeated and important questions likely to appear in the exam.