MCQ on Medical Laboratory Technology | Medical MCQ | Technician Assistant | Junior Lab Assistant Questions

 1. Acid present in chromic acid solution is

A) Phosphoric Acid B) Nitric Acid

C) Hydrochloric Acid D) Sulphuric Acid

2. Beer-Lambert law is applied in the instrument

A) Microscope B) Colorimeter

C) pH meter D) Incubator

3. Laboratory incubator is usually set with a temperature of

A) 8°C B) 56°C C) 100°C D) 37°C

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

A) Hot air oven B) Desiccators

C) Incubator D) Seitz filter

5. Bleaching powder is prepared from

A) Benzaldehyde B) Gluteraldehyde

C) Hypochlorite D) Sodium chloride

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

A) Saturate solution B) Percent solution

C) Molar solution D) Standard solution

MCQ on Medical Laboratory Technology  | Medical MCQ  | Technician Assistant |  Junior Lab Assistant Questions

7. Which of the following is an inflammable chemical?

A) Xylene B) Chloroform

C) Alcohol D) All the three

8. Reverse osmosis is used to prepare

A) Disinfectants B) Deionised water

C) Distilled water D) None of these

9. Example for a chemical that is kept under water

A) Sodium B) Picric acid

C) Calcium carbonate D) Sodium hypochlorite

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

A) Red B) Yellow C) White D) Blue

11. ABO blood group system was introduced by

A) Antonie Van Leeuwenhoek B) Robert Frost

C) Louis Pasteur D) Karl Landsteiner

12. In ACD solution erythrocytes get energy from

A) Glucose B) Citric acid

C) Citrate D) Haemoglobin

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

A) Hb B) Weight of donor

C) Relationship with patient D) Pulse

14. Vaccutainer with red top containing

A) Heparin B) EDTA

C) No anticoagulant D) Sodium citrate

15. Which anticoagulant inhibit thrombin ?

A) Double oxalate B) EDTA

C) Citrate D) Heparin

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

A) RBC B) Platelets

C) Neutrophils D) Agranulocytes

17. Leishman stain is an example for

A) Romanowsky stains B) Acidic stains

C) Basic stains D) Supravital stains

18. RBCs are lysed by acetic acid in

A) Piolets fluid B) Hinglemans fluid

C) Turkes fluid D) Dacies fluid
19. In a centrifuged blood sample, WBC appear

A) As a top layer

B) As a bottom layer

C) Between RBC and platelet

D) Below the plasma and above the platelets

20. Reticulocytes are

A) Immature RBC

B) Immature WBC

C) Antibody producing cells

D) Cells help in blood clotting

21. Length of westergrens pipette is

A) 100 cm B) 10 cm

C) 100 mm D) 300 mm

22. For CBC, blood is collected with anticoagulant

A) No anticoagulant is used B) Sodium citrate

C) EDTA D) Double Oxalate

23. Coulter counter is used for

A) ESR determination

B) Prothrombin time


D) Blood smear preparation

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

A) High glucose level B) Low glucose level

C) No change D) None of the above

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

A) Glucose B) Protein

C) Pus cells D) Acetone


1. D) Sulphuric Acid

2. B) Colorimeter

3. D) 37°C

4. B) Desiccators

5. C) Hypochlorite

6. A) Saturate solution

7. D) All the three

8. B) Deionised water

9. B) Picric acid

10. C) White

11. D) Karl Landsteiner

12. A) Glucose

13. C) Relationship with patient

14. C) No anticoagulant

15. D) Heparin

16. B) Platelets

17. A) Romanowsky stains

18. C) Turkes fluid

19. C) Between RBC and platelet

20. A) Immature RBC

21. D) 300 mm

22. C) EDTA

23. C) CBC

24. B) Low glucose level

25. D) Acetone

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