Bachelor's Degree In Medical Laboratory Science ( BMLT )

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(BMLT) 100% FREE mock tests designed for NHPC License and Lok Sewa Exams

100% FREE BMLT mock tests, expertly designed to match the NHPC License and Lok Sewa Exam pattern and boost exam readiness.

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1 / 20

Category: NHPC , BMLT

1) Decalcification of bone tissue is performed using :

a) Xylene

b) Ethanol

c) Nitric acid

d) Paraffin

2 / 20

Category: NHPC , BMLT

2) The primary purpose of a cryostat is to :

a) Fix tissues rapidly

b) Cut frozen tissue sections

c) Embed tissues in paraffin

d) Stain slides automatically

3 / 20

Category: NHPC , BMLT

3) Granulomatous inflammation is a key feature of :

a) Tuberculosis

b) Acute appendicitis

c) Myocardial infarction

d) Osteoporosis

4 / 20

Category: NHPC , BMLT

4) Which histological feature is diagnostic of Hodgkin’s lymphoma ?

a) Touton giant cells

b) Reed-Sternberg cells

c) Schiller-Duval bodies

d) Verocay bodies

5 / 20

Category: NHPC , BMLT

5) The classical complement pathway is activated by :

a) Mannose-binding lectin

b) Bacterial lipopolysaccharides

c) Antigen-antibody complexes

d) Alternate pathway factors

6 / 20

Category: NHPC , BMLT

6) Rheumatoid factor (RF) is typically an autoantibody against :

a) Fc region of IgG

b) Cyclic citrullinated peptide

c) Nuclear antigens

d) Cardiolipin

7 / 20

Category: NHPC , BMLT

7) Which antibody class is predominantly involved in mucosal immunity ?

a) IgG

b) IgE

c) IgM

d) IgA

8 / 20

Category: NHPC , BMLT

8) Which cytokine is critical for antiviral defense ?

a) IL-4

b) TNF-α

c) IFN-γ

d) IL-10

9 / 20

Category: NHPC , BMLT

9) Which test detects HIV antibodies using enzyme-linked immunosorbent assay ?

a) Western blot

b) ELISA

c) Immunofluorescence

d) Agglutination

10 / 20

Category: NHPC , BMLT

10) Dysplasia in epithelial tissues refers to :

a) Reversible cellular adaptation

b) Increased cell division

c) Loss of uniformity and architectural orientation

d) Chronic inflammation

11 / 20

Category: NHPC , BMLT

11) A positive tuberculin skin test indicates :

a) Active tuberculosis

b) Latent TB infection

c) BCG vaccine failure

d) Antibody deficiency

12 / 20

Category: NHPC , BMLT

12) The purpose of mounting media in slide preparation is to :

a) Enhance staining

b) Remove wax

c) Permanently preserve and clarify tissue sections

d) Dehydrate tissues

13 / 20

Category: NHPC , BMLT

13) Which of the following is a characteristic histological feature of squamous cell carcinoma ?

a) Psammoma bodies

b) Keratin pearls and intercellular bridges

c) Reed-Sternberg cells

d) Glandular formations

14 / 20

Category: NHPC , BMLT

14) Which of the following is a feature of Barrett’s esophagus ?

a) Squamous metaplasia

b) Intestinal metaplasia

c) Necrotizing granulomas

d) Hyaline arteriosclerosis

15 / 20

Category: NHPC , BMLT

15) Which immunohistochemical marker is positive in most breast carcinomas ?

a) S-100

b) Cytokeratin

c) Vimentin

d) Desmin

16 / 20

Category: NHPC , BMLT

16) Which tumor shows "rosettes" as a histological feature ?

a) Meningioma

b) Neuroblastoma

c) Chondrosarcoma

d) Leiomyoma

17 / 20

Category: NHPC , BMLT

17) Passive immunity is acquired through :

a) Vaccination

b) Maternal IgG crossing placenta

c) Natural infection

d) Memory B-cell activation

18 / 20

Category: NHPC , BMLT

18) Which cell is primarily responsible for antigen presentation in adaptive immunity ?

a) Neutrophil

b) Basophil

c) Dendritic cell

d) Eosinophil

19 / 20

Category: NHPC , BMLT

19) Type I hypersensitivity is mediated by :

a) IgG and complement

b) T cells

c) IgE and mast cells

d) Immune complexes

20 / 20

Category: NHPC , BMLT

20) Graves' disease is caused by autoantibodies targeting :

a) Insulin receptors

b) TSH receptors

c) Glutamic acid decarboxylase

d) Intrinsic factor

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