Hypersensitivity
- Previous year questions on Hypersensitivity for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Microbiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 41 live questions in Hypersensitivity.
- 1 of 41 questions carries a verified exam year: 2019.
- Microbiology is worth about 20 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 5 Sept 2026.
Q1.schultz dale phenomenon the following is true statements :
- Aanaphylaxis in vitro✓ Correct answer
- Btest to detect atopy
- Ctype v hypersensitivity reaction
- Dtest for allergic contact dermatitis
Q2.Which of the following is not a feature of anaphylaxis?
- ADelayed reaction✓ Correct answer
- BImmediate reaction
- CPassive transfer by serum
- DNone of the above
Q3.When horse serum is injected intravenously in to a rabbit and again in to the skin two or three weeks later, what is the necrotising reaction that occurs at the site of the second injection?
- AAtopy
- BAnaphylaxis
- CArthus phenomenon✓ Correct answer
- DSerum sickness
Q4.In chronic allergy which Ig are more persistent in the body?
- AIg G
- BIg E✓ Correct answer
- CIg A
- DIg M
Q5.Antibody in chronic allergy ?
- AIgM
- BIgA
- CIgG
- DIgE✓ Correct answer
Q6.The type of Allergic reaction seen in Allergic fungal sinusitis is -
- AType 1 and Type 2
- BType 2 and Type 3
- CType 1 and Type 3✓ Correct answer
- DType 4 and Type 1
Q7.NOT an immune complex hypersensitivity reaction:
- AGoodpasture syndrome✓ Correct answer
- BSLE
- CArthus reaction
- DPost-streptococcal glomerulonephritis
Q8.Which of the following responses is found in atopic individuals -
- AIgM production
- BIgE production✓ Correct answer
- CIgA production
- DHypogammaglobulinemia
Q9.The tuberculin test:
- ADepends on activation of naive CD8 T cells by tuberculin antigen
- BRequires rapid activation of naive CD4 T cells
- CInvolves no antigen presentation at the injection site
- DIs dependent on memory Th1 cells✓ Correct answer
Q10.Myasthenia gravis is which type of hypersensitivity
- AType I
- BType II✓ Correct answer
- CType III
- DType IV
Answer key
Q1: A. anaphylaxis in vitro; Q2: A. Delayed reaction; Q3: C. Arthus phenomenon; Q4: B. Ig E; Q5: D. IgE; Q6: C. Type 1 and Type 3; Q7: A. Goodpasture syndrome; Q8: B. IgE production; Q9: D. Is dependent on memory Th1 cells; Q10: B. Type II.
Other topics in Microbiology
- Principles of General Microbiology
- Cells and Organs of the Immune System
- Immune System: Organisation, Function and Response
- Disorders of Immunity
- Streptococci and Enterococci
- Staphylococci
- Corynebacterium, Listeria and Actinomyces
- Clostridium and Bacillus
- Non-Sporing Anaerobes
- Mycobacterium Tuberculosis
- Mycobacteria Other Than Tuberculosis
- Escherichia, Proteus and Klebsiella
- Shigella and Salmonella
- Vibrio and Campylobacterales
- Pseudomonas and Burkholderiales
- Haemophilus
- Yersinia, Brucella, Bartonella and Legionella
- Gram-Negative Cocci
- Rickettsia, Chlamydia and Mycoplasma
- Spirochetes
- Virus Structure and General Properties
- DNA Viruses
- Hepatitis
- HIV
- Myxoviruses and Rhabdoviruses
- Arboviruses and Picornaviruses
- Rubella, Coronaviruses, Prions, Rotavirus, Filovirus, Zika Virus and Nipah Virus
- Superficial and Systemic Fungal Infections
- Opportunistic Fungal Infections
- Principles of Parasitology
- Protozoa: Amoebae, Ciliates and Flagellates
- Protozoa: Sporozoa
- Helminths: Cestodes and Trematodes
- Helminths: Nematodes
- Applied Clinical Microbiology