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Topic

Immunity

Asked 7 times across 5 UPSC exams over 46 years (1979–2025), peaking in 2025.
7
PYQs
5
Exams
7
Years active
1979–2025
Span
2025
Peak
7/7
Answers
📅 Full chronological timeline →

Key insights

  • Most tested in CSE — 3 of 7 PYQs
  • Most asked in 2025
  • Recurs across 7 years (1979–2025)

How it travelled across exams

First appearance in each exam — the same idea, reframed.
CSE 1979 CAPF 2016 CDS 2018 EPFO 2020 NDA 2024

How the concept evolved

179
182
116
118
120
124
125
Rising — more than half its appearances (5 of 7) are since 2016.

Related concepts

Ideas UPSC tests alongside this one — keep exploring.

Sample questions

You've seen the pattern — here are a few of the actual PYQs.
CSE2025

With reference to the Indian polity, consider the following statements

  1. The Governor of a State is not answerable to any court for the exercise and performance of the powers and duties of his/her office
  2. No criminal proceedings shall be instituted or continued against the Governor during his/her term of office
  3. Members of a State Legislature are not liable to any proceedings in any court in respect of anything said within the House

Which of the statements given above are correct?

  1. A I and II only
  2. B II and III only
  3. C I and III only
  4. D I, II and III ✓
✓ Correct answer: (D)
Polity & Governance › Union & State Executive
NDA2024
Which one among the following cells produces antibodies against a foreign antigen?
  1. A Lymphocytes ✓
  2. B Erythrocytes
  3. C Eosinophils
  4. D Platelets
✓ Correct answer: (A)
Science & Technology › Biology & Health
EPFO2020
The word 'Vaccine' has been derived from a Latin word having meaning
  1. A Antibody
  2. B Immunity
  3. C Cow ✓
  4. D Guinea pig
✓ Correct answer: (C)
Science & Technology › Biology & Health

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