Topic Vitamins
Asked 11 times across 4 UPSC exams over 46 years (1979–2025), peaking in 1980.
Key insights
- Most tested in CSE — 5 of 11 PYQs
- Most asked in 1980
- Recurs across 8 years (1979–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1979 → CDS 2014 → NDA 2021 → CISF 2023
How the concept evolved
Long-running — most appearances (6 of 11) predate 2016, and it still returns.
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.
NDA2025
Vitamin B1 is also known as
- A Riboflavin
- B Thiamin ✓
- C Retinol
- D Tocopherol
✓ Correct answer: (B)
Science & Technology › Biology & Health
CISF2023
Who among the following is considered as the 'Father of Vitamin therapy'?
- A Christiaan Eijkman
- B Frederick Hopkins
- C Casimir Funk ✓
- D Robert Woodward
✓ Correct answer: (C)
Science & Technology › Biology & Health
NDA2021
Intestinal bacteria are main source of which one of the following vitamins ?
- A Vitamin E
- B Vitamin C
- C Vitamin B12 ✓
- D Vitamin A
✓ Correct answer: (C)
Science & Technology › Biology & Health
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