Topic Hormones
Asked 5 times across 3 UPSC exams over 43 years (1980–2023), peaking in 1980.
Key insights
- Most tested in CSE — 2 of 5 PYQs
- Most asked in 1980
- Recurs across 5 years (1980–2023)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1980 → NDA 2021 → CDS 2023
How the concept evolved
Rising — more than half its appearances (3 of 5) 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.
CDS2023
Which one of the following is essential for thyroid gland to make thyroxin?
- A NaCl
- B KCl
- C Cholesterol
- D Iodine ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
NDA2022
Which one of the following hormones increases the heartbeat in mammals?
- A Insulin
- B Melatonin
- C Thyroxine
- D Adrenaline ✓
✓ Correct answer: (D)
Science & Technology › Biology & Health
NDA2021
Which one of the following hormones is responsible for the development of female sexual characters ?
- A Prolactin
- B Estrogen ✓
- C Oxytocin
- D Progesterone
✓ Correct answer: (B)
Science & Technology › Biology & Health
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