Home / Topic / Cryogenics
Topic Cryogenics
Asked 2 times across 2 UPSC exams over 23 years (1999–2022), peaking in 1999.
Key insights
- Most tested in CSE — 1 of 2 PYQs
- Most asked in 1999
- Recurs across 2 years (1999–2022)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CSE 1999 → CDS 2022
How the concept evolved
Long-running — most appearances (1 of 2) predate 2016, and it still returns.
Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2022
Storage of biological tissues such as blood, organs, semen requires low temperature which is achieved upon the usage of
- A Liquid nitrogen ✓
- B Solid carbon dioxide
- C Liquid air
- D Helium
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
CSE1999
Low temperatures (Cryogenices) find application in (1999)
- A space travel, surgery and magnetic levitation ✓
- B surgery, magnetic levitation and telemetry
- C space travel, surgery and telemetry
- D space travel, magnetic levitation and telemetry
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
Study how UPSC repeats — not just the papers
₹199 / 1 year · Founding Member
Full access unlocks the three things no PYQ PDF gives you:
① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
② Topic evolution — how each idea is framed, year by year.
③ Question intelligence — every PYQ + answer, linked to related concepts and similar questions.
e.g. Round Table Conference: CDS 2017 → CSE 2017 → … → CAPF 2024
15 days free, no card required — then ₹199 for 1 year.
Start your 15-day free trial →