Topic Polymers
Asked 13 times across 4 UPSC exams over 8 years (2017–2025), peaking in 2022.
Key insights
- Most tested in CDS — 4 of 13 PYQs
- First appeared in CDS 2017 — 4 years before CSE 2021 (allied exams preview CSE)
- Most asked in 2022
- Recurs across 7 years (2017–2025)
How it travelled across exams
First appearance in each exam — the same idea, reframed.
CDS 2017 → CAPF 2017 → CSE 2021 → ESE 2022
How the concept evolved
Rising — more than half its appearances (13 of 13) 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.
CDS2025
Why do plastics not degrade easily ?
- A They have strong ionic bonds.
- B They have strong covalent bonds.
- C They have strong metallic bonds.
- D They have very high melting points (> 500°C).
Answer key not yet available (pending official release)
Science & Technology › Physics & Chemistry
ESE2025
The long chain molecules are randomly oriented in
- A Plastic
- B Metal
- C Diamond
- D Coal
Answer key not yet available (pending official release)
Engineering › Mechanical
CSE2024
In which of the following are hydrogels used ?
- Controlled drug delivery in patients
- Mobile air-conditioning systems
- Preparation of industrial lubricants
Select the correct answer using the code given below :
- A 1 only ✓
- B 1 and 2 only
- C 2 and 3 only
- D 1, 2 and 3
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
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