Sample questions
You've seen the pattern — here are a few of the actual PYQs.
CDS2022
Mutation in a virus is caused due to a change in its :
- A cell size.
- B genetic material. ✓
- C shape.
- D colour.
✓ Correct answer: (B)
Science & Technology › Biology & Health
CDS2018
Which one of the following statements explains higher mutation rate and faster evolution found in RNA virus?
- A RNA is relatively unstable compared to DNA. ✓
- B Virus can multiply only within the living cell of a host.
- C Metabolic processes are absent in virus.
- D Virus can remain latent for a long period.
✓ Correct answer: (A)
Science & Technology › Biology & Health
Study how UPSC repeats — not just the papers
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① Cross-exam learning — see the same idea recur across CSE, CAPF, CDS and NDA.
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