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Previous Year Question Patterns
| Year | Marks | Question | Sub-domain |
|---|---|---|---|
| 2013 | 5 | GMO crops — Bt crops and biosafety concerns | Genetic engineering |
| 2013 | 5 | Biosensors and biochips — applications | Biotech |
| 2016 | 10 | Immunity — innate vs. adaptive; B cell and T cell roles | Immunity |
| 2018 | 5 | Fermentation — types and industrial applications | Fermentation |
| 2021 | 5 | RT-PCR test for COVID-19 — principle and what Ct value indicates | Diagnostics |
| 2021 | 10 | Vaccines — types, principle of vaccination, herd immunity | Vaccines |
| 2023 | 5 | CRISPR-Cas9 — what is it and one application | CRISPR |
| 2023 | 5 | Stem cells — types (embryonic vs adult) and therapeutic potential | Biotechnology |
| 2024 | 5 | Blood groups: ABO system with transfusion compatibility | Human physiology |
Pattern for 2026:
- mRNA vaccine technology (Nobel Prize 2023) — not yet in depth in any exam.
- CRISPR CASGEVY approval (2023) — first therapeutic application.
- Artificial organs (3D bioprinting, Jaipur Foot) — new in 2026 syllabus.
- GMO ethics (Bt brinjal moratorium, Golden Rice controversy) — always examiner-favourite.