GAT-B 2022 Question Paper with Keys & Explanations PDF Download | helpBIOTECH Academy
At helpBIOTECH Academy, we're committed to helping biotech aspirants succeed! The Graduate Aptitude Test - Biotechnology (GAT-B) 2022, conducted by the National Testing Agency (NTA) for the Department of Biotechnology (DBT), was held on April 23, 2022. This CBT exam qualified candidates for DBT-supported M.Sc./M.Tech programs in Biotechnology and allied fields. Over 8,000+ students participated, with results out in May 2022.
Pattern: Section A (60 compulsory MCQs, 1 mark each, 10+2 level in Physics, Chemistry, Maths, Biology & Aptitude; -0.5 negative marking) and Section B (100 MCQs at graduate biotech level, attempt 60, 3 marks each; -1 negative). Total: 240 marks.
Here's the detailed analysis of topic-wise questions and marks from the actual GAT-B 2022 Biotechnology paper (conducted on April 23, 2022). This breakdown covers Section A (10+2 level basics, 1 mark each) and Section B (graduate-level biotech concepts, mostly 3 marks each). High-weightage units include Techniques, Biochemistry, Molecular Biology, Microbiology, and Genetics — focus on these for upcoming exams like GAT-B 2026!
GAT-B 2022 - Unit-Wise Question & Marks Distribution (Memory-Based Analysis)
GAT-B 2022 was moderate to difficult overall. Section A was conceptual and scoring (e.g., physics on SHM, optics; chemistry on acids), while Section B was analytical (heavy on rDNA techniques, enzymes, replication). Good attempts: 45-50 in A, 50-55 in B for 150+ marks.
| S.No | Unit / Topic | Section A Questions (1 mark each) | Section B Questions (3 marks each, attempted 60/100) | Total Marks (Approx.) |
|---|---|---|---|---|
| 1 | Physics (Mechanics, Optics, Electromagnetism) | 8-10 | 0 | 8-10 |
| 2 | Chemistry (Organics, Acids, Kinetics) | 12-15 | 0 | 12-15 |
| 3 | Mathematics / Aptitude (Probability, Geometry) | 12-15 | 0 | 12-15 |
| 4 | Biology Basics (10+2 Level) | 20-25 | 0 | 20-25 |
| 5 | Biochemistry (Enzymes, Proteins, Metabolism) | 0 | 14-18 | 42-54 |
| 6 | Molecular Biology (Replication, Translation, Operons) | 0 | 14-18 | 42-54 |
| 7 | Genetics & Evolution (Mendelian, Disorders, Drift) | 0 | 10-12 | 30-36 |
| 8 | Immunology (Cells, Vaccines, MHC) | 0 | 8-10 | 24-30 |
| 9 | Recombinant DNA Technology & Techniques | 0 | 30-34 | 90-102 |
| 10 | Cell Biology & Signaling | 0 | 3-5 | 9-15 |
| 11 | Microbiology & Virology | 0 | 12-14 | 36-42 |
| 12 | Plant & Animal Physiology / Biotechnology | 0 | 3-5 | 9-15 |
| 13 | Ecology, Taxonomy, Bioinformatics | 0 | 1-3 | 3-9 |
Key Insights from GAT-B 2022 Paper:
- Overall Difficulty: Moderate-High (Section A: Easy-Moderate; Section B: Difficult due to analytical rDNA questions).
- High-Weightage in Section B: Techniques (32 questions, ~96 marks) — focus on recombinant DNA, tissue culture; Biochemistry/Molecular Biology (16 each, ~48 marks each) on enzymes, replication.
- Trends vs. Later Years: 2022 emphasized techniques more than 2023 (20 questions) but similar to 2024; less on developmental biology/ecology (0-2 questions).
- Cutoff (2022): General ~120-130 marks, OBC ~110-120, SC/ST ~70-90 (official via RCB).
- Tip: Prioritize practical biotech (rDNA, immunology) for 2026 — use this PDF for mocks!