Graduate Aptitude Test-Biotechnology (GAT-B) 2025 is a prestigious national-level entrance exam conducted for admission to the DBT-Masked Post Graduate (DBT-PG) program in biotechnology in top Indian universities and institutions. Set for 20 April 2025 (Sunday), this computer-based test (CBT) evaluates the knowledge of candidates in basic science and advanced biotechnology concepts.
With 160 MCQs (60 A + 100 in Section B) and 3-hour period, strategic preparation is necessary. This comprehensive GAT B 2025 guide covers the latest courses, section-wise preparation strategies, study plan and specialist-discomfort tips so that you can qualify the exam.
GAT B 2025 Exam Pattern and Marking Scheme
Before diving in preparation, it is necessary to understand the GAT B exam pattern:
| aspect | Description |
|---|---|
| Exam name | GAT Biotechnology 2025 |
| Examination mode | Computer-based test (CBT) |
| Duration | 180 minutes (3 hours) |
| Total Questions | 160 (60 + 100 in Section A in section B) |
| Questions to try | 120 (Section A 60 to Section B to 60) |
| total marks | 240 (Section A: 60, Volume B: 180) |
| Negative marking | Section A: -0.5 per wrong answer Section B: -1 per wrong answer |
GAT B 2025 Preparation Strategy for Block A
GAT B 2025 Section A includes physics, chemistry, biology and mathematics at 10+2 levels, which has 60 mandatory questions (every 1 mark) and 0.5 negative marking for wrong answers. Since all questions should be attempted, a structured preparation strategy is important to maximize accuracy and reduce estimates.
This section tests fundamental scientific concepts, which requires strong ideological clarity and quick problem-solution skills. Below is a wide subject-wise breakdown, which includes the major themes, preparation tips, and recommended resources so that you can help score high in Section A.
| Subject | Key topic | Preparation tips | Recommended books | Weighted (expected) |
|---|---|---|---|---|
| Physics | – Units and dimensions – Speed ​​and Thermodynamics – Physics and Modern Physics |
-Ncert focus on class 11-12 – Practice daily numerical problems – Modify formulas and derivatives |
– NCERT Physics – Concepts of Physics (HC Verma) |
15-20 questions |
| chemistry | – Atomic structure – chemical bonding – Organic reaction system – Thermodynamics |
– Remember the reaction system – Use Flocharts for inorganic Chemistry – Solve previous years questions |
– NCERT Chemistry – Organic Chemistry (Morrison & Bod) |
15-20 questions |
| biology | – cell Biology – Genetics and Development – human physiology – Biotechnology Basics |
– Diagrams are important (eg, mitosis, heart) – Focus on definitions and NCERT examples – Modify genetic disorders |
-NCERT Biology (Class 11-12) – Biology of Truman |
20-25 questions |
| Mathematics | – Algebra – Calculus – Probability and Statistics |
-The focus on high scoring subjects – Practice NCERT problems |
– NCERT Mathematics – RD Sharma (Basics) |
0-5 questions |
Preparation strategy for GAT B 2025 Section B
Section B of GAT B 2025 tests your graduate level knowledge in biotechnology, life science and associated fields. To carry each and -1 negative marking with 100 questions (effort 60), it demands smart selection and deep conceptual understanding of section questions.
| Subject | Key topic | Preparation strategy | Recommended resources | Expected load |
|---|---|---|---|---|
| molecular Biology | – DNA replication/repair – Transcription and translation – PCR, blotting technology |
– Create comparative tables of techniques – Practice diagram labeling – Remember enzyme functions |
– Molecular Biology of Jean (Watson) – NCBI Resource |
25-30 questions |
| Organism | – Enzyme Kinetics – metabolic route – Signal transduction |
– Draw Pathway Maps (Glycoliceis, TCA) – Solve numerical problems on kinetics – Use mnemonics for cycles |
– Lehinger theory – Harper illustrated |
15-20 questions |
| genetic engineering | – RDNA Technology – CRISPR application – Vactor and gene cloning |
– Create Floacle of Cloning Stages – Study the latest biotech advances -Practice Annual Use-based questions |
– Principle of gene manipulation (primaro) – Research paper |
20-25 questions |
| Micrology and immunologist | – Microbial development – Vaccine Development – Antibody structure |
– Prepare comparative charts of germs – Pay attention to industrial applications – Modify immune techniques |
– Microbiology of Prescott – Kuby Immunology |
15-20 questions |
| Bioinformatics | – sequence analysis – Database Search – Structural biology |
– Find Practice Blast/Fasta – Learn file format (Fasta, PDB) – Understand alignment algorithm |
– Bioinformatics (Mount) – NPtel Lecture |
5-10 questions |
20 days GAT B 2025 Study Plan
This structured 20-day war plan is scientifically designed to maximize your GAT B 2025 score in the final stretch before the April 20 examination. The table below presents a day-to-day breakdown for 20 days GAT B 2025 Study Plan:
| phase | Dates | Focus area | Daily tasks | time allocation |
|---|---|---|---|---|
| Rapidly amendment | 1 April – 10 April | – Section A (Physics, Chemistry, Bio) – Section B (Biotech, Microbio) |
– Morning: NCERT Rapid Amendment – noon: diagram and paths – Evening: Mock Test Analysis |
8-10 hours/day |
| Mock test marathon | April 11 – 17 April | -The fake with full-length – Improvement in weak area |
– 1 mock test daily (3 hours) – 3 hours detailed analysis – 2 hours flashcard |
8 hours/day |
| Last 48-hour sprint | 18 April – 19 April | – light revision – Mental prep |
– 18 April: Short notes + sutra – 19 April: Mnemonics only (no new subject) |
3-4 hours/day |
| Exam day | 20 April | – time management – Smart Efforts |
– section A: 60 minutes – Section B: 120 minutes – There is no estimate in section B |
3 hours |
Gat b 2025 preparation tips
- Prefer high load subjects (eg, molecular biology, RDNA technology)
- Avoid random estimates (negative marking score pain)
- Use visual AIDS (diagram, path for the route)
- Solve last year’s papers (identify questions to be repeated)
- Join online study groups (discuss doubts with colleagues)
- Stay updated with biotech news (recent progress may appear)
- Mock tests are important (improve speed and accuracy)
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