GAT B 2026 Chemistry covers approximately 15 questions in Section A - all from Physical, Organic, and Inorganic Chemistry at 10+2 NCERT level, with 1 mark each and minus 0.5 for a wrong answer. Download the sample papers and last 5 years PYQ PDFs below, then check the topic wise weightage table to see which Chemistry chapters appear most.
Official website: rcb.res.in
- Chemistry in Section A: approximately 15 out of 60 compulsory questions (shared with Physics, Biology, Mathematics)
- Section A marking: plus 1 for correct, minus 0.5 for wrong answer
- Section B: 100 questions, attempt 60 - Graduate-level Biotechnology at 3 marks each, minus 1 for wrong answer
- Total marks: 240 (Section A: 60 marks plus Section B: 180 marks)
- Duration: 3 hours | Mode: Computer-based test | Conducted by: NTA, RCB, DBT
GAT B Chemistry Sample Papers 2026 - Download PDF
| Sample Paper | PDF Download |
|---|---|
| GAT B Chemistry Sample Paper 1 | Download PDF |
| GAT B Chemistry Sample Paper 2 | Download PDF |
| GAT B Chemistry Sample Paper 3 | Download PDF |
| GAT B Chemistry Sample Paper 4 | Download PDF |
| GAT B Chemistry Sample Paper 5 | Download PDF |
| GAT B Chemistry Sample Paper 6 | Download PDF |
| GAT B Chemistry Sample Paper 7 | Download PDF |
PDFs will be updated as new papers are added. Bookmark this page.
| Year | Paper Type | Solutions | Source |
|---|---|---|---|
| 2025 | Full Paper | Available | Collegedunia |
| 2024 | Full Paper | Available | Collegedunia |
| 2023 | Full Paper | Available | Collegedunia |
| 2022 | Full Paper | Available | Collegedunia |
| 2021 | Full Paper | Available | Collegedunia |
Start with 2024 and 2025 - these reflect the current Section A Chemistry style.
GAT B Chemistry Exam Pattern and Marks Distribution 2026
- Section A: 60 compulsory MCQs from Chemistry, Physics, Biology, and Mathematics - approximately 15 questions per subject
- Marking: plus 1 correct, minus 0.5 wrong in Section A; plus 3 correct, minus 1 wrong in Section B
- Section B: 100 questions - attempt any 60 - Graduate-level Biotechnology content
- Duration: 3 hours total for the complete paper
GAT B Sample Papers with NCERT Chemistry Mapping - Why 2024 Papers Matter Most
GAT B Chemistry questions in Section A map directly to NCERT Class 11 and 12 - same lines, same reactions, same numerical formats. Solving 2024 and 2025 PYQs first shows you exactly which NCERT sections keep reappearing.
- Post-2022 papers favor conceptual one-liners from Equilibrium and Electrochemistry over multi-step Physical Chemistry numericals.
- Biomolecules and Polymers knowledge from Section A also strengthens your Section B Biology-adjacent responses.
- At minus 0.5 per wrong answer, skipping an uncertain Chemistry question is better than guessing with no elimination.
GAT B Chemistry Topic Wise Weightage - High Scoring Topics to Focus in Sample Papers
| Topic | Estimated Questions | Difficulty | What to Watch For |
|---|---|---|---|
| Biomolecules (Amino Acids, Proteins, Nucleic Acids) | 2-3 | Easy-Moderate | pKa of amino acids, Watson-Crick base pairs, enzyme classes |
| Chemical Equilibrium and Ionic Equilibrium | 2 | Moderate | Henderson-Hasselbalch equation, buffer pH, Ksp problems |
| Thermodynamics and Thermochemistry | 2 | Moderate | Gibbs free energy sign, Hess's law, spontaneity conditions |
| Coordination Compounds | 1-2 | Moderate | IUPAC naming, crystal field splitting, magnetic moments |
| Organic Reaction Mechanisms | 1-2 | Moderate-Hard | SN1 vs SN2, electrophilic aromatic substitution, carbonyl chemistry |
| Electrochemistry | 1-2 | Moderate | Nernst equation, standard cell potential, electrolysis products |
| Chemical Kinetics | 1 | Moderate | Rate law, half-life, Arrhenius equation and activation energy |
| d-block and f-block Elements | 1 | Easy-Moderate | Common oxidation states, color of transition metal complexes |
| Polymers and Chemistry in Everyday Life | 1 | Easy | Types of polymerization, drug classifications, cleansing agents |
Do not skip Polymers and Chemistry in Everyday Life. These are 1-mark questions that take under 30 seconds - purely factual and correct if you have read NCERT once.
GAT B Chemistry Sample Paper Video Solutions 2026 - Watch Before You Start Solving
Watching an expert work through a GAT B paper shows you the time split between Section A Chemistry and Section B - something you cannot judge from solving alone.
Watch: GAT B Question Paper Solution - Year-wise Walkthroughs
Platform: YouTube | Coverage: Full paper walkthroughs including Section A Chemistry
How to Use GAT B Chemistry Sample Papers to Clear in the First Attempt
- First solve: Attempt the 2024 paper untimed. List every Chemistry wrong answer with the topic name.
- Group errors: Fix your weakest topic before solving the next paper - do not rotate papers while the same chapter keeps failing.
- Skip and return: Flag any Chemistry question you cannot solve in 60 seconds and return after finishing the rest of Section A.
- NCERT cross-check: For every wrong answer, find the exact NCERT line it came from. This stops the same question type from costing marks in the exam.
GAT B Chemistry Section A Topic Strategy - How to Score 12 to 14 out of 15
- Equilibrium and Electrochemistry: Solve 2 to 3 numerical formats from each topic. The numbers change across PYQs, the method does not.
- Biomolecules: Highest-yield topic. Amino acid structures, peptide bonds, and nucleic acid chemistry come from a predictable NCERT page set in Class 12 Chapter 14.
- Coordination Compounds and d-block: Focus on oxidation states, IUPAC naming, and magnetic properties - these repeat in nearly every PYQ.
- Negative marking control: Only attempt questions where you can eliminate at least 2 options. Skipping is better than a blind guess at minus 0.5.
GAT B Chemistry 4 Week Preparation Plan Using Sample Papers
- Week 1 - Read NCERT Class 12 Chemistry chapters on Biomolecules, Electrochemistry, and Chemical Kinetics. Solve the 2024 paper untimed and list every Chemistry wrong answer by topic.
- Week 2 - Fix the weakest 2 topics from Week 1, then solve the 2023 paper with a 25-minute limit for Section A only.
- Week 3 - Solve 2022 and 2021 papers back to back. Track how many Biomolecule and Equilibrium questions you answer correctly across both.
- Week 4 - One full paper daily under 3-hour timing. Stop new papers 2 days before the exam and revise only your Chemistry error log and marked NCERT pages.
FAQs on GAT B Chemistry Sample Papers 2026
Ques. How many Chemistry questions are there in GAT B 2026?
Ans. Section A has 60 compulsory questions from four subjects - Chemistry typically contributes approximately 15. The official notification does not publish a subject-wise split, so the exact count can vary by 2 to 3 in any year.
Ques. Is NCERT Class 12 Chemistry enough for GAT B Section A?
Ans. Yes, for Section A. GAT B Chemistry questions map directly to NCERT Class 11 and 12. NCERT is not sufficient for Section B, which needs graduate-level Biochemistry and Molecular Biology.
Ques. How many GAT B Chemistry sample papers are enough?
Ans. Four to five full PYQs with thorough error review is more effective than solving 15 papers without analysis. Chemistry Section A draws from a predictable topic pool - fix weak chapters, do not just add more papers.
Ques. Is there negative marking in GAT B Chemistry Section A?
Ans. Yes - minus 0.5 per wrong answer in Section A. With approximately 15 Chemistry questions, 3 wrong guesses cancel 1.5 correct answers. Only attempt questions where you can eliminate at least 2 options.
Ques. Which Chemistry topics repeat most in GAT B previous year papers?
Ans. Biomolecules, Chemical Equilibrium, and Electrochemistry appear in almost every PYQ. Coordination Compounds and d-block elements are also consistent. Polymers and Chemistry in Everyday Life carry 1 question each but are quick marks after one NCERT read.
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