IIT JAM Exam Pattern 2027: 60 Questions, 100 Marks, Marking Scheme and Question Types

IIT JAM 2027 (Joint Admission Test for MSc) is a computer-based test (CBT) conducted for admission to MSc, Joint MSc-PhD, MSc-PhD Dual Degree, and other postgraduate science programmes at IITs and IISc. Each of the seven test papers lasts 3 hours (180 minutes) and carries 100 marks across 60 questions split into three sections. The official IIT JAM 2027 brochure is expected in August–September 2026; the pattern detailed below is based on the established format, which has remained structurally stable since 2018.

• IIT JAM 2027 is a 180-minute computer-based test with 60 questions for 100 marks per paper.
• The exam has 3 sections: Section A (30 MCQs, 50 marks), Section B (10 MSQs, 20 marks), and Section C (20 NAT questions, 30 marks).
• Negative marking applies only to Section A — a wrong 1-mark MCQ costs 1/3 mark and a wrong 2-mark MCQ costs 2/3 mark.
• Section B (MSQ) and Section C (NAT) carry zero negative marking — you should attempt all questions in these sections.
• IIT JAM 2027 offers 7 test papers: Biotechnology (BT), Chemistry (CY), Economics (EN), Geology (GG), Mathematics (MA), Mathematical Statistics (MS), and Physics (PH).
• You can appear in a maximum of 2 papers in a single exam cycle, provided the papers are scheduled in different sessions.
• The official brochure is expected in August–September 2026, with the exam likely scheduled for February 2027.

IIT JAM Exam Pattern 2027: Overview

IIT JAM 2027 follows a unified computer-based test (CBT) format across all seven test papers. Each paper is 3 hours long, carries 100 marks across 60 questions, and is divided into three compulsory sections with different question types. The pattern has remained consistent since 2018 and no structural changes have been announced for the 2027 cycle. The official 2027 brochure will confirm the final details once published by the organizing IIT.

IIT JAM 2027 is a 180-minute computer-based test with 60 questions for 100 marks per paper — the same unified structure applies across all seven subject papers.

IIT JAM 2027: Important Dates

The IIT JAM 2027 official schedule will be confirmed with the release of the information brochure, expected in August–September 2026. The dates below are tentative estimates based on the IIT JAM 2026 timeline (organized by IIT Bombay; exam on February 15, 2026). All dates are arranged upcoming-first in chronological order. Confirm every date from the official 2027 brochure once published.

*All dates above are tentative, based on the IIT JAM 2026 schedule. The official IIT JAM 2027 brochure will publish confirmed dates in August–September 2026.

IIT JAM 2027: Detailed Exam Pattern

Each IIT JAM 2027 paper is divided into three compulsory sections with distinct question types, marking rules, and difficulty focuses. Section A tests conceptual understanding and elimination skills via MCQs, Section B tests multi-concept depth via multiple select questions, and Section C tests calculation precision via numerical entry questions. There is no sectional time limit — you manage all three sections within the single 3-hour window.

Note: Section A is split into two groups — the first 10 questions carry 1 mark each and the next 20 carry 2 marks each. Section C is similarly divided into 10 one-mark NATs followed by 10 two-mark NATs. All three sections are compulsory for every paper.

There is no negative marking for MSQ (Section B) and NAT (Section C) questions — attempting all 30 questions in these sections is always the right approach.

IIT JAM Marking Scheme 2027

IIT JAM 2027 applies a differential marking scheme where negative marking is restricted exclusively to Section A (MCQs). The penalty is proportional to question value — 1/3 mark deducted for each wrong 1-mark MCQ and 2/3 mark for each wrong 2-mark MCQ. Sections B and C carry zero penalty for wrong or unattempted answers, making them the safest sections to maximise your score.

Negative marking of 1/3 mark (1-mark MCQs) and 2/3 mark (2-mark MCQs) applies in Section A — avoid random guessing in MCQs unless you can eliminate at least two options with confidence.

Note: For MSQ (Section B) questions, you earn +2 marks only if every correct option is selected and no incorrect option is chosen. Selecting a wrong option alongside correct ones earns 0 marks for that question — there is no partial credit and no mark deduction for MSQ answers.

IIT JAM Subject-Wise Exam Pattern 2027

All seven IIT JAM 2027 papers share the same 60-question, 100-mark, 3-hour CBT structure. The differences lie in the subject content, topic coverage, and internal weightage unique to each paper. You can choose a maximum of two papers based on your undergraduate specialisation and the MSc programme you are targeting at IITs or IISc.

Biotechnology (BT)

The BT paper is the only interdisciplinary test in IIT JAM, drawing from four undergraduate subjects: Biology (44% weightage), Chemistry (20%), Mathematics (18%), and Physics (18%). Topics in biology span molecular biology, cell biology, genetics, biochemistry, and microbiology.

Chemistry (CY)

The CY paper tests Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. Physical and Organic Chemistry together carry the highest weightage, with a significant share of Section C NAT questions testing numerical problem-solving in thermodynamics, kinetics, and spectroscopy.

Economics (EN)

The EN paper tests Microeconomics, Macroeconomics, Statistics, Mathematics for Economics, Indian Economy, and Econometrics. Microeconomics and Macroeconomics together typically account for 30–35% of the paper. The NAT section in EN often includes computation-based questions on equilibrium, elasticity, and national income accounting.

Geology (GG)

The GG paper covers Mineralogy, Petrology, Structural Geology, Geomorphology, Hydrogeology, Economic Geology, and Applied Geology. Map-reading, cross-section interpretation, and numerical geology calculations frequently appear in Section C NAT questions.

Mathematics (MA)

The MA paper tests Real Analysis, Linear Algebra, Calculus, Sequences and Series, Differential Equations, Group Theory, and Metric Spaces. Section C NAT questions are often purely computational and carry no negative marking, making them a high-priority scoring zone for students strong in problem-solving.

Mathematical Statistics (MS)

The MS paper is split between Mathematics (40% weightage) and Statistics (60% weightage). Statistics topics include probability, random variables, distributions, estimation theory, testing of hypotheses, and regression analysis. The mathematics component covers sequences, differential calculus, linear algebra, and integral calculus.

Physics (PH)

The PH paper covers Classical Mechanics, Electromagnetism, Thermodynamics and Statistical Physics, Quantum Mechanics, Atomic and Molecular Physics, Solid State Physics, Electronics, and Nuclear Physics. Mechanics and electromagnetism carry the highest weightage. Section C NAT questions frequently test numerical computation in thermodynamics and quantum mechanics.

IIT JAM Question Types 2027

IIT JAM 2027 uses three types of questions across the three sections of every paper. Each type rewards a different skill — elimination and recall for MCQs, multi-concept depth for MSQs, and computational precision for NATs. Understanding the rules of each type is essential for building the right attempt strategy on exam day.

Section A: Multiple Choice Questions (MCQ)

MCQs present four options (A, B, C, D) with exactly one correct answer. Section A has 30 MCQ questions — 10 of 1 mark each and 20 of 2 marks each — contributing 50 marks to the total. Negative marking applies: a wrong 1-mark answer costs 1/3 mark and a wrong 2-mark answer costs 2/3 mark. Attempt MCQs only when you can rule out at least two options confidently.

Section B: Multiple Select Questions (MSQ)

MSQs present four options where one or more may be correct. You must identify every correct option — there is no partial credit. Section B has 10 MSQ questions, each worth 2 marks, contributing 20 marks. No negative marking applies — selecting a wrong option earns 0 for that question, not a deduction. Attempt every MSQ regardless of uncertainty.

Section C: Numerical Answer Type (NAT)

NAT questions provide no answer options. You calculate the answer and enter it directly using the virtual numeric keypad on the CBT interface. Answers may be positive, negative, or decimal numbers. Section C has 20 NAT questions — 10 of 1 mark and 10 of 2 marks — contributing 30 marks. No negative marking applies: attempt all NAT questions.

Note: A virtual scientific calculator is available on screen throughout the IIT JAM 2027 CBT. You cannot bring a physical calculator, mobile phone, or any personal electronic device to the exam center.

IIT JAM Exam Pattern: Changes in 2027 vs Previous Year

The IIT JAM 2027 official brochure is expected in August–September 2026. As of July 2026, the organizing IIT for 2027 has not been officially announced and no changes to the exam pattern have been declared. The table below compares the confirmed 2026 pattern (organized by IIT Bombay; exam held February 15, 2026) with what is expected for 2027 based on the long-standing stable format.

The IIT JAM exam pattern has remained structurally unchanged since 2018 — no major revisions are expected for 2027. This section will be updated as soon as the official 2027 brochure is released by the organizing IIT.

Source: IIT Bombay — JAM 2026 Official Website

How to Prepare Based on IIT JAM Exam Pattern

The three-section structure of IIT JAM 2027 rewards different skills in each section — and your preparation strategy should reflect that. Section A punishes guessing, Section B rewards depth, and Section C rewards precision. Here are pattern-derived preparation tips to help you approach each section effectively for 2027.

1. Be selective in Section A to protect your net score: With negative marking of 1/3 and 2/3, three wrong 1-mark MCQs cancel one correct answer, and three wrong 2-mark MCQs cancel two correct answers. Attempt Section A MCQs only when you can eliminate at least two of the four options — skip and return if uncertain.
2. Attempt every question in Sections B and C without hesitation: MSQs and NATs carry 50 combined marks with zero negative marking. Leaving Section B or C questions blank means giving up marks for no strategic reason. Even a calculated attempt on a NAT question costs nothing if wrong.
3. Train specifically with a virtual scientific calculator: Section C NAT questions require numerical accuracy, and you only have the on-screen calculator during the CBT. Build comfort with this interface by solving mock NAT questions using an online scientific calculator — avoid practicing with a physical one, as the interface differs significantly.
4. Develop an "option-by-option" approach for MSQs: MSQ earns +2 only when every correct option is selected and no wrong option is chosen. Train yourself to evaluate each of the four options as a standalone true/false question rather than comparing them against each other as in standard MCQ solving.
5. Apply a timed-section strategy across the 3-hour window: Target roughly 40 minutes on Section A’s 1-mark group, 65 minutes on the 2-mark MCQ group, 30 minutes on Section B MSQs, and 35 minutes on Section C NATs. Reserve the final 10 minutes for checking NAT inputs and revisiting skipped MCQs where you can now eliminate options.
6. Cover the full syllabus of your chosen paper without selective skipping: IIT JAM distributes questions across every major topic in a subject. Skipping even one unit can leave 8–15 marks unaddressed. Prioritise high-weightage topics first, but budget time in your final month to cover lower-weightage areas as well.
7. Use the last 5–7 years of IIT JAM papers as your primary preparation benchmark: The 60-question, 3-section structure has been stable since 2018, making past papers a highly reliable predictor of difficulty, topic spread, and NAT precision requirements. Solve at least one full-length paper per week in the three months before the 2027 exam.