IIT JAM 2023 Paper Analysis (Out), Subject-Wise Paper Analysis, Weightage of Sections & Solutions

    Sachin Gupta Sachin Gupta
    Content Writer

    IIT JAM 2023 Exam Analysis- IIT Guwahati has successfully conducted IIT JAM 2023 for 3 papers (MA, CY, GG) in shift 1 and 4 papers (BT, MS, PH, EN) in shift 2. As per IIT JAM 2023 test takers, the overall difficulty level of Mathematics paper was easy to moderate while CY paper was moderately difficult.

    • In Physics paper, MSQs were tough and questions in section A were lengthy.
    • IIT JAM 2023 Biotechnology question paper was moderate with 45-50 questions being a good attempt.
    • IIT JAM 2023 GG paper was rated moderate to difficult.

    Candidates can check the detailed IIT JAM 2023 exam analysis given below to know the sectional & overall difficulty, type of questions asked, and the weightage of important topics asked. Check IIT JAM 2023 Cut off

    IIT JAM 2023 Answer Keys will be released soon by the exam authorities and IIT JAM 2023 Result will be out on March 22, 2023.

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    Table of Contents

    1. IIT JAM 2023 Paper Analysis
    2. IIT JAM 2022 Paper Analysis
    3. IIT JAM 2021 Paper Analysis: 
    4. IIT JAM Paper Analysis 2020
    5. IIT JAM 2023 Paper Analysis FAQs
    JAM 2023 Analysis

    IIT JAM 2023 Paper Analysis

    IIT JAM 2023 Paper Analysis is updated below after the conclusion of each shift. Check paper-wise difficulty level and high weightage topics given in the table below:

    IIT JAM SectionDifficulty LevelMaximum Weightage TopicsGood Attempts
    Chemistry (CY)Moderate; the paper was not time consuming and could be completed much before 3 hours
    • Inorganic Chemistry- 15-16 questions
    • Chemical Kinetics- 4-5 questions
    • MOT- 2-3 questions
    • Biomolecules + Miller Indices + Bragg’s Law- 5-6 questions
    35-40
    Mathematics (MA)Easy to ModerateSequence and Series, Cauchy Criteria, Order, Rieman Concepts, Calculus40-45
    Geology (GG)Moderate to DifficultApplied Geology, Structural Geology35-40
    Physics (PH) Moderate to Difficult and LengthyEMT, Eigen, Electricity, Moment of Inertia, Flux35-40
    Biotechnology (BT)ModeratePedigree Analysis, Molecular and Cell Biology, Genetics and Immunology45-50
    Mathematical Statistics (MS)ModerateTo be UpdatedTo be Updated
    Economics (EN)Easy to ModerateTo be UpdatedTo be Updated

    IIT JAM 2023 Exam Analysis: Section-wise Distribution of Questions

    The distribution of 1 mark and 2 mark questions in all the subject papers is the same. Given below is the section-wise distribution of questions.

    SectionTotal number of QuestionsNumber of Marks per QuestionTotal Marks
    Section A10110
    20240
    Section B10220
    Section C10110
    10220
    Total60

    40- 2 Mark Questions

    20- 1 Mark Questions

    100
    JAM 2022 Analysis

    IIT JAM 2022 Paper Analysis

    IIT JAM 2022 Exam was held on February 13, 2022. As per IIT JAM test-takers, the overall difficulty level of the biotechnology (BT) paper was moderate to high with 30 MCQs, 10 MSQs, and 20 NATs. Mathematical Statistics (MS) paper was rated difficult and lengthy by the candidates. Also, Physics (PH) and Chemistry (CY) papers were moderately difficult with a few tricky questions. Given below are the paper-wise analysis of the exam

    SectionDifficultyTopics with Maximum Weightage
    Physics (PH) Moderate-HighElectro Dynamics, Quantum Mechanics, Nuclear Physics, and Optics
    Biotechnology (BT)ModerateMicrobial cultivation, Microscopy, Chromosomal basis of inheritance, Biogenetics
    Mathematical Statistics (MS)Moderate-HighEstimation, Testing of Aptitude, Sequence, Integral & Differential Calculus, Standard Distribution
    Chemistry (CY)ModerateCo-ordination Chemistry, MOT, Solid State, Organometallic Chemistry
    Economics (EN)Easy-ModerateMicro & Macro Economics, Statistics, Numerical based questions
    Mathematics (MA)Moderate-HighReal Analysis, Calculus, Partial Differential Equation, Linear Algebra, Abstract Algebra
    Geology (GE)ModeratePlanet Theory, Paleontology, Structural Geology

    IIT JAM 2022 Physics (PH)

    • As per test-takers, the paper was moderately difficult but not lengthy.
    • Questions on Optics and Thermo Dynamics were rated easy.
    • There were no questions from Geometrical Optics and Solid State Physics.
    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10
    • NAT- 20
    Difficulty Level of Section AModerate
    Difficulty Level of Section BModerate
    Difficulty Level of Section CModerate to Difficult
    Overall Difficulty LevelModerate
    Topics with Maximum Weightage
    • Electro Dynamics
    • Optics
    • Quantum Mechanics
    • Nuclear Physics
    • Thermo Dynamics
    Good Attempts50+
    IIT JAM 2022 Bio-Technology (BT) Paper Analysis
    • IIT JAM 2022 Bio-Technology exam had a total of 3 sections, i.e. A, B, C.
    • The overall difficulty level of the paper was rated moderate to tough.
    • There were many numerical based questions from microscopy and biological science.
    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10
    • NAT- 20
    Difficulty Level of Section AEasy to Moderate
    Difficulty Level of Section BModerate
    Difficulty Level of Section CModerate to Dificult
    Overall Difficulty LevelModerate
    Topics with Maximum Weightage
    • Genetic Combination
    • Plant Hormones
    • Microscopy
    • Ecology
    • Electrophoresis
    • Frame Shift Mutation
    • Transcription & DNA Recombination
    Good Attempts45+
    • Other important topics asked included Cell Biology, Biochemistry, Genetics, Molecular Biology, Evolution, Microbiology, Plant Biology, Animal Biology, Biotechnology, Methods in Biology, Structure & properties of Atoms, Bonding in molecules, Chemical kinetics, Instrumental techniques.

    IIT JAM 2022 Mathematical Statistics (MS) Paper Analysis

    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10 
    • NAT- 20
    Difficulty Level of Section AModerate to Difficult
    Difficulty Level of Section BModerate
    Difficulty Level of Section CModerate to Difficult
    Overall Difficulty LevelModerate to Difficult
    Topics with Maximum Weightage
    • Testing of Hypothesis
    • Calculus
    • Variables
    • Standard and Joint Distributions
    • Estimation
    • Standard Univariate Distributions
    • Multivariate Distributions
    • Standard Multivariate Distributions
    Good Attempts40-50
    IIT JAM 2022 Chemistry (CY) Paper Analysis
    • Chemistry paper also had a total of 30 MCQs, 10 MSQs, and 20 NAT questions.The distribution of 2 mark and 1 mark questions in each section was similar to the other papers.
    • Applicants rated the IIT JAM 2022 Chemistry paper moderate to difficult.
    • Applicants were asked questions from Physical Chemistry, Organic Chemistry, and Inorganic Chemistry. The questions from all these topics were evenly distributed.
    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10 
    • NAT- 20
    Difficulty Level of Section AModerate to Difficult
    Difficulty Level of Section BModerate to Difficult
    Difficulty Level of Section CModerate to Difficult
    Overall Difficulty LevelModerate to Difficult
    Topics with Maximum Weightage
    • Optical Isomerism
    • Organometallic Chemistry
    • Molecular Orbital Theory
    • Solid State
    • Theory of Gases
    Good Attempts45+

    IIT JAM 2022 Economics (EN) Paper Analysis

    • IIT JAM 2022 Economics was rated easy to moderate in terms of overall difficulty. 
    • Questions were evenly distributed between micro and macro economics.
    • Some numerical-based questions were tricky and time-consuming.
    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10 
    • NAT- 20
    Difficulty Level of Section AEasy to Moderate
    Difficulty Level of Section BEasy to Moderate
    Difficulty Level of Section CModerate
    Overall Difficulty LevelEasy to Moderate
    Topics with Maximum Weightage
    • Microeconomics
    • Macroeconomics
    • Statistical Analysis
    • Calculus
    Good Attempts50+

    IIT JAM 2022 Geology (GG) Paper Analysis

    • IIT JAM 2022 Geology exam had a total of 3 sections, i.e. A, B, C.
    • Section A had a total of 30 MCQs (multiple-choice questions) with 20 questions carrying 2 marks each with negative marking of 0.66 marks and 10 questions carrying 1 mark each with negative marking of 0.33 marks
    • Section B had a total of 10 MSQs (multiple-select questions) with a total of 10 questions of 2 marks each.
    • Section C had a total of 20 NAT Type questions with 10 questions carrying 2 marks each, and the rest 10 carrying 1 mark each.
    • The difficulty level of exam was moderate to tough.

    IIT JAM 2022 Mathematics (MA) Paper Analysis

    • The overall difficulty level of the exam was moderate to tough with a few easy-to-solve questions.
    • As per students, the MSQ section was the toughest.
    • The highest weightage was accounted for by the topic Real Analysis (21%) followed by calculus of single variable (18%), linear algebra (14%), differential calculus, etc.
    Particulars Details
    Distribution of Questions
    • MCQ- 30
    • MSQ- 10 
    • NAT- 20
    Difficulty Level of Section AModerate to Difficult
    Difficulty Level of Section BDifficult
    Difficulty Level of Section CModerate to Difficult
    Overall Difficulty LevelModerate to Difficult
    Topics with Maximum Weightage
    • Real Analysis
    • Calculus of Single Variable
    • Calculus of 2 variables
    • Differential Equation
    • Linear Aalgebra
    • Vector Calculus
    • Abstract Algebra
    Good Attempts45+
    JAM 2021 Analysis

    IIT JAM 2021 Sectional Analysis

    Given below is a brief overview of the previous year Paper Analysis, the difficulty level of the IIT JAM Paper held on Feb 14, 2021 of both Shifts 1 and 2:

    SectionDifficultyTopics
    Physics (PH) Moderate-ToughEMP, Thermodynamics, Mechanics, and Optics
    Biotechnology (BT)ModerateMolecular, Biogenetics
    Mathematical Statistics (MS)ModerateMonotony, Sequence and Mass Functions
    Chemistry (CY)ModerateCo-ordination Chemistry, Hybridization, and Electron Rule
    Economics (EN)ModerateNumerical based questions
    Mathematics (MA)Will be updated soonWill be updated soon

    Given below are paper-wise analysis of IIT JAM 2021 Exam:

    IIT JAM Physics (PH) - 

    • IIT JAM Physics topics wise weightage was heavily towards questions regarding EMP, Thermodynamics, Mechanics, and Optics. 
    • There were more theory questions than numerical questions.
    • Questions from Advanced Mathematical Physics were not asked much.

    IIT JAM Biotechnology (BT) - 

    • IIT JAM Biotechnology topics wise weightage 2021 was equally distributed between theory and numerical questions. 
    • The most frequently asked questions include Molecular and Biogenetics.

    IIT JAM Mathematical Statistics (MS) - 

    • IIT JAM Mathematical Statistics topics wise distribution was more towards statistics questions than the maths questions. 
    • There were questions from Monotony, Sequence, and Mass Functions.

    IIT JAM Chemistry (CY) - 

    • Most questions in this paper were asked from Co-ordination Chemistry, Hybridization, and Electron Rule.
    • Numerical questions were lesser in Physical Chemistry.
    • Theory and Numerical questions were both balanced.

    IIT JAM Economics (EN) - 

    • The Paper was well balanced. 
    • The third section had more numerical. 
    JAM 2020 Analysis

    IIT JAM Paper Analysis 2020

    Subject Wise paper analysis is given below in the table:

    SubjectsLevel of DifficultyMCQ or Multiple-Choice QuestionMSQ or Multiple Selection QuestionsNAT or Numerical Answer Type
    MathematicsModerateEasyModerate to HighModerate to High
    PhysicsModerateModerateEasyModerate to High
    ChemistryModerate to HighModerateModerateHigh
    Mathematical StaticsModerateModerateModerateModerate to High
    BiotechnologyModerateModerateModerateModerate to High
    GeologyEasy to ModerateEasy to ModerateModerateModerate

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    IIT JAM Paper Analysis of Mathematics

    IIT JAM Paper Analysis for the subject of Mathematics is given below.

    • Overall level for this subject is moderate
    • MCQ is not so easy and the level is moderate
    • NAT question and the applied section is not so difficult
    • As per the feedback of the student, vector calculus is also not so difficult nut was repeated

    Section-wise weightage for all units of this subject is given below in the table

    UnitUnit in Marks
    Section ASection BSection C
    Sequence and Series740
    Real Analysis822
    Different Calculus1665
    Integral Calculus423
    Vector Calculus403
    Different Equation404
    Modern Algebra245
    Linear Algebra528

     IIT JAM Paper Analysis of Physics

    IIT JAM Paper Analysis for the subject of Physics is given below.

    • Overall level for this subject is moderate
    • As per the student feedback, MCQ for this subject is quite difficult
    • NAT questions are not so tough

    Section-wise weightage for all units of the subject Physics is mentioned below in the table

    UnitUnit in Marks
    Section ASection BSection C
    Modern Physics947
    Oscillations, Waves & Optics623
    Mathematical Physics523
    Electricity & Magnetism624
    Solid State Physics & Devices and Electronics1028
    Mechanics & General properties of Matter562
    Kinetic Theory & Thermodynamics823

    IIT JAM Paper Analysis of Chemistry

    IIT JAM Paper Analysis for the subject of Chemistry is given below.

    • Overall level for this subject is not so easy
    • NAT questions were also quite difficult
    • NMR questions are not so difficult

    Section-wise weightage for Physical Chemistry of the subject Chemistry is mentioned below in the table

    UnitUnit in Marks
    Section ASection BSection C
    Basic Mathematical Concept32-
    Atomic and Molecular Structure--2
    Theory of Glass22-
    Solid State2-2
    Chemical Thermodynamics3-2
    Chemical and Phase Equilibria--1
    Electrochemistry1-1
    Chemical Kinetics--2
    Adsorption--2
    Solution and Colligative Properties--2
    Physical Spectroscopy32-

    Section wise weightage for Organic Chemistry of the subject Chemistry is mentioned below in the table

    UnitUnit in Marks
    Section ASection BSection C
    GOC + Aromaticity22-
    Stereochemistry-22
    Reaction Mechanism6-2
    Named Reactions & Rearrangements2--
    Reagents222
    Natural Products321
    Pericyclic---
    Heterocyclic Chemistry---
    Organic Spectroscopy2-1

    Section wise weightage for Inorganic Chemistry of the subject Chemistry is mentioned below in the table

    UnitUnit in Marks
    Section ASection BSection C
    Periodic Table2-2
    Chemical Bonding and Shapes of Compounds521
    Main Group Elements (s and p blocks)--2
    Transition Metals (d-blocks)52-
    Organometallic Compounds2-1
    Bioinorganic Chemistry12-
    Instrumental Methods of Analysis2-2
    Analytical Chemistry2--

    IIT JAM Paper Analysis of Biotechnology

    IIT JAM Paper Analysis for the subject of Biotechnology is given below.

    • The overall level of this course is moderate
    • In Mathematics, the number of questions is vast

    Section-wise weightage for every unit of the subject Biotechnology is listed below in the table

    UnitUnit in marks
    Cell Biology2
    Biochemistry7
    Recombinant DNA & Techniques5
    Microbiology3
    Animal Physiology1
    Taxonomy-
    Ecology-
    Evolution1
    Genetics1
    Molecular Biology3
    Immunology-
    Plant Physiology2

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    IIT JAM Sample Paper Analysis

    Candidates must keep practicing all IIT JAM Sample Paper before appearing for the final exam or IIT JAM Exam. The number of questions will be 60 and the total marks are 100. Some of the advantages along with question type are mentioned below.

    • It helps to develop an advanced strategy
    • A candidate can point out their strength and weakness in a particular area
    • Candidate can boost their confidence
    • It helps to make understand the exam pattern
    • A candidate can improve their time management skills

    The entire IIT JAM 2021 test paper has the division of three sections that is A, B, and C. All the sections contain a different type of questions and those are must attempt. All the sections are mentioned below.

    Section A

    • This section consists of 30 MCQ or Multiple-Choice Questions that includes 10 questions of 1 mark each and 20 questions for 2 marks each. 
    • There are 4 choices for each MCQ from where a candidate needs to select one correct answer. 
    • For the incorrect answer of each 1-mark question, 1/3 mark will be deducted and for the incorrect answer of each 2-mark question, 2/3 mark will be deducted.

    Section B

    • This section consists of 10 MCQ which contains 2 marks for each question. 
    • There are also 4 choices out of which a candidate can select one of more than one correct answer. 
    • There will not be any negative marks for an incorrect answer in section B.

    Section C

    • This section includes 20 NAT or Numerical Answer Type that contain 10 questions of 1 mark each and also 10 questions of 2 marks each. 
    • There will not be any choices for NAT questions. In this section, no negative marks will be counted for each negative answer. 

    Frequently Asked Questions

    IIT JAM 2023 Paper Analysis FAQs

    Ques. What are the sections in the subject Economics that are newly added in IIT JAM 2023?

    Ans. There are various sections such as Microeconomics, Macroeconomics, Statistics for Economics, Indian Economy, Mathematics for Economics

    Ques. Is there any NAT or Numerical Answer Type in the subject Physics?

    Ans. Yes, there is NAT in the subject physics.

    Ques. How many questions are there in total in the IIT JAM 2023 Exam Paper?

    Ans. There are 60 questions of the weightage of 100 marks in the exam paper

    Ques. Are there any negative marks in the IIT JAM 2023 Paper?

    Ans. Yes, there are negative marks but not in all the sections of the subject in the IIT JAM 2023 Paper. All are mentioned above.

    Ques. How many units are there in a Biotechnology course?

    Ans. There are a total of 12 units in the biotechnology courses.

    *The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College

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