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

Content Writer | Updated On - Feb 12, 2023

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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IIT JAM 2023 Counselling	IIT JAM Score Accepting Colleges

Table of Contents

IIT JAM 2023 Paper Analysis
IIT JAM 2022 Paper Analysis
IIT JAM 2021 Paper Analysis:
IIT JAM Paper Analysis 2020
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 Section	Difficulty Level	Maximum Weightage Topics	Good 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 Moderate	Sequence and Series, Cauchy Criteria, Order, Rieman Concepts, Calculus	40-45
Geology (GG)	Moderate to Difficult	Applied Geology, Structural Geology	35-40
Physics (PH)	Moderate to Difficult and Lengthy	EMT, Eigen, Electricity, Moment of Inertia, Flux	35-40
Biotechnology (BT)	Moderate	Pedigree Analysis, Molecular and Cell Biology, Genetics and Immunology	45-50
Mathematical Statistics (MS)	Moderate	To be Updated	To be Updated
Economics (EN)	Easy to Moderate	To be Updated	To 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.

Section	Total number of Questions	Number of Marks per Question	Total Marks
Section A	10	1	10
Section A	20	2	40
Section B	10	2	20
Section C	10	1	10
Section C	10	2	20
Total	60	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

Section	Difficulty	Topics with Maximum Weightage
Physics (PH)	Moderate-High	Electro Dynamics, Quantum Mechanics, Nuclear Physics, and Optics
Biotechnology (BT)	Moderate	Microbial cultivation, Microscopy, Chromosomal basis of inheritance, Biogenetics
Mathematical Statistics (MS)	Moderate-High	Estimation, Testing of Aptitude, Sequence, Integral & Differential Calculus, Standard Distribution
Chemistry (CY)	Moderate	Co-ordination Chemistry, MOT, Solid State, Organometallic Chemistry
Economics (EN)	Easy-Moderate	Micro & Macro Economics, Statistics, Numerical based questions
Mathematics (MA)	Moderate-High	Real Analysis, Calculus, Partial Differential Equation, Linear Algebra, Abstract Algebra
Geology (GE)	Moderate	Planet 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 A	Moderate
Difficulty Level of Section B	Moderate
Difficulty Level of Section C	Moderate to Difficult
Overall Difficulty Level	Moderate
Topics with Maximum Weightage	Electro Dynamics Optics Quantum Mechanics Nuclear Physics Thermo Dynamics
Good Attempts	50+

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 A	Easy to Moderate
Difficulty Level of Section B	Moderate
Difficulty Level of Section C	Moderate to Dificult
Overall Difficulty Level	Moderate
Topics with Maximum Weightage	Genetic Combination Plant Hormones Microscopy Ecology Electrophoresis Frame Shift Mutation Transcription & DNA Recombination
Good Attempts	45+

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 A	Moderate to Difficult
Difficulty Level of Section B	Moderate
Difficulty Level of Section C	Moderate to Difficult
Overall Difficulty Level	Moderate 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 Attempts	40-50

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 A	Moderate to Difficult
Difficulty Level of Section B	Moderate to Difficult
Difficulty Level of Section C	Moderate to Difficult
Overall Difficulty Level	Moderate to Difficult
Topics with Maximum Weightage	Optical Isomerism Organometallic Chemistry Molecular Orbital Theory Solid State Theory of Gases
Good Attempts	45+

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 A	Easy to Moderate
Difficulty Level of Section B	Easy to Moderate
Difficulty Level of Section C	Moderate
Overall Difficulty Level	Easy to Moderate
Topics with Maximum Weightage	Microeconomics Macroeconomics Statistical Analysis Calculus
Good Attempts	50+

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 A	Moderate to Difficult
Difficulty Level of Section B	Difficult
Difficulty Level of Section C	Moderate to Difficult
Overall Difficulty Level	Moderate 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 Attempts	45+

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:

Section	Difficulty	Topics
Physics (PH)	Moderate-Tough	EMP, Thermodynamics, Mechanics, and Optics
Biotechnology (BT)	Moderate	Molecular, Biogenetics
Mathematical Statistics (MS)	Moderate	Monotony, Sequence and Mass Functions
Chemistry (CY)	Moderate	Co-ordination Chemistry, Hybridization, and Electron Rule
Economics (EN)	Moderate	Numerical based questions
Mathematics (MA)	Will be updated soon	Will 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:

Subjects	Level of Difficulty	MCQ or Multiple-Choice Question	MSQ or Multiple Selection Questions	NAT or Numerical Answer Type
Mathematics	Moderate	Easy	Moderate to High	Moderate to High
Physics	Moderate	Moderate	Easy	Moderate to High
Chemistry	Moderate to High	Moderate	Moderate	High
Mathematical Statics	Moderate	Moderate	Moderate	Moderate to High
Biotechnology	Moderate	Moderate	Moderate	Moderate to High
Geology	Easy to Moderate	Easy to Moderate	Moderate	Moderate

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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

Unit	Unit in Marks
Unit	Section A	Section B	Section C
Sequence and Series	7	4	0
Real Analysis	8	2	2
Different Calculus	16	6	5
Integral Calculus	4	2	3
Vector Calculus	4	0	3
Different Equation	4	0	4
Modern Algebra	2	4	5
Linear Algebra	5	2	8

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

Unit	Unit in Marks
Unit	Section A	Section B	Section C
Modern Physics	9	4	7
Oscillations, Waves & Optics	6	2	3
Mathematical Physics	5	2	3
Electricity & Magnetism	6	2	4
Solid State Physics & Devices and Electronics	10	2	8
Mechanics & General properties of Matter	5	6	2
Kinetic Theory & Thermodynamics	8	2	3

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

Unit	Unit in Marks
Unit	Section A	Section B	Section C
Basic Mathematical Concept	3	2	-
Atomic and Molecular Structure	-	-	2
Theory of Glass	2	2	-
Solid State	2	-	2
Chemical Thermodynamics	3	-	2
Chemical and Phase Equilibria	-	-	1
Electrochemistry	1	-	1
Chemical Kinetics	-	-	2
Adsorption	-	-	2
Solution and Colligative Properties	-	-	2
Physical Spectroscopy	3	2	-

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

Unit	Unit in Marks
Unit	Section A	Section B	Section C
GOC + Aromaticity	2	2	-
Stereochemistry	-	2	2
Reaction Mechanism	6	-	2
Named Reactions & Rearrangements	2	-	-
Reagents	2	2	2
Natural Products	3	2	1
Pericyclic	-	-	-
Heterocyclic Chemistry	-	-	-
Organic Spectroscopy	2	-	1

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

Unit	Unit in Marks
Unit	Section A	Section B	Section C
Periodic Table	2	-	2
Chemical Bonding and Shapes of Compounds	5	2	1
Main Group Elements (s and p blocks)	-	-	2
Transition Metals (d-blocks)	5	2	-
Organometallic Compounds	2	-	1
Bioinorganic Chemistry	1	2	-
Instrumental Methods of Analysis	2	-	2
Analytical Chemistry	2	-	-

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

Unit	Unit in marks
Cell Biology	2
Biochemistry	7
Recombinant DNA & Techniques	5
Microbiology	3
Animal Physiology	1
Taxonomy	-
Ecology	-
Evolution	1
Genetics	1
Molecular Biology	3
Immunology	-
Plant Physiology	2

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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, please refer the official website of the exam.

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