The Central Board of Secondary Education has shortened the syllabus for this academic session. Corresponding to that, the National Testing Agency has also revised the exam pattern for JEE Main 2021. The exam will be held separately for aspirants appearing for B.Tech and B.Arch/B.Planning. All the new changes which have been accommodated in the JEE Main Exam Pattern 2021 are detailed below. Candidates are advised to go through this page thoroughly to gain insight into the JEE Main question paper and accordingly direct their preparatory efforts, especially considering there are some major changes in the JEE Main 2021 exam pattern as per the official updates by the conducting authority.
The contents of this page include:
 JEE Main Exam Pattern 2021 Highlights
 JEE Main 2021 Marking Scheme
 Language Options in JEE Main 2021
 JEE Main Syllabus
 JEE Main Previous Years’ Question Papers
 Best Preparation Books for JEE Main 2021 Preparation
 JEE Main 2021 Question Paper Analysis
JEE Main 2021 Exam Pattern Highlights
Several changes have been made in the exam pattern for JEE Main 2021. The gist of all the important elements of the exam pattern, revised as well as unrevised, are discussed in this section:
Papers: JEE Main 2021 consists of two papers. PaperI is for the candidates who seek admission into B.E./B.Tech programs and PaperII is for the candidates who seek admission into B.Arch./B.Planning programs.
Duration: The time duration for completion of the JEE Main 2021 examination paper is 3 hours, i.e. 180 minutes.
Mode of PaperI: JEE Main 2021 PaperI will be conducted in only one mode, i.e. Online mode or Computerbased Test (CBT).
Mode of PaperII: JEE Main 2021 PaperII will be conducted in two modes. PartI: Mathematics and PartII: Aptitude will be conducted in the Online mode, and PartIII: Drawing Test will be conducted in the Offline mode or Paperbased Test (PBT).
Alternative Section: A new pattern has been introduced in the JEE Main 2021 exam; there will be no negative marking in the additional 15 alternative questions. All candidates must attempt 75 questions out of 90, which can be further identified as 25 out of the 30 in each section, i.e., Physics, Chemistry and Mathematics.
The courses offered through the JEE Main 2021 papers is given in the table below:
Paper 
Course 
PaperI 
All other undergraduate courses (B.E./B.Tech.) 
PaperII 
B.Arch./B.Planning (At Institutions other than the IITs) 
 The entrance exam for B.Planning will be held separately from 2021 onwards.
 Each subject will have 20 Multiple Choice Questions and 10 Numerical Value Based Questions. The candidates will have to attempt any 5 out of the 10 numerical valuebased questions.
JEE Main Exam Pattern for B.E. and B.Tech
JEE Main 2021 Paper 1 will have a total of 90 MCQs and each subject will have two sections: MCQs and Numerical value answers. The paper is further divided into 3 subjectwise sections where each section carries 100 marks and the candidates can score a maximum of 300 marks in JEE Main 2021 Paper 1.
Mode of Exam 
Online 
Subjects Covered 
Physics, Chemistry, Mathematics 
Exam Duration 
3 hours  180 minutes 
No. of Questions Asked 
90 (30 from each subject) 
No. of Questions to be Attempted 
75 (25 from each subject) 
Type of Questions 
60 Multiple Choice Questions30 Numerical Value Questions 
Maximum Marks 
300 
The name of the subjects in the JEE Main Paper I and the number of questions which will be asked along with the corresponding marks allotted to it is mentioned in the table given below.
S.No. 
Subjects 
Section A 
Section B 
Marks 
1 
Mathematics 
20* 
10* 
100 
2 
Physics 
20* 
10* 
100 
3 
Chemistry 
20* 
10* 
100 
Total 
90 
300 
*NOTE: Each Subject will have two sections. Section A will be of MultipleChoice Questions (MCQs) and Section B will contain Questions whose answers are to be filled in as a numerical value. In Section B, candidates have to attempt any five questions out of 10. There will be no negative marking for Section B.
JEE Main Exam Pattern for B.Arch (Paper: IIA)
The table below provides all the necessary insights about the exam patterns of the JEE Main 2021 PaperII (A) like the type of questions that will be asked in the exam, the subjects involved, and the medium of the question paper. JEE Main 2021 PaperII (A) will have a total of 82 questions and it will be divided into 3 sections. Section One will have 20 MCQ's and 10 questions will have an answer to be filled as a numerical value and Section Two will have 50 MCQ's and 2 Drawing Questions where each question carries 50 marks. The candidates can score a maximum of 400 marks in JEE Main 2021 Paper 2.
Mode of Exam  For Mathematics: Online For Drawing: Pen and Paper Based Test 
Subjects Covered  Mathematics, Aptitude Test, Drawing 
Exam Duration  3 hours  180 minutes 
No. of Questions Asked  Mathematics: 30 Aptitude Test: 50 Drawing: 2 
No. of Questions to be Attempted  Mathematics: 25 Aptitude Test: 50 Drawing: 2 
Type of Questions  Mathematics: Multiple Choice Questions (20) and Numerical Value Questions (10) Aptitude Test: Multiple Choice Questions 
Maximum Marks  400 
*NOTE: 20 questions will be MCQs and 5 questions will have answers to be filled as a numerical value out of 10. There will be no negative marking for the numerical valuebased questions.
JEE Main Exam Pattern for PaperII(B)
Conducted for  B.Arch. Admissions 
Mode  Online (CBT) & Offline (PBT) for Drawing Paper 
Exam Duration  3 Hours 
Subjects  Mathematics, Aptitude, Drawing 
Type of Questions  105 Multiple Choice Questions with a single correct response, 10 Questions will have the answer to be filled as a numeric value, and 25 PlanningBased Objective Type MCQs 
Paper Medium  English, Bengali, Assamese, Gujarati, Hindi, Kannada, Marathi, Malayalam, Odiya, Punjabi, Telugu, Tamil, and Urdu. The choice must be filled in the Application form. 
The number of questions for each subject and the total marks allotted to that subject is provided in the table given below.
S.No.  Subjects  Questions 
 Marks 
1  PartI: Mathematics  20*  10*  100 
2  PartII: Aptitude Test  50  200  
3  PartIII: Drawing  25  100  
Total  105  400 
*NOTE: 20 questions will be MCQs and 5 questions will have answers to be filled as a numerical value out of 10. There will be no negative marking for the numerical valuebased questions.
JEE Main Exam Pattern 2021 for B.Plan
The important facts related to the exam pattern for JEE Main 2021 for admission to B.Plan course are given below:
Mode of Exam  Computer Based Test 
Subjects Covered  Mathematics, Aptitude Test, Planning 
Exam Duration  180 minutes or 3 hours 
No. of Questions Asked  Mathematics: 30 Planningbased: 25 Aptitude: 50 
No. of Questions to be Attempted  Mathematics: 25 PlanningBased: 25 Aptitude: 50 
Type of Questions  Mathematics: 20 MCQs and 10 Numerical ValueBased PlanningBased: 25 MCQs Aptitude: 50 MCQs 
Maximum Marks  400 
JEE Main 2021 Marking Scheme
The detailed marking scheme as per the updated JEE Main Exam Pattern 2021 is given below for your reference.
JEE Main 2021 Marking Scheme for B.E./B.Tech
The detailed marking scheme for the entrance exam for BE and B.Tech courses is detailed below:
Total No. of Questions to Answer  75 (25 from each section) 
Marks per Question  +4 
Negative Marking  1 (Inapplicable for descriptive/numerical based questions) 
Unattempted Questions  No addition or deduction 
Sectional Distribution of Marks  100 Marks per Section 
Total Marks  300 
JEE Main 2021 Marking Scheme for B.Arch and B.Planning
The detailed marking scheme for B.Arch and B.Planning under JEE 2021 is discussed in the table below:
Marks per Question 
+4 
+4 
Negative Marking 
1 (Inapplicable for numerical based questions and drawing) 
1 (Inapplicable for numerical based questions) 
Unattempted Questions 
No addition or deduction 
No addition or deduction 
Sectional Distribution of Marks 
Mathematics: 100 Marks Aptitude: 200 Marks Drawing: 100 Marks (2 Questions of 50 Marks each) 
Mathematics: 100 Marks Aptitude: 200 Marks Planning: 100 Marks 
Total Marks 
400 
400 
Language Options in JEE Main 2021
The candidates can answer the JEE Main 2021 in 13 different languages. However, it must not be assumed that every exam centre will allow candidates to attempt the paper in any language of his/her choice. Given below is a list of all the languages in which the JEE Main 2021 can be attempted, and all the centres where the corresponding language option will be available.
Language Option 
State(s) in which the option is available 
English, Hindi and Urdu 
All states 
Assamese 
Assam 
Bengali 
West Bengal, Tripura, Andaman and Nicobar Islands 
Gujarati 
Gujarat, Daman and Diu, Dadra and Nagar Haveli 
Kannada 
Karnataka 
Malayalam 
Kerala and Lakshadweep Islands 
Marathi 
Maharashtra 
Odia 
Odisha 
Punjabi 
Punjab, Chandigarh and Delhi 
Tamil 
Tamil Nadu, Puducherry and Andaman and Nicobar Islands 
Telugu 
Andhra Pradesh and Telangana 
JEE Main 2021 Syllabus
The candidates must take a print out of the detailed syllabus for JEE Main 2021. The questions asked in the JEE Main 2021 Question Paper will entirely be based on the syllabus of class 11 and 12. The topics from each subject, which the candidates must pay the maximum attention to are listed below for your reference:
JEE Main Syllabus 2021: Important Topics in Physics
The candidates must prepare the belowlisted topics from JEE Main 2021 syllabus well, as most of the questions are based on them
Current, Electricity and Heat Transfer 
Waves and Sounds 
Dimensional Analysis 
Thermodynamics 
Gravitation and ElectroStatistics 
Kinetic Theory of Gases 
Geometrical Optics 
Rotational Dynamics 
Electromagnetic Induction 
Atoms and Nuclei 
JEE Main Syllabus 2021: Important Topics in Chemistry
Based on our observation of JEE Main 2021 previous year question papers, the important topics from Chemistry, which occupy the maximum weightage are given below:
Mole Concept and the Concept of Equivalents  Carbonyl Compounds and their Derivatives 
Redox Reactions  Coordination Chemistry 
Electrochemistry  Chemical Bonding & Qualitative Analysis 
Thermodynamics  Organic Compounds containing Oxygen, Nitrogen and Halogens 
Chemical Equilibrium  dandf Block Elements 
JEE Main Syllabus 2021: Important Topics in Mathematics
The important topics from the Mathematics syllabus of JEE Mains 2021 are given below.
Inverse Trigonometric Functions 
Parabola and Hyperbola Coordinate Geometry 
Circles and Family of Circles 
Limits 
Sequence & Series 
Functions 
Vectors 
Continuity and Differentiability 
Probability 
Application of Derivatives 
Complex Numbers 
Definite Integral in Calculus 
Quadratic Equations 
Matrices 
JEE Main Syllabus 2021 for Drawing
The questions asked in the exam may be based on the following topics:
 Scenes: Markets, Festivals, Landmarks, Roads, Wilderness, Plants or Trees, Rural Life, Recreational Spaces
 Drawing of Geometric or Abstract shapes/patterns
 2D or 3D views of objects
The candidates must go through the detailed syllabus for JEE Main 2021 and analyse which areas they need to put maximum in.
JEE Main 2021 Previous Years’ Question Papers
About 9 lakh students appear for the JEE Main exam every year. As per the data released by the National Testing Agency, 9.34 lakh students gave the exam in 2020. A candidate’s preparation for JEE Main 2021 shall be considered inadequate if he/she doesn’t solve the previous years’ question papers and mock tests. Some of the reasons why solving the JEE Main Previous Years’ Question Papers is an absolute must for all the aspirants are given below:
 It would help you enhance your speed.
 The candidates will be able to analyse their weak areas.
 The candidates will learn about the questions which are asked repeatedly in the exam.
Best Preparation Books for JEE Main 2021
It is often said that mastering the content given in NCERT textbooks is sufficient to ace any examination. However, several important topics are only discussed briefly in these books. The preparation books for JEE Main 2021 would surely explain each and every concept in detail, in easily understandable language. In addition to that, these reference books also have practice questions and mock tests which are beneficial for good exam preparation. Some of the best reference books recommended by the toppers of JEE Main exam are given below.
Subject  Recommended Reference Books 
Physics  ● Problems in General Physics IE Irodov ● Advanced Level Physics Nelson and Parker ● D.C. Pandey 
Mathematics  ● RD Sharma for class XI and XII ● Differential Calculus Arihant ● Integral Calculus Arihant 
Chemistry  ● Modern Approach to Chemical Calculations RC Mukherjee ● Robert Thornton Morrison Organic Chemistry ● Numerical Chemistry by P. Bahadur ● Sanjay Sharma’s Master Resource Chemistry Book 
JEE Main 2021 Question Paper Analysis
The complete analysis for the second phase of JEE Main 2021 question papers is discussed in this section. Candidates can check the overall difficulty level, sectionwise difficulty level, all the important topics, and various other details in this section.
JEE Main Question Paper Analysis for Mar 16, 2021
Shift 1:
 Most of the candidates reported that the question paper had a moderate difficulty level.
 The Mathematics and Physics section was more difficult than the Chemistry section.
 Important topics:
Physics  Chemistry  Mathematics 




Shift 2:
 The question paper from this shift was slightly more difficult than the question paper of Shift 1.
 The Mathematics section was the toughest, followed by Physics. Like the previous section, questions asked in the Chemistry section were reportedly the easiest.
 Important topics:
Physics  Chemistry  Mathematics 

 Organic and Inorganic Chemistry 

JEE Main Question Paper Analysis for Mar 17, 2021
Shift 1:
In the table given below, candidates can find the number of difficult, moderately difficult and easy questions asked from each section of the question paper:
Level of Questions  Physics  Chemistry  Mathematics 

Difficult 
 
 
2 
Moderate 
29 
08 
13 
Easy 
1 
22 
09 
As per the given data, it can be interpreted that the Chemistry section was the easiest out of all.
Important chapters in Physics section: Mechanics, Modern Physics, Electrodynamics, Heat and Thermodynamics.
Important topics in Chemistry: Atomic Structure and Nuclear Chemistry, Mole Concept, Chemical Kinematics, sBlock, Solution and Colligative Properties
Important topics in Mathematics: Methods of Differentiation, Matrices and Determinants, Inverse Trigonometric Function, Circle, Binomial Theorem.
Shift 2:
The total number of questions which were moderately difficult and highly difficult in the second shift of JEE Main, held on Mar 17, 2021 is as follows:
Difficulty Level  Physics  Chemistry  Mathematics 

Moderate  14  11  12 
High  2  3  5 
 Important topics in Chemistry section: Thermodynamics and Thermochemistry, Practical Organic Chemistry, Biomolecules, d and f Block Elements, Coordination Compounds
 Important topics in Mathematics section: Circles, Matrices and Determinants, Binomial Theorem, Limit, Continuity and Differentiability, Definite Integration, Differential Equation
 Important topics in Physics section: Current Electricity, Alternating Current, KTG and Thermodynamics, Centre of Mass, Rectilinear Motion and Vectors, Electromagnetic Waves and Communication.