JEE Main 31st Aug 2021 Shift 1 Question Paper Analysis (Available), Answer Key
Day 3 & Shift 1 of JEE Main 2021 Phase 4 has been conducted on August 31. Check the detailed question paper analysis of JEE Main 31st August Shift 1 exam along with memory-based question paper, solutions and answer key. The overall difficulty level was moderate.
Day 3 & Shift 1 of JEE Main 2021 Phase 4 has been conducted on August 31 from 9:00 AM to 12:00 PM. As per the new exam pattern of JEE Main 2021, the question paper has a total number of 90 questions (instead of 75). Each section has 10 NAT (Numerical) questions, and the candidates are required to answer any 5 from each section. NAT questions do not have negative marking for the wrong attempt, and subject-specific questions have a negative mark of -1 for each wrong attempt. You can check the detailed question paper analysis of JEE Main 31st August 2021 Shift 1 along with section-wise difficulty level, weightage, memory-based question paper and solutions. The official answer key of JEE Main 2021 Phase 4 is expected to be released by September 4. On the other hand, the Phase 4 result of JEE Main 2021 can be expected by September 10.
Subject-wise Difficulty Level Rating of JEE Main 31st August Shift 1
The subject-wise difficulty level rating of JEE Main 31st August 2021 is as follows -
| Overall Difficulty Level Rating | 2.77 out of 5 |
| Physics Difficulty Level Rating | 2.97 out of 5 |
| Mathematics Difficulty Level Rating | 2.70 out of 5 |
| Chemistry Difficulty Level Rating | 2.64 out of 5 |
Major Highlights of JEE Main 31st August 2021 Analysis (First Reaction)
The shift 1 exam concluded at 12:00 PM. Here are some of the major highlights of JEE Main 31st August 2021 analysis -
- Based on the first reaction of students, the overall difficulty level of the paper was moderate
- Chemistry was moderate and NCERT-based
- Organic and Inorganic Chemistry had decent weightage. There were questions from Chemistry in Everyday Life, Environmental Chemistry, Biomolecules
- Mathematics was moderate to easy. There were questions from Integration, Differential Calculus, Conics, Statistics, Mathematical Reasoning
- Physics was moderate, and there were questions from Modern Physics, Semi-Conductors, Magnetism
Detailed JEE Main 31st Aug 2021 Shift 1 Question Paper Analysis
The detailed exam analysis of JEE Main 31st Aug 2021 Shift 1 has been updated. This analysis is based on student and expert feedback.
Aspect | Analysis |
Overall Difficulty Level of the Exam | Moderate |
Difficulty Level of Mathematics | Moderate |
Difficulty Level of Physics | Moderate |
Difficulty Level of Chemistry | Easy to Moderate |
Chapters/ Topics with more Weightage in Mathematics |
|
Chapters/ Topics with more Weightage in Physics |
|
Chapters/ Topics with more Weightage in Chemistry |
|
Difficulty Level of NAT Questions | Average |
Expected Average Number of Good Attempts | 39-43 |
Expected Number of Very Good Attempts | 60+ |
Difficulty Level Comparison – Aug 31 Shift 1 vs July 25 Shift 1 vs March 18 Shift 1 vs Feb 26 Shift 1 | Easier than Previous Sessions Also Check: JEE Main 2021 August vs July vs March vs February Analysis |
Related Links
JEE Main 2021 Exam Analysis (Phase 3, 2 & 1) |
Subject-wise Difficulty Level of JEE Main 31st August Shift 1
The subject-wise difficulty level of JEE Main 31st August Shift 1 is as follows -
| Name of the Subject | Total No. of Easy Questions | Total No. of Medium Questions | Total No. of Difficult Questions |
| Chemistry | 10 | 18 | 0 |
| Mathematics | 8 | 10 | 2 |
| Physics | 10 | 11 | 9 |
Division of Syllabus in JEE Main 31st August Shift 1
The division of Class 11 & 12 syllabus in JEE Main 31st August 2021 Shift 1 is as follows -
| Name of the Subject | Total No. of Questions from Class 11 Syllabus | Total No. of Questions from Class 12 Syllabus |
| Chemistry | 11 | 17 |
| Mathematics | 10 | 10 |
| Physics | 16 | 14 |
Physics Chapter-Wise Weightage in JEE Main 31st August Shift 1
The chapter-wise weightage of Physics in JEE Main 31st August 2021 Shift 1 is as follows -
| Name of the Chapter | Total No. of Questions |
| Electrodynamics | 8 |
| Heat & Thermodynamics | 2 |
| Mechanics | 11 |
| Modern Physics | 5 |
| Optics | 2 |
| SHM & Waves | 2 |
Physics Topic-Wise Weightgae in JEE Main 31st August Shift 1
The topic-wise weightage of Physics in JEE Main 31st August 2021 Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Alternating Current | 1 |
| Capacitance | 1 |
| Current Electricity | 3 |
| Electro Magnetic Field | 1 |
| Electro-Magnetic Induction | 1 |
| Electrostatics | 1 |
| KTG & Thermodynamics | 2 |
| Centre of Mass | 2 |
| Circular Motion | 1 |
| Elasticity & Viscosity | 2 |
| Gravitation | 1 |
| Rectilinear Motion & Vectors | 1 |
| Rigid Body Dynamics | 1 |
| Unit & Dimension | 2 |
| Projectile Motion | 1 |
| Electromagnetic Waves & Communication | 1 |
| Nuclear Physics | 1 |
| Semiconductors | 2 |
| Atomic Physics | 1 |
| Geometrical Optics & Physical Optics | 2 |
| SHM | 1 |
| String Wave | 1 |
Mathematics Chapter-Wise Weightgae in JEE Main 31st August Shift 1
The chapter-wise weightage of Mathematics in JEE Main 31st August 2021 Shift 1 is as follows -
| Name of the Chapter | Total No. of Questions |
| Binomial Theorem | 1 |
| Complex Numbers | 1 |
| Coordinate Geometry | 2 |
| Differential Calculus | 3 |
| Integral Calculus | 4 |
| Mathematical Reasoning | 1 |
| Matrix & Determinants | 1 |
| Permutation & Combination | 1 |
| Sequence & Series | 2 |
| Statistics | 1 |
| Trigonometry | 2 |
| Vector & 3D | 1 |
Mathematics Topic-Wise Weightage in JEE Main 31st August Shift 1
The topic-wise weightage of Mathematics in JEE Main 31st August 2021 Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Binomial Theorem | 1 |
| Complex Numbers | 1 |
| Parabola | 1 |
| Straight Line | 1 |
| Application of Derivatives | 1 |
| Continuity & Derivability | 1 |
| Limit | 1 |
| Definite Integration | 1 |
| Differential Equation | 2 |
| Indefinite Integration | 1 |
| Mathematical Reasoning | 1 |
| Matrices & Determinants | 1 |
| Permutation & Combination | 1 |
| Sequence & Series | 1 |
| Statistics | 1 |
| Trigonometric Ratio & Identities | 2 |
| Vector | 1 |
Chemistry Chapter-Wise Weightage in JEE Main 31st August Shift 1
The chapter-wise weightage of Chemistry in JEE Main 31st August Shift 1 is as follows -
| Name of the Chapter | Total No. of Questions |
| Inorganic Chemistry-1 | 6 |
| Inorganic Chemistry-2 | 4 |
| Organic Chemistry-2 | 9 |
| Physical Chemistry-1 | 4 |
| Physical Chemistry-2 | 5 |
Chemistry Topic-Wise Weightage in JEE Main 31st August Shift 1
The topic-wise weightage of Chemistry in JEE Main 31st August Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Chemical Bonding | 2 |
| Environmental Chemistry | 1 |
| p-block (13-14) Grp | 1 |
| Periodic Table & Periodicity in Properties | 1 |
| s-block | 1 |
| d-block & f-block Elements | 1 |
| Metallurgy | 1 |
| Qualitative Analysis | 1 |
| p-Block 17-18 Grp | 1 |
| Biomolecules | 1 |
| Grignard Reagent, Reduction, Oxidation & Hydrolysis | 2 |
| Organic Reaction Mechanism II | 2 |
| Polymers | 1 |
| Organic Reaction Mechanism IV | 1 |
| Organic Reaction Mechanism III | 1 |
| IUPAC & Isomerism | 1 |
| Atomic Structure & Nuclear Chemistry | 1 |
| Gaseous State | 1 |
| Ionic Equilibrium | 1 |
| Mole Concept | 1 |
| Chemical Kinetics | 3 |
| Solution & Colligative Properties | 1 |
| Surface Chemistry | 1 |
Aakash Institute JEE Main 31st August 2021 Shift 1 Analysis
Here are the major highlights of JEE Main 31st August 2021 Shift 1 analysis by Aakash Institute -
- The overall difficulty level of the paper was moderate with good syllabus coverage
- Mathematics was moderate but some questions were lengthy
- Mathematics had almost 7-8 questions from Calculus, 5 from Algebra, 3 to 4 from Vector & 3D, 4 from Coordinate Geometry
- Physics was moderate in terms of difficulty level
- The Physics section had almost 5 questions from Mechanics, 3 from Thermodynamics, 2 from Optics and 2 from Semiconductors
- The chemistry section was easy to moderate, and there were an equal number of questions from Organic, Inorganic and Physical Chemistry
- Physical Chemistry had almost numerical questions
- There were also questions from Biomolecules, Polymers and Chemistry in Everyday Life
JEE Main 31st Aug 2021 Shift 1 Question Paper
You can download the PDF of JEE Main 31st Aug 2021 Shift 1 memory-based question paper from the link available below.
JEE Main 2021 Phase 4 Question Paper PDF(Available) |
JEE Main 31st Aug 2021 Shift 1 Unofficial Answer Key
Till the official answer key of JEE Main 2021 Phase 4 is released, you can download the unofficial answer key to estimate your score or percentile. The PDF can be downloaded through the link below.
Related Links
JEE Main 2021 Phase 4 Exam Analysis (All Shifts)
You can check the shift-wise exam analysis of JEE Main 2021 Phase 4 by clicking on the links below –
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JEE Main 31st Aug 2021 Shift 1 Question Paper Analysis – Available on this Page | - |
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