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JEE Main February 2021 for B.Tech (Paper 1) has been conducted on February 25. Check the detailed exam analysis of JEE Main 25th February Shift 1 exam along with memory-based questions, solutions and answer key. The overall difficulty level of the paper was moderate.
The Day 3 Shift 1 of JEE Main 2021 (Phase 1) has been conducted on February 25 from 9:00 AM to 12:00 PM. The exam is for Paper 1, which is conducted for admission in B.Tech. The exam pattern of JEE Main 2021 has been revised, and the question paper has a total number of 90 questions. There are ten numerical questions from each section, and the candidates have to answer any five from each section. The question paper consists of questions from Physics, Chemistry and Mathematics. You can check the detailed JEE Main 2021 exam analysis for the exam scheduled on February 25 (shift 1) here. Also, you can check the memory-based questions & solutions here. JEE Main 2021 response sheet will be released within two days after the exam.
| JEE Main 2021 Paper 1 (B.Tech) Answer Key |
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JEE Main 25th Feb 2021 Shift 1 Analysis Video
JEE Main 25 th Feb 2021 Shift 1 Exam Analysis
The exam analysis of JEE Main 25 th Feb 2021 Shift 1 has been updated here. Some students felt that Mathematics was difficult. The Chemistry section had more questions from Organic Chemistry. The question paper nature is almost similar to previous years, and there is equal weightage of questions from Class 11th and 12th syllabus. 16 to 18 questions can be considered as good attempts in each section. If you had taken the exam in this shift, you can share your feedback on Whats App Number 9059528251 or E-Mail ID sakunth.kumar@collegedekho.com
Aspect | Analysis |
|---|---|
Overall Difficulty Level of the Exam | Moderate |
Difficulty Level of Mathematics | Moderate to Difficult |
Difficulty Level of Physics | Easy to Moderate |
Difficulty Level of Chemistry | Easy |
Topics with More Weightage in Mathematics |
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Topics with More Weightage in Physics |
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Topics with More Weightage in Chemistry |
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Difficulty Level of NAT Questions | Moderate |
Expected Average Number of Good Attempts | 50-55 |
Division of Syllabus in JEE Main 25th Feb Shift 1
The division of syllabus in JEE Main 25th Feb Shift 1 is as follows -
| Name of the Subject | Total No. of Questions from Class 11th Syllabus | Total No. of Questions from Class 12th Syllabus |
|---|---|---|
| Chemistry | 12 | 18 |
| Mathematics | 11 | 19 |
| Physics | 15 | 13 |
Physics Chapter Wise Weightage of JEE Main 25th Feb Shift 1
The chapter weightage of Physics in JEE Main 25th Feb Shift 1 exam is as follows -
| Name of the Chapter | Weightage |
|---|---|
| Electrodynamics | 23% |
| Heat & Thermodynamics | 10% |
| Mechanics | 30% |
| Modern Physics | 13% |
| Optics | 10% |
| SHM & Waves | 7% |
Physics Topic Wise Weightage for JEE Main 25th Feb Shift 1
The topic-wise weightage of Physics in JEE Main 25th Feb shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
|---|---|
| Electromagnetic Field | 3 |
| Electrostatics | 2 |
| Electro-Magnetic Induction | 2 |
| KTG & Thermodynamics | 3 |
| Rectilinear Motion & Vectors | 1 |
| Gravitation | 3 |
| Unit & Dimension | 1 |
| Elasticity & Viscosity | 1 |
| Circular Motion | 1 |
| Work, Power & Energy | 1 |
| Error in Measurement | 1 |
| Semiconductors | 1 |
| Electromagnetic Waves & Communication | 1 |
| Modern Physics | 1 |
| Nuclear Physics | 1 |
| Geometrical Optics & Physical Optics | 2 |
| Wave Optics | 1 |
| SHM | 1 |
| Sound Waves | 1 |
Chemistry Chapter Wise Weightage of JEE Main 25th Feb Shift 1
The chapter-wise weightage of Chemistry in JEE Main 25th Feb Shift 1 is as follows -
| Name of the Chapter | Weightage |
|---|---|
| Inorganic Chemistry-I | 13% |
| Inorganic Chemistry-II | 13% |
| Organic Chemistry-2 | 27% |
| Physical Chemistry 1 | 27% |
| Physical Chemistry 2 | 13% |
| Organic Chemistry-1 | 7% |
Chemistry Topic Wise Weightage for JEE Main 25th Feb Shift 1
The topic-wise weightage for Chemistry in JE Main 25th Feb Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
|---|---|
| Chemical Bonding | 2 |
| p-Block (15-16 Grp) | 2 |
| Coordination Compounds | 1 |
| Metallurgy | 1 |
| d-Block & f-Block Elements | 2 |
| General Organic Chemistry-II | 1 |
| Hydrocarbon | 1 |
| Biomolecules | 1 |
| Polymers | 1 |
| Alkyl Halide, Alcohol & Ether | 1 |
| Carbonyl Compounds | 3 |
| Amines | 1 |
| Practical Organic Chemistry | 1 |
| Mole Concept | 1 |
| Atomic Structure & Nuclear Chemistry | 1 |
| Thermodynamics & Thermochemistry | 2 |
| Gaseous State | 1 |
| Equivalent Concept | 1 |
| Ionic Equilibrium | 2 |
| Chemical Kinetics | 1 |
| Electrochemistry | 1 |
| Surface Chemistry | 1 |
| Solution & Colligative Properties | 1 |
Mathematics Chapter Wise Weightage for JEE Main 25th Feb Shift 1
The chapter-wise weightage of Mathematics in JEE Main 25th Feb Shift 1 is as follows -
| Name of the Chapter | Weightage |
|---|---|
| Complex Numbers | 3% |
| Coordinate Geometry | 13% |
| Differential Calculus | 10% |
| Integral Calculus | 13% |
| Permutation & Combination | 7% |
| Probability | 7% |
| Sequence & Series | 3% |
| Vector & b3D | 10% |
| Mathematical Reasoning | 3% |
| Quadratic Equation | 3% |
| Trigonometry | 3% |
| Matrix & Determinants | 10% |
Mathematics Topic Wise Weightage for JEE Main 25th Feb Shift 1
The topic-wise weightage of Mathematics in JEE Main 25th Feb Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
|---|---|
| Complex Numbers | 1 |
| Ellipse | 1 |
| Parabola | 1 |
| Straight Line | 1 |
| Hyperbola | 1 |
| Limit, Continuity and Differentiability | 2 |
| Functions | 1 |
| Applications and Derivatives | 2 |
| Definite Integration | 1 |
| Differential Equation | 1 |
| Indefinite Integration | 1 |
| Area under Curve | 1 |
| Permutation & Combination | 2 |
| Probability | 2 |
| Sequence & Series | 1 |
| Vector | 2 |
| Three Dimensional Geometry | 2 |
| Mathematical Reasoning | 1 |
| Quadratic Equation | 1 |
| Height & Distance | 1 |
| Trigonometric Equation | 1 |
| Matrices & Determinants | 3 |
JEE Main 25 th Feb 2021 Shift 1 Question Paper & Answer Key
After the exam, we will update the memory-based questions shared by students on Whats App Number 9059528251 . The solutions will also be updated on this page.
Name of the Subject | Questions |
|---|---|
Mathematics | To be Updated |
Physics |
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Chemistry |
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JEE Main 2021 answer key (official) will be released within two days after the exam. JEE Main 2021 results (Phase 1) will be announced in the first week of March.
Section Wise Difficulty Level of JEE Main 25th Feb Shift 1
The section-wise difficulty level of JEE Main 25th Feb Shift 1 is as follows -
| Name of the Section | Total No. of Easy Questions | Average | Difficult |
|---|---|---|---|
| Physics | 16 | 11 | 4 |
| Chemistry | 17 | 10 | 3 |
| Mathematics | 15 | 9 | 6 |
JEE Main February 2021 Exam Analysis (All Shifts)
Also Read
| JEE Main March 2021 Application Form | JEE Main March 2021 Admit Card |
