JEE Main 18th March 2021 Shift 1 Question Paper Analysis (Available), Answer Key, Solutions
Day 3 & Shift 1 of JEE Main March 2021 for B.Tech (Paper 1) has been conducted on March 18. Check the detailed exam analysis of JEE Main 18th March Shift 1 exam along with memory-based questions, solutions and answer key. The overall difficulty level of the paper was moderate.
Day 3 Shift 1 of JEE Main 2021 (Phase 2) has been conducted on March 18 for B.Tech (Paper 1). As per the revamped JEE Main 2021 exam pattern, the question paper is a combination of 90 questions from the Physics, Chemistry and Mathematics sections. Out of 10 Numerical questions (NTA) from each of the three sections, the candidates have the choice to answer any five. While there is no negative marking for NAT questions, MCQs hold a negative mark for each wrong answer. You can check the detailed JEE Main 2021 exam analysis for the Shift 1 exam scheduled on March 18 along with the memory-based question paper and answer key. The official JEE Main 2021 answer key will be released within three days after the exam.
JEE Main 18th March 2021 Shift 1 Exam Analysis
The exam analysis of JEE Main 18th March 2021 Shift 1 has been updated here. Most of the questions from Physical Chemistry were numerical. The mathematics section turned out to be difficult and lenghty again. If you had appeared for the exam, you can share your feedback and questions on 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 |
Chapters with More Weightage in Mathematics |
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Chapters with More Weightage in Physics |
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Chapters with More Weightage in Chemistry |
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Difficulty Level of Numerical Questions | Average |
Expected Number of Good Attempts | 72-75 |
Difficulty Level - Feb 26th Shift 1 vs March 18th Shift 1 | Only Mathematics has been lengthy, and the difficulty level of the other sections is almost the same. |
Also Check:JEE Main 2021 March vs February Analysis - Detailed Comparison
Section Wise Difficulty Level of JEE Main 18th March Shift 1
The section-wise difficulty level of JEE main 18th March Shift 1 is as follows -
| Subject | Total No. of Easy Questions | Moderate | Difficult |
| Chemistry | 15 | 14 | 0 |
| Mathematics | 17 | 11 | 0 |
| Physics | 16 | 14 | 0 |
Maths Chapter Wise Weightage of JEE Main 18th March Shift 1
The chapter-wise weightage of Mathematics in JEE Main 18th March Shift 1 is as follows -
| Name of the Chapter | Weightage |
| Binomial Theorem | 3% |
| Complex Numbers | 3% |
| Coordinate Geometry | 13% |
| Differential Calculus | 10% |
| Integral Calculus | 13% |
| Permutation & Combination | 7% |
| Sequence & Series | 7% |
| Vector & 3D | 10% |
| Statistics | 3% |
| Trigonometry | 7% |
| Matrix & Determinants | 10% |
| Fundamentals of Mathematics | 7% |
Maths Topic Wise Weightage of JEE Main 18th March Shift 1
The topic-wise weightage of JEE Main 18th March Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Binomial Theorem | 1 |
| Complex Numbers | 1 |
| Straight Line | 2 |
| Circle | 2 |
| Limit, Continuity and Differentiability | 2 |
| Functions | 1 |
| Definite Integration | 1 |
| Differential Equation | 1 |
| Indefinite Integration | 2 |
| Permutation & Combination | 2 |
| Sequence & Series | 2 |
| Vector | 1 |
| Three Dimensional Geometry | 2 |
| Statistics | 1 |
| Inverse Trigonometric Function | 1 |
| Trigonometric Equation | 1 |
| Matrices & Determinants | 3 |
| Fundamentals of Mathematics | 2 |
Chemistry Chapter Wise Weightage of JEE Main 18th March Shift 1
The chapter-wise weightage of Chemistry in JEE Main 18th March Shift 1 is as follows -
| Name of the Chapter | Weightage |
| Inorganic Chemistry-I | 17% |
| Inorganic Chemistry-II | 10% |
| Organic Chemistry-I | 7% |
| Organic Chemistry-II | 27% |
| Physical Chemistry-I | 20% |
| Physical Chemistry-II | 17% |
Chemistry Topic Wise Weightage of JEE Main 18th March Shift 1
The topic-wise weightage of Chemistry in JEE Main 18th March Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Chemical Bonding | 1 |
| Environmental Chemistry | 1 |
| Periodic Table & Periodicity in Properties | 1 |
| s-block | 2 |
| Coordination Compounds | 2 |
| Metallurgy | 1 |
| Hydrocarbon | 1 |
| Practical Organic Chemistry | 1 |
| Biomolecules | 2 |
| Chemistry in Everyday Life | 1 |
| Alkyl Halide, Alcohol & Ether | 1 |
| Grignard Reagent, Reduction, Oxidation & Hydrolysis | 2 |
| Amines | 1 |
| Stereoisomerism | 1 |
| Mole Concept | 3 |
| Atomic Structure & Nuclear Chemistry | 1 |
| Thermodynamics & Thermochemistry | 1 |
| Ionic Equilibrium | 1 |
| Chemical Kinetics | 1 |
| Electrochemistry | 1 |
| Solid State | 1 |
| Surface Chemistry | 1 |
| Solution & Colligative Properties | 1 |
Physics Chapter Wise Weightage of JEE Main 18th March Shift 1
The chapter-wise weightage of Physics in JEE Main 18th March Shift 1 is as follows -
| Name of the Chapter | Weightage |
| Electrodynamics | 27% |
| Heat & Thermodynamics | 7% |
| Mechanics | 40% |
| Modern Physics | 17% |
| Optics | 7% |
| SHM & Waves | 3% |
Physics Topic Wise Weightage of JEE Main 18th March Shift 1
The topic-wise weightage of Physics in JEE Main 18th March Shift 1 is as follows -
| Name of the Topic | Total No. of Questions |
| Capacitance | 2 |
| Current Electricity | 1 |
| Electro Magnetic Field | 1 |
| Electrostatics | 1 |
| Electro-Magnetic Induction | 1 |
| Alternating Current | 2 |
| KTG & Thermodynamics | 2 |
| Rigid Body Dynamics | 1 |
| Centre of Mass | 1 |
| Rectilinear Motion & Vectors | 2 |
| Gravitation | 2 |
| Fluid Mechanics & Properties of Matter | 1 |
| Work, Power & Energy | 1 |
| Relative Motion | 1 |
| Elasticity & Viscosity | 1 |
| Error in Measurement | 2 |
| Semiconductors | 1 |
| Electromagnetic Waves & Communication | 1 |
| Modern Physics | 2 |
| Nuclear Physics | 1 |
| Geometrical Optics & Physical Optics | 1 |
| Wave Optics | 1 |
| SHM | 1 |
JEE Main 18th March 2021 Shift 1 Question Paper & Answer Key
We have updated the memory-based question paper of JEE Main 18th March 2021 Shift 1 on the basis of questions shared by students along with the answers here. You can click on the links below to check and download the PDF of the memory-based question paper & answer key.
Also Check
| JEE Main 2021 Chemistry Question Paper & Answer Key | JEE Main 2021 Physics Question Paper & Answer Key | JEE Main 2021 Maths Question Paper & Answer Key |
JEE Main 2021 response sheet will be available within 3 days after the exam. On the other hand, the Phase 2 (March) JEE Main 2021 Results are expected to be released by the last week of March.
JEE Main March 2021 Exam Analysis (All Shifts)
You can click on the links below to check the JEE Main March 2021 exam analysis for all shifts –
JEE Main 18th March 2021 Shift 1 Analysis - Available on this Page |
JEE Main February 2021 Exam Analysis
Candidates appearing for the March 2021 exam of JEE Main on 18th (Shift 2) can check the February 2021 shift-wise exam analysis to have a basic idea of difficulty level, topic-wise weightage and syllabus coverage. You can click on the links below to check the analysis –
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