JEE Main 2021 Question Paper Solutions for 17 March Shift 1


Download JEE Main 2021 Question Paper Solutions for 17 March Shift 1 PDF

Download free JEE Main 2021 Question Paper Solutions to ace your exams on the 17th March Morning covering Physics, Chemistry, and Mathematics. We have curated a list of memory-based questions and these will aid you in preparing and checking the marks efficiently for the exam held in a very short span of time. We have provided a detailed explanation of each question in JEE Main 2021 Question Paper Solutions. These materials are easily available and you may download these materials for free in PDF format. Hope the solutions that we provide for JEE Main 2021 Question Paper Solutions help you in your preparation.

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Download JEE Main 2021 Question Paper Solutions for 17 March Shift 1 PDF

JEE or the Joint Entrance Exam is conducted by the National Testing Agency (NTA) every year to award admission to candidates for undergraduate courses in B. Tech or B. Arch in prestigious universities and institutes in India. This entrance exam is considered to be one of the most difficult entrance exams of the country, attempted by over 15 lakh students each year over different sessions. 


Even though students are eligible to apply for more than one attempt over the course of one year, it is best to start preparing for the earliest session and clear the JEE Mains in the very first attempt itself. This computer-based exam has two parts: Paper I for candidates wishing to study B. Tech while Paper-II for students wishing to pursue B. Arch. JEE Mains is the sole way for students to get admission into centrally funded universities like the IITs, IIITs, NITs, etc.

Major Highlights of JEE Main 2021- Shift 1 (17 March)

  • According to the candidates initial feedback, the overall difficulty level of JEE Main 2021 17 March Shift 1 was moderate.

  • The Mathematics section was long and students found it moderate to difficult. 

  • Only one question was asked from Mathematical Reasoning whereas multiple questions were asked from the topics like Differential Equations, Conic Sections, Vectors & 3D Geometry.  Few numerical questions were also asked in Math and were quite tricky and lengthy.

  • The difficulty level of the Physics section was moderate.

  • The difficulty level of the Chemistry  section was easy. Very simple questions were asked in this section.

  • The distribution of the complete Physics syllabus was balanced in the Question paper. 

  • In Physics Sections, 2-3 questions were asked from topic Optics. Few lengthy numerical questions were asked but the level of questions was easy.

  • In the Chemistry section, almost all questions were asked from NCERT syllabus.

JEE Main 2021- Shift 1 (17 March)- Question Paper Analysis

Overall Question Paper Difficulty Level


Difficulty Level of Mathematics

Moderate To Difficult

Difficulty Level of Physics


Difficulty Level of Chemistry


Chapters with More Weightage In Mathematics

  • Integral Calculus

  • Differential Calculus

Chapters with More Weightage In Physics

  • Modern Physics

  • Electro ElectroDynamics

Chapters with More Weightage In Chemistry

Equal weightage was given to the topics  like Physical Chemistry, Organic Chemistry, and Inorganic Chemistry

Difficulty Level of Numerical Questions


Expected Number of Good Attempts


Difficulty Level - Feb 25th Shift 1 - March 17 Shift 2

Almost Similar Difficulty Level

Division of Questions

Check out section-wise difficulty level of questions in JEE Main Shift 1 (17 March)


Easy Questions

Moderately Difficult Questions

Difficult Questions














Physics Chapter-Wise Weightage in JEE Main 17 March Shift 1



Heat & Thermodynamics




Modern Physics




SHM & Waves


Chemistry Chapter-Wise Weightage in JEE Main 17 March Shift 1

Inorganic Chemistry - I


Inorganic Chemistry - II


Organic Chemistry - I


Physical Chemistry - I


Physical Chemistry - II


Math Chapter-Wise Weightage in JEE Main 17 March Shift 1

Binomial Theorem


Complex Numbers


Coordinate Geometry


Differential Calculus


Integral Calculus


Permutation And Combination




Vector & 3D


Mathematical Reasoning






Matrix & Determinants


A Brief Into JEE

The JEE Mains examination takes place over three hours during which students have to attempt 75 questions from three sections that are Chemistry, Physics, and Mathematics. The key to acing this entrance test in the very first attempt is to start the preparation early. Start by gathering the study materials and resources such as the accurate syllabus, reference books, practice papers, question papers from previous years, etc. Formulating a study schedule incorporating time for each of the three sections of the syllabus can go a long way to help students manage their time well between the different subjects and finish the syllabus on time. Practice is an essential part of preparing for any exam especially JEE Mains. 


Students must practice Important Questions for JEE Mains as well as attempt Online Mock Tests for JEE Mains at the end of their preparation to analyse their aptitude. Revision Notes for all Subjects of JEE Mains can also be downloaded from the Vedantu website to help students quickly go over all the important concepts of the chapters throughout the syllabus before the exam one last time. It also helps them revise all the important formulas that might be helpful in solving numerical problems.


Benefits of Solving the JEE Mains Question Paper

JEE is one of the most important entrance exams for engineering aspirants all over the country, and also witnesses a lot of competition amongst its candidates. To get ahead of your competitors and score great marks in the JEE Mains examination, one method students can opt for is solving the past and previous year’s question papers. This has a lot of benefits, a few of which are mentioned below:

  • Solving multiple Question papers for JEE Mains gives the students a general idea of how much time they need to solace each section of the paper and therefore they can learn to manage their time effectively between all the sections and solve as many questions as they can of the particular section within its time limit. 

  • As the number of question papers solved by students increases, their speed of solving questions as well as accuracy also increases. Candidates learn the shortcuts or simpler methods of solving particular types of questions with each question paper. 

  • JEE Mains Question Paper allows students to analyse their own performance before the final exam. This form of self-assessment allows the candidates to spot their strengths and weaknesses and also work on the concepts they are not doing well in before the exam.

  • Solving past year question papers that encompass the entire syllabus is a great way to revise the entirety of the syllabus and freshen up formulas and concepts. 

FAQs (Frequently Asked Questions)

1. What is the syllabus asked in the JEE Mains Question Paper?

The Syllabus for JEE Mains is divided into three sections or subjects are Physics, Chemistry, and Mathematics. The class 11 and 12 syllabus comprises the syllabus for JEE Mains which is asked in the question paper in the form of MCQs and Numerical value type questions. The students can download the complete JEE Mains syllabus from the Vedantu website or the app free of cost. The subjects consist of the following number of units that comprise the total syllabus for JEE Mains:

  • Mathematics: 16 Units

  • Chemistry: 28 Units

  • Physics: 21 Units

2. What is the paper pattern of the JEE Mains Question Paper?

The paper pattern for JEE Mains examination is created in a way that tests both the problem-solving and thinking skills of the students and it is customised to suit the course which the students will be pursuing post this entrance test. First of all, the JEE Mains exam takes place over two papers : Paper I for students wanting to pursue B. Tech courses and Paper II for students who wish to pursue B. Arch or B. Plan. The questions in Paper I for B. Tech have only objective-type questions (MCQs and Numerical Value) while Paper II has MCQs, numerical value questions along with Drawing Aptitude and Planning based Aptitude tests. The total marks for JEE Mains Paper I and Paper II are 300 and 400 respectively. In both the papers, 4 marks are rewarded for every correct MCQ-type question’s answer while 1 mark is deducted for every wrong answer. 

3. How many questions are to be attempted in the JEE Mains Question Paper?

The JEE Mains Question Paper has a total of 90 questions for Paper-I out of which only 75 questions need to be attempted by the students. All the three sections of the JEE Mains that are Chemistry, Physics, and Mathematics contain 30 questions each. Out of these 20 are MCQ-type questions and the rest 10 questions are numerical value type questions. Only 5 of these Numerical Value type questions are to be attempted for each subject. This makes the total number of MCQ questions to be attempted 60 out of 60 while the Numerical Value type questions to be attempted to be 15 out of the total 30. 

4. Where can I download the syllabus for the JEE Mains Question Paper?

Students who are appearing for the JEE Mains can download the syllabus for classes 11 and 12 from the final JEE Mains syllabus from the Vedantu Website. The syllabus for all subjects of the JEE Mains question paper can be downloaded from the Vedantu website or the app free of cost along with other study materials and reference materials such as revision notes, past year question papers, solutions for popular reference books, etc. The syllabus provided by Vedantu covers all the necessary topics and the name of all units so that students are well informed of the concepts coming in the JEE Mains. 

5. What are the most important topics from all three sections of the JEE Mains Question Paper?

JEE Mains syllabus gives more prevalence to some concepts and chapters more than the other when it comes to the questions in the question paper. In order to make sure that students don't miss out on the opportunity to score on the questions asked from these chapters, here's a list of important units from the three sections of the JEE Mains Question paper:


  1. Set, Relations, and Functions

  2. Coordinate Geometry

  1. Thermodynamics

  2. Electronic Devices


  1. Organic Chemistry

  2. Electrochemistry

  3. Some basic concepts of chemistry

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