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JEE Main 2021 March 16 Shift 1 Question Paper with Answer Keys & Solutions

Last updated date: 08th Dec 2023
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Question Paper Solutions 16 March Morning JEE Main 2021

Download free JEE Main 2021 Question Paper Solutions to ace your exams on the 16th March Morning covering Physics, Chemistry, and Mathematics. 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.

JEE Mains is one of the biggest entrance examinations in the country. It offers admissions to top colleges such as IITs and NITs to their engineering courses. Every year lakhs of students compete to crack JEE Main. Thus, for exams like JEE Mains, the preparation has to be consistent.


JEE Main Question Papers


Text, Images, Videos and PDF


JEE Main

Academic Session:



English Medium



Date and Month:

16th- March


Shift-1 Morning

Available Material:

JEE Main Previous Year Question Papers with PDF

Advantages of Solving A Previous Year's JEE Mains Question Paper

Solving previous year's papers is an essential element of any exam preparation. For exams like JEE, students must completely solve the previous year's paper. To familiarize yourself with the various sorts of questions. Some of the advantages of solving a prior year's JEE Main paper include: 

  • Get to Know the Exam: Students can familiarize themselves with the marking scheme, JEE Main 2021 exam structure, types of questions, chapter weighting, and so on by solving the previous year's papers. Students might also get a sense of recurring topics throughout time. It will help students in gaining an understanding of the types of questions that would be asked in JEE Mains.

  • Managing Time: The JEE Main question paper is divided into three portions. It is important to keep track of the time to finish all three sections. Solving previous year's papers will assist you in determining how much time to devote to each area.

  • Speed and Accuracy: Practicing papers help students in improving their general accuracy and speed. While solving past year's papers, candidates pick up new shortcut tricks that will be very useful in the actual examination.

Major Highlights of JEE Main 2021 March 16 Shift 1

Let us check the major highlights which were shared by the students:

  1. The overall difficulty of the paper was quite a moderate one.

  2. The Physics section was also of a moderate level.

  3. The chemistry section was quite difficult. 

  4. The math section was moderately challenging. 

  5. 14 to 16 questions from each section are considered to be good attempts. 

JEE Main 2021 March 16 (Shift 1) Question Paper Analysis



Overall difficulty level of the exam


Difficulty level of Maths


Difficulty level of Physics


Difficulty level of Chemistry


Chapter with more weightage in Maths

Vector 3D, Integral Calculus, and Differential Calculus

Chapter with more weightage in Physics 

Modern Physics, Mechanics, and Electrodynamics

Chapter with more weightage in Chemistry 

Inorganic Chemistry and Organic Chemistry

The difficulty level of questions in the paper


Expected number of good attempts


Difficulty Level of Questions in JEE Main 2021 March 16 Shift 1

The section-wise difficulty level for 16th March 2021 JEE Mains Shift 1 is discussed below.


Easy Questions

Moderate Questions

Difficult Questions













Weightage for all the Subjects in JEE Main 2021 March 16 Shift 1

Chapter-Wise Physics Weightage

Name of the Chapter








Modern Physics




Simple Harmonic Motion


Chapter-Wise Chemistry Weightage

Name of the Chapter


Inorganic Chemistry I


Inorganic Chemistry II


Organic Chemistry I


Organic Chemistry II


Physical Chemistry I


Physical Chemistry II


Chapter-Wise Maths Weightage

Important Chapters for Chemistry JEE Main 2022 

Year-Wise JEE Main Previous Year Question Papers

FAQs on JEE Main 2021 March 16 Shift 1 Question Paper with Answer Keys & Solutions

1. What is the pattern of the JEE Mains question paper?

The paper comprises three sections: Mathematics, Physics and Chemistry. Each section has 100 marks. Thus, the total number of marks on the exam is 300.

All the subjects will further have two sections. Section A will contain 20 MCQs which are all compulsory. Section B will have 10 numerical value questions, out of which only 5 are to be attempted.

2. What is the marking scheme of the JEE Mains question paper?

The paper has a total of 75 questions. 25 each from three sections i.e Math, Chemistry and Physics. The three sections have in total 60 MCQs which are all compulsory and 30 numerical value questions, out of which 15 has to be attempted. 

  • For MCQ’s: 4 marks will be given for every correct answer and 1 negative marking for every wrong answer.

  • For Numerical value answers: 4 marks are given for each correct answer. But there will be no negative marking in the case of numerical value questions.

3. How many years of previous year papers should I solve?

JEE Main preparation is insufficient without solving previous year papers. One gets a sense of the exam, the question structure, the complexity of the questions, and so on. It also helps with the development of the speed and accuracy required to pass the exam. The answer to the question of how many papers you should solve is that there are no restrictions. The more problems you solve, the better you get. However, try to solve at least ten years' worth of papers.

4. How important is routine in preparation for the JEE Mains exam?

For any examination, having a schedule is essential. Aspirants must first establish a practical and effective routine. And it is not enough to merely create a routine; the candidate must stick to it. It is impossible to finish the syllabus, solve sample problems, solve previous year papers, and more without a routine. It is necessary to have a well-planned preparation timetable. Making a routine will assist applicants in staying on track at all times.

5. How can previous year's JEE Main question papers be included in the study plan?

Here are some tips for students who want to improve their exam preparation by using previous year papers:

  • At the very least, try to complete one paper every day. Make a note of it in your schedule and make sure you stick to it.

  • Look for books with previous year's questions organized by chapter or topic. This way, after you have finished learning a topic, you will be ready to answer questions about it right away.

  • Solve a paper on the timing of the real examination every day during the last month of the examination. 9-12 or 3-6.

  • Solving the paper alone will not do. It is necessary to do a thorough analysis of the paper so that students may identify their shortcomings.

  • Solve at least ten years' worth of papers.