JEE Main 2021: Check important chapters and last minutes preparation tips for 25 July Exam
Joint Entrance Exam (JEE) Main 2027 ( JEE Main )
JEE Main 2027 Registration Session 1
24 Oct '26 - 22 Nov '26
JEE Main 2021 July 25 exam will be held as a computer-based test. Read to know JEE Main important topics and last-minute tips to prepare for the entrance examination.
National Testing Agency is currently conducting JEE Main 2021 as a computer-based test at various centres. Since JEE Main is a national level examination, the competition level for BTech admissions into the participating institutes is very high. For the JEE Main 25 July exam, candidates need to be well prepared and have a good strategy to score high ranks. Few days before the exam, candidates should focus on important chapters and last minute preparation tips. By focusing on these tips, the candidates will be able to boost their preparation for the upcoming JEE Main exam.
JEE Main July 25 shift 1 question paper will be conducted from 9 AM to 12 Noon by NTA. Candidates who have to solve JEE Mains 2021 July 25 shift 2 question paper will have to attempt the exam from 3 PM to 6 PM. After the conclusion of the exam, JEE Mains 2021 25 July shift 1 answer key will be released by various coaching centres. JEE Main answer key for shift 2 will also be available online.
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Important Chapters for JEE Main 2021 July 25
Candidates can check the important chapters which may have more weightage in the JEE Main 2021 July 25 shift 1 question paper. The same will be applicable for JEE Mains 2021 July 25 shift 2 question paper.
Important Chapters for JEE Main 2021 Physics
| Topics |
|---|
| Electromagnetic Induction & Alternating Current |
| Heat & Thermodynamics |
| Waves & Sound |
| Electromagnetic Waves |
| Error & Instrument Analysis |
| Oscillations |
| Rotation |
| Current Electricity & Capacitors |
| Semiconductors |
| Ray Optics |
| Bohr’s Atomic Model |
| Gravitation |
| Rotation |
| Properties of Matter |
Important Chapters for JEE Main 2021 Chemistry
| Topics |
|---|
| Alkyl Halides |
| Gaseous & Liquid State |
| Coordination Compound |
| Isomerism |
| Carboxylic Acids & Its Derivatives |
| Atomic Structure |
| Electrochemistry |
| General Organic Chemistry |
| d-Block Elements |
| Thermodynamics |
| Nuclear & Surface Chemistry |
| Aromatic Compounds |
| p-Block Elements |
| Aldehydes and Ketones |
| Chemical Bonding |
Important Chapters for JEE Main 2021 Mathematics
| Topics |
|---|
| Definite Integral & Area Under the Curve |
| Application of Derivatives |
| 3 Dimensional Geometry |
| Conic Sections |
| Sequence & Series |
| Vectors |
| Sequence & Series |
| Complex Number |
| Binomial Theorem & M. I. |
| Circle |
| Probability Distribution (Binomial + Mean & Variance) |
| Determinant & Matrices |
| Limits, Continuity & Differentiability |
| Quadratic Equation |
| Functions |
| Straight Line |
Last Minutes Preparation Tips for JEE Main 2021 25 July Exam
Candidates can check the last minute preparation tips for JEE Main 2021 exam that will be held on July 25.
Focus on Revision
Revision is very important before the examination. Candidates are advised to spend most of their time revising the topics and concepts that they have studied during their preparation period. This will help the candidates retain what they have studied and positively influence their performance in the JEE Main 2021 examination.
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Do Not Start New Topics
The golden rule of last-minute preparation tips is that new topics should never be studied just before the examination. By studying new topics, the candidates will have higher chances of getting confused about the concepts and formulas. Instead, the candidates should focus on strengthening their grasp on the topics that they have previously studied and revised.
Solve Mock Tests
Mock tests are a great way to test the progress of exam preparation. Since the mock tests will be similar to the question paper, the candidates will be able to familiarize themselves with how the exam will be conducted. By attempting mock tests, the candidates will also be able to identify their commonly made mistakes and work on it.
Work on Time Management
While preparing the JEE Main syllabus is important, the candidates will also have to work on their time management skills. Since the candidates have to answer many questions in a certain duration, there are chances that they might miss some due to time restraints. However, if the candidates have practiced solving past papers within the time limit then they will be able to perform well. During the exam, candidates are advised to allot a certain time for every section so that they can finish the exam within the given duration.
Be Healthy
It is very important for the candidates to be healthy both mentally and physically during the exam. This will help them to improve their performance in the examination. Candidates are advised to get enough sleep and not indulge in social media. Intake of healthy food is necessary to stay in the best shape.
Also Read:
JEE Main Preparation Tips 2021 by Toppers: Check Syllabus, Pattern & Best Books
JEE Main 2021 Preparation: Check Important Tips & Best Books to Study
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Student Forum
Anything you would want to ask experts?Answered 17 hours ago
For the General All-India category at DIT University Dehradun, the JEE Main Round 1 closing ranks generally range from 1,20,000 to 2,50,000.
P
Beginner-Level 2
Answered 3 days ago
JECRC University Scholarship based on JEE Main scores is offered to BTech students. Check below eligibility and amount offered to BTech students at JECRC University:
Scholarship Criteria | Eligible Degree Programmes | Amount as percentage of Tuition Fee |
|---|---|---|
JEE (Main) 2026 Percentile Score 85 to 89.99 (General Category) | All BTech Programmes | 15% |
JEE (Main) 2026 Percentile Score more than 90 (General Category) | All BTech Programmes | 25% |
G
Contributor-Level 10
Answered 2 weeks ago
Top Aerospace and Aeronautical Engineering colleges in India that do not require JEE Main rely instead on private entrance exams, state-level tests, or direct merit admissions. Check the table below for the Aerospace engineering colleges in India without JEE.
| Top Colleges | Tuition Fee |
|---|---|
| Amity University, Noida | INR 11.4 lakh |
| Presidency University, Bangalore | INR 9 lakh |
| SNS College of Technology | INR 2 lakh |
| Parul University | INR 7.8 Lacs - INR 10.8 lakh |
| Amity University, Mumbai | INR 4.24 lakh |
T
Contributor-Level 10
Answered 14 hours ago
If your JEE Main score is not strong, Galgotias University can be a practical option to consider. It offers multiple B.Tech programmes and gives preference to JEE Main scores while also allowing admission based on its programme-specific eligibility criteria. Compare fees, branch, curriculum, and opp
A
Beginner-Level 2
Answered 4 weeks ago
According to the tentative schedule, JEE Main 2027 counselling registration is likely to commence in June 2027 after the conclusion of both exam sessions.
H
Beginner-Level 5
Answered 4 weeks ago
The cutoff rank in Round 7 for BTech Computer Science & Engineering under General All India category is 53,013. It is the most competitive branch in the institute.
H
Beginner-Level 5
Answered 4 weeks ago
Yes, JEE Main is compulsory for admission in B.Tech course at SGSITS.
H
Beginner-Level 5
Answered 4 weeks ago
After qualifying JEE Main, students need to register themselves for MP BE Counselling, choose colleges/branches, attend rounds and verify documents to secure admission.
H
Beginner-Level 5
Answered 4 weeks ago
Getting into B.Tech CSE is straightforward. You need to have passed 10+2 with Physics and Mathematics, along with Chemistry, Biotechnology, Biology, or a Technical Vocational subject. Marks from boards like CBSE, ISC, and PSEB are accepted. JEE Main scores are also recognised under the RBUEdge Schol
P
Contributor-Level 6
Education: B.A. (Hons) in Psychology (Lady Shri Ram College for Women)
Expertise: Engineering Entrance Exam Expert
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