5 Most Important Topics for NEET 2025 – A Subject-Wise Breakdown

NEET 2025: 5 Most Important Topics: The NEET 2025 exam is one of the high-competition level exams for admission to MBBS and BDS courses. The exam covers the vast syllabus of classes 11th and 12th in Physics, Chemistry, and Biology.

Read the full blog for details about the five most important topics in the NEET 2025 exam for effective exam preparation.

NEET 2025 Exam: Important Dates

The important dates for the NEET 2025 exam are mentioned in the table below:

NEET 2025 Exam: Important Dates
NEET 2025 Application Started	7th February 2025
NEET 2025 Application Last Date	7th March 2025
NEET 2025 Admit card	Three days before the exam
NEET 2025 Exam Date	4th May 2025
NEET 2025 Exam Result	14th June 2025 (Tentative)

Subject-wise 5 Most Important Topics for NEET 2025 Preparation

Physics – Key Topics for NEET 2025

Physics is one of the most challenging subjects for NEET aspirants. The subject requires conceptual understanding and numerical skills to score good marks. The most important topics for the NEET Physics exam are:

1. Mechanics:  It is one of the most important units for the NEET exam preparation. Around 8-10 questions are asked from this unit, comprising 30-35% of the NEET exam paper. The chapters under this unit are Laws of Motion, Work, Energy & Power.

2. Thermodynamics & Heat Transfer: This unit comprises 3-4 questions in the NEET exam paper and requires a thorough understanding of the concepts. 

3. Electrodynamics: This unit comprises chapters such as Electric Charges and Fields, Electrostatic Potential and Capacitance, Current Electricity, Moving Charges and Magnetism, Electromagnetic Induction, and Alternating Current. They cover around 20% of the NEET exam paper, and 6-8 questions are asked from this unit.

4. Optics: Comprises ray & wave optics is one of the toughest units to understand and comprehend. A thorough understanding of the concepts and regular revision is essential to hone the unit. 4-6 questions are asked from this unit.

5. Modern Physics: Chapters such as Atoms & Nuclei and Semiconductors come under this unit. 10% of questions in the NEET exam paper are asked from this unit therefore, students should study this chapter for sure.

Check out the Exam Day Tips to Reduce Negative Marking in NEET 2025

Chemistry – Key Topics for NEET 2025

The three main sub-sections of chemistry are organic, inorganic and physical chemistry. It is one of the scoring subjects, as most of the questions are directly related to concepts. Studying NEET chemistry from NCERT books can help you score well in the exam. The top 5 important chapters in chemistry are:

1. Organic Chemistry: It comprises chapters such as General Organic Chemistry, Hydrocarbons, Biomolecules, etc. Learning the reaction mechanism of organic chemistry is essential for scoring more. 26% of the NEET exam paper comes from this section.

2. Inorganic Chemistry: It is one of the most important parts of chemistry. Chapters such as Chemical Bonding, Periodic Table, and Coordination Compounds. 22% weightage is given for the inorganic chemistry in the NEET exam paper. 

3. Physical Chemistry: Chapters such as thermodynamics, Electrochemistry, Chemical Kinetics, etc., are included in the physical chemistry for the NEET exam. 17% of questions are asked from this section and comprise 10-12 questions. Practising numerical problems and understanding formula derivation is important to score more in physical chemistry.

4. Surface Chemistry & States of Matter: 4% of the questions are based on surface chemistry for the NEET exam preparation. Students should understand the concepts and theory to answer the multiple-choice questions from this unit.

5. Mole Concept & Stoichiometry: They have a moderate to high weightage in the Physical Chemistry portion, accounting for around 5-8% of total chemistry questions on the exam, making them vital topics to thoroughly study for NEET preparation.

Also read 10 Tips to Handle Stress During NEET Preparation 2025

Biology – Key Topics for NEET 2025

Biology covers 50% of the NEET exam paper. The subject is descriptive and requires a thorough understanding of the concepts. Reading NCERT books for classes 11th & 12th can help you answer most of the biology questions. The top important topics for NEET biology are:

1. Human Physiology: 12-18% of the questions are asked from this unit. It is one of the most complex units in biology and requires expert guidance to understand. Chapters such as Digestive, Circulatory, & Nervous Systems are included in this unit.

2. Genetics & Evolution: 15-24% weight is given to this unit. It is a vast unit and requires thorough understanding to answer questions. Regular revision and practice are essential to get an understanding of genetics.

3. Ecology & Environment: 10-16% of the total marks in the NEET exam paper come from this unit. Topics covered in this unit are Organisms and Populations, Ecosystems, Biodiversity and its Conservation.

4. Cell Structure & Function: It is one of the easiest and most high-weightage chapters in biology. The chapter covers the study of cell walls, cell membranes, cytoplasm, nucleus, and cell organelles. 15 – 17% of questions come from this chapter.

5. Biotechnology & Its Applications: Biotechnology is a multidisciplinary field that combines engineering and natural sciences to use organisms and their parts for products and services. 4-5% of NEET exam papers come from this chapter. 

Study Strategies for NEET 2025

Students must incorporate the following strategies in their NEET 2025 preparation and excel in the exam with good scores.

1. Use NCERT Books for Preparation: NCERT books for classes 11th & 12th in physics, chemistry, and biology are best for understanding concepts. Reading NCERT books for biology and chemistry will help you to solve around 70% of the question paper.
2. Plan Wisely: A well-structured preparation plan taking into account the topic weightage and marks in each subject should be prepared. It will help you to track the preparation status.
3. Practice with Previous Year Papers & Mock Tests: Practising the last 10-year exam papers will help to get familiar with the exam pattern, difficulty level, types of questions, and marking scheme. It will also boost your confidence and help in developing your time management skills.
4. Focus on Time Management: Time is very important in the NEET exam. Set daily, weekly and monthly targets. Practice exam papers under exam exam-simulated environments to reduce stress and exam anxiety.
5. Regular Revision is Key: Makes notes to revise topics at regular intervals. Use smart and quick revision techniques such as flashcards, flow charts, diagrammatic representations, mnemonic techniques, and Pomodoro to make your revision more effective.
6.  Take Coaching Support: Some students think that they can study on their own, but when they are stuck on some complex topic, they realise their mistake of not seeking guidance. It is advisable to enroll with some reputed coaching, such as Chaitanya Academy, to seek clarification on each topic.
7. Stay Positive & Motivated: Having a positive attitude towards the NEET preparation not only boosts your confidence but also elevates your preparation. Take proper rest, a nutritious diet and a short break to keep yourself energised during the preparation.

Passing the NEET exam seems challenging, but understanding the important topics and a well-structured preparation plan can help you score good marks. Chaitanyas Academy is one of the best NEET coaching institutes in Pune, Baramati, Ahaliya Nagar, and Ranchi for classes 11th, 12th and repeaters. The institute has a proven track record of success in competitive exams with a team of expert faculty. Join Chaitanya Academy to ensure your success in NEET.