Most Repeated Topics of NEET Biology, Chemistry and Physics
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Most repeated topics of NEET Biology, Physics and Chemistry are provided on this page based on the analysis of previous years question papers. Also, download NEET PYQ with solutions PDF of last five years.
Most Repeated Questions in NEET Biology, Chemistry and Physics
What are the most repeated questions in NEET? is one of the most common query of NEET aspirants. To simply answer this question, it can be said that exact questions are not repeated in the NEET question papers. However, questions from same concepts, chapters and topics are repeated. Hence, it is important to have conceptual clarity on the high-weightage chapters and topics of NEET. Check the most common concepts, chapters and topics from Physics, Chemistry and Biology sections of NEET on this page. Candidates can also download the last 5 years NEET question papers PDF below.
- Most Repeated Topics of NEET Biology
- Most Repeated Topics of NEET Chemistry
- Most Repeated Topics of NEET Physics
- NEET 2026 Exam Pattern
- NEET Previous Years' Question Papers: PDF Download
Most Repeated Topics of NEET Biology
The Biology section carries the highest weightage in the NEET UG 2026 exam. The subject is further divided into Botany and Zoology, each carrying 45 questions. The total number of questions is 90. The most repeated questions in NEET Biology are generally seen from Human Physiology, Genetics and Molecular Biology, Plant Physiology, Ecology & Environment, etc. Based on the past few years’ NEET analysis, some of the most repeated topics and chapters in NEET Biology are as follows.
| Topics |
Weightage |
|---|---|
| Plant Kingdom |
10% |
| Plant Physiology |
4% |
| Cell Biology |
12% |
| Morphology of Flowering Plants |
6% |
| Plant Growth and Growth Hormones |
4% |
| Ecology-Ecosystems |
6% |
| Sexual Reproduction in Flowering Plants |
10% |
| Genetics |
18% |
| Animal Kingdom |
16% |
| Biotechnology |
18% |
| Human Reproduction and Reproductive Health |
10% |
| Microbes in Human Welfare |
8% |
Important Topics of NEET Biology Questions
Here are some of the NEET Biology important topics from the chapters with the most repeated questions are as follows:
- Genetics and Molecular Biology - Mendelian inheritance, DNA replication, transcription, translation
- Human Physiology – Circulatory, Nervous, Endocrine, Reproductive systems
- Plant Physiology – Photosynthesis, Respiration, Plant hormones
- Ecology & Environment – Biodiversity, Ecosystem, Conservation
- Cell Biology – Cell cycle, structure, biomolecules
- Biotechnology – Recombinant DNA, PCR, applications
- Reproduction – Sexual reproduction in flowering plants, human reproduction
- Evolution – Darwin’s theory, Hardy-Weinberg principle
Commonly asked questions
The NEET exam is conducted offline in pen and paper mode. The NEET exam pattern is as such-
- There are 180 MCQs.
- 45 are from Physics, 45 from Chemistry and 90 from Biology (Botany and Zoology).
- Each question is of 4 marks.
- The total marks are 720.
- The exam duration is 3 hours.
There will be no sectional qualifying criterion for NEET 2025. NTA releases overall qualifying marks or cutoff marks for each category. The overall marks will be considered while preparing the rank list for NEET. But to ensure a good score, candidates must ensure a high number of attempts with full accuracy. A skewed performance might hamper the overall marks obtained in NEET.
The NEET UG exam comprises Physics, Chemistry and Biology sections. There are a total 180 questions in the exam. The exam carries 720 marks. The section wise-wightage of these three sections is shared below-
NEET Physics- 45 questions (180 marks)
NEET Chemistry- 45 questions (180 marks)
NEET Biology (Botany & Zoology)- 90 questions (360 marks)
The NTA has introduced the given changes for NEET UG 2026 Re exam-
- The NTA extends exam duration. The re-exam will be held from 2:00 to 5:15 PM.
- The NTA has increased the rough work space to 4 pages.
- The NTA redesigns the question paper booklet by adding two rough pages just after the introduction.
Most Repeated Topics of NEET Chemistry
The Chemistry section of NEET is divided into Organic Chemistry, Inorganic Chemistry and Physical Chemistry. There are 45 questions from NEET Chemistry in the exam. Generally, the most repeated questions are seen from Organic and Inorganic Chemistry chapters. Have a look at the topics from which most repeated questions in NEET Chemistry have been asked in past, along with the weightage percentage.
| Topics |
Weightage |
|---|---|
| Mole Concept |
6% |
| Atomic Structure |
4% |
| Chemical Kinetics |
6% |
| Chemical Bonding |
6% |
| General Organic Chemistry |
8% |
| Grignard Reagent |
8% |
Important Topics of NEET Chemistry Questions
The important chapters and topics from which the most repeated questions in NEET Chemistry are given below.
Physical Chemistry
- Thermodynamics, Chemical Equilibrium, Electrochemistry
- Colligative properties, Rate laws
Organic Chemistry
- Alcohols, Phenols, Ethers
- Aldehydes, Ketones, Carboxylic acids
- Amines, Polymers, Biomolecules
Inorganic Chemistry
- Periodic trends, Chemical bonding
- Coordination compounds
- p-block (Group 13, 14, 15, 16, 17)
- d-block (Transition elements)
Most Repeated Topics of NEET Physics
Physics is considered to be the toughest subject in NEET. In general, the NEET Physics require not just conceptual clarity but calculative speed. Coming to the most repeated questions in NEET Physics, here we list down the important chapters and topics from Physics, along with the weightages, are given in the below table.
| Topics |
Weightage |
|---|---|
| Motion |
4% |
| KTG and Thermodynamics |
6% |
| Modern Physics |
8% |
| Electromagnetic Field |
6% |
| Current Electricity |
8% |
| Geometrical Optics |
8% |
Important Topics of NEET Physics Questions
The chapter-wise important topics in NEET Physics section are given below.
- Electrostatics & Capacitors – Coulomb’s law, potential energy, capacitance with dielectrics
- Current Electricity – Ohm’s law, Wheatstone bridge, potentiometer
- Optics – Lens formula, telescope/microscope, interference, diffraction
- Modern Physics – Photoelectric effect, Bohr’s model, nuclear reactions
- Oscillations & Waves – SHM, resonance, Doppler effect
- Thermodynamics & Heat Transfer – Carnot cycle, heat engines
- Electromagnetic Induction & AC – LCR circuits, resonance
- Mechanics – Projectile motion, circular motion, gravitation
Commonly asked questions
NEET question paper contains objective-type multiple-choice questions (MCQs). The NEET questions are asked from Physics, Chemistry and Biology. The format of questions can be-
- Direct questions
- Statement-based
- Match the following
- Assertion reason
- Diagram based questions
- Equation based
Which is the most repeated question in NEET Biology?
There are various topics or questions which have been repeated the most in NEET Biology section. Have a look at the NEET Biology most repeated questions in past few years below-
- Respiratory system
- Digestive enzymes & hormones
- Sliding filaments theory
- Mendelian crosses
- Genetic disorders (Turner, Down, Klinefelter)
- Photosynthesis
- Food chains and ecological pyramids
- Cell organelles and functions
There will be bonus marking or extra marks awarded to NEET candidates only if there is a discrepancy in the NEET answer key. Clarifying the same, NTA has stated:
1. If more than one option is found to be correct then Four marks (+4) will be awarded to only those who have marked any of the correct options.
2. If all options are found to be correct then Four marks (+4) will be awarded to all those who have attempted the question.
3. If none of the options is found correct or a Question is found to be wrong or a Question is dropped then all candidates who have appeared will be given four marks (+4) irrespective of the fact whether the question has been attempted or not attempted by the candidate.
NEET 2026 Exam Pattern
Have a look at the NEET 2026 exam pattern below-
| Subject |
Number of Questions |
Marks |
|---|---|---|
| Physics |
45 |
180 |
| Chemistry |
45 |
180 |
| Botany |
45 |
180 |
| Zoology |
45 |
180 |
| Total |
180 |
720 |
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NEET Previous Years' Question Papers: PDF Download
The table below brings the NEET question papers PDFs of the past 5 years.
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With MA in English, Rupali has more than 15 years of editorial experience. At Shiksha.com, a subsidiary of Info Edge (India) Limited, she creates content and make prep guides for students preparing for competitive e
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