Pay your college fees in 6 easy installments at 0% interest
Learn More

NEET UG 2021 Most Important Topics

Simran Saini
Simran SainiPublished On: December 16, 2020 | NEET UG

Check out the NEET UG 2021 most important topics and their weightage here. With the help of NEET 2021 most important topics and questions, you will be able to plan your exam strategy in a better way!

NEET UG Most Important Topics 2020

With AIIMS and JIPMER MBBS exams being scrapped and NEET 2021 is the only gateway to get through MBBS/ BDS colleges in India, the competition is expected to further increase. Therefore, it's time that the medical aspirants' hit starts the NEET preparation.

In the article, we will talk about NEET UG 2021 most important topics and the ones which carry maximum weightage. With the help of NEET-UG's most important topics and questions, you will be able to plan your NEET preparation strategy in a better way!

The NEET-UG question paper will consist of 180 questions and the candidates will have 180 minutes to solve them, which implies only one minute per question.

Considered one of the toughest entrance exams in the country, medical aspirants targeting NEET 2021 should prepare all the important topics of NEET 2021. Here is the list of all the important chapters and topics for NEET 2021 along with the percentage of questions.

NEET UG 2021 Most Important Topics

Check out the NEET UG 2020 most important topics subject-wise and chapter-wise along with the percentage in detail below:

NEET 2021 Most Important Topics Biology

We have come up with the most important topics of biology for NEET-UG 2021 along with the percentage of each chapter which will help you plan your strategy in advance. Biology carries the maximum weighatge in the entrance test and it comprises 90 questions in NEET 2021.

NEET 2021 Class 11th Biology Chapters

UnitName of the ChapterPercentage
1- Diversity of Living Organisms
  • The Living World
  • Biological Classification
  • Plant Kingdom
  • Animal Kingdom
2- Structural Organisation in Plants & Animals
  • Morphology of Flowering Plants
  • Anatomy of Flowering Plants
  • Structural Organisation in Animals
3-Cell: Structure and Function
  • Cell Cycle and Cell Division
  • Biomolecules
  • Cell-The Unit of Life
4- Plant Physiology
  • Plant - Growth and Development
  • Transport in Plants
  • Respiration in Plants
  • Mineral Nutrition
  • Photosynthesis in Higher Plants
5-Human Physiology
  • Chemical Coordination and Integration
  • Digestion and Absorption
  • Body Fluids and Circulation
  • Neural Control and Coordination
  • Excretory Products and Their Elimination
  • Breathing and Exchange of Gases
  • Locomotion and Movement

NEET 2021 Class 12th Biology Chapters

UnitName of the ChapterPercentage
6- Reproduction
  • Reproductive Health
  • Sexual Reproduction in Flowering Plants
  • Reproduction in Organisms
  • Human Reproduction
7- Genetics and Evolution
  • Molecular Basis of Inheritance
  • Principles of Inheritance and Variation\
  • Evolution
8-Biology and Human Welfare
  • Human Health and Diseases
  • Microbes in Human Welfare
  • Strategies for Enhancement in Food Production
9-Biotechnology and its Applications
  • Biotechnology and its Application
  • Biotechnology – Principles and Processes
10-Ecology and Environment
  • Environmental Issues
  • Organisms and Populations
  • Biodiversity and its Conservation
  • Ecosystem


NEET 2021 Most Important Topics Physics

Most of the medical aspirants when preparing for NEET struggle with the Physics syllabus and find it hard to figure out the most important topics from Physics for NEET. It is Physics that becomes a deciding factor in the NEET entrance test. Check out the most important topics of physics for NEET 2021 in detail below along with the weightage for each unit.

NEET 2021 Class 11th Physics Chapters

UnitName of the ChapterPercentage
1- Physical-world and measurement
  • Units and Measurements
  • Physical World
2- Kinematics
  • Motion in a Plane
  • Motion in a Straight Line
3-Laws of Motion
  • Laws of Motion
4-Work, Energy and Power
  • Work, Energy, and Power
5-Motion of System of Particles and Rigid Body
  • System of Particles and Rotational Motion
  • Gravitation
7-Properties of Bulk Matter
  • Mechanical Properties of Solids
  • Thermal Properties of Matter
  • Mechanical Properties of Fluids
  • Thermodynamics
9-Behaviour of Perfect Gas and Kinetic Theory
  • Kinetic Theory
10-Oscillation & Waves
  • Oscillation
  • Waves

NEET 2021 Class 12th Physics Chapters

UnitName of the ChapterPercentage
1- Electrostatics
  • Electric Charges and Fields
  • Electrostatic Potential and Capacitance
2-Current Electricity
  • Current Electricity
3-Magnetic Effect of Current & Magnetism
  • Magnetism and Matter
  • Moving Charges and Magnetism
4-Electromagnetic Induction & Alternating Current
  • Alternating Current
  • Electromagnetic Induction
5-Electromagnetic Waves
  • Electromagnetic Waves
  • Ray Optics and Optical Instruments
  • Wave Optics
7- Dual Nature of Matter and Radiation
  • Dual Nature of Matter and Radiation
8- Atoms & Nuclei
  • Atoms
  • Nuclei
9- Electronic Devices
  • Semiconductor Electronics

NEET 2021 Most Important Topics Chemistry

The Chemistry section in the NEET 2021 is the most scoring area as the questions are less tricky as compared to the other two sections. The Chemistry section in the NEET 2021 comprises of 45 questions. Check out the NEET 2021 most important topics for chemistry in detail below along with percentage:

NEET 2021 Class 11th Chemistry Chapters

UnitName of the ChapterPercentage
1Basic Concepts of Chemistry1%
2Structure of Atom2%
3Classification of Elements & Periodicity in Properties2%
4Chemical Bonding and Molecular Structure5%
5States of Matter: Gases and Liquids2%
8Redox Reactions3%
10s-Block Elements2%
11Some p-Block Elements2%
12Organic Chemistry4%

NEET 2021 Class 12th Chemistry Chapters

UnitName of the ChapterPercentage
1Solid State2%
4Chemical Kinetics3%
5Surface Chemistry2%
6Isolation of Elements2%
7p-block elements5%
8d- and f-Block Elements4%
9Coordination Compounds9%
10Haloalkanes and Haloarenes3%
11Alcohols, Phenols, and Ethers4%
12Aldehydes, Ketones and Carboxylic Acids4%

Also Read:All Information About NEET 2021 Tie- Breaker Policy


Question: Are NCERT books enough for NEET 2021 preparation?

Answer: If you know NCERT books well and are well and have revised them thoroughly then there is no second thought regarding the NEET 2021 preparation. However, to test your knowledge, it is advised to take practice papers or previous year question papers. You can also refer to some of the best books for NEET to enhance your knowledge.

Question: What are the most important topics from the Physics section in the NEET exam?

Answer: The most important topics from the PHysics section in the NEET exam are:Heat and thermodynamics, optics, and modern physics.

Question: What are the most important topics from the Biology section in the NEET exam?

Answer: Important topics for the Biology section in NEET 2021 exam are Reproduction, Human Physiology, Diversity in Living Organisms, Genetics, and Evolution.

Question: What are the most important topics from the Chemistry section in the NEET exam?

Answer: Some of the important topics for the Chemistry section are Current Electricity, Law of Motion, and Kinematics.

Also Read: All About NEET UG 2021 Reservation Policy

NEET 2021 Subject Wise Preparation Related Topics

NEET Study Plan & Preparation Strategy 2021
How to Prepare Chemistry for NEET 2021
How to Prepare Biology for NEET 2021: Tips to Score Maximum Marks

Get Help From Our Expert Counsellors

NEET UG Previous Year Question Paper

NEET 2016 Question paper


Be the First to Know

Get Access to Latest Updates

View All Questions

Related Questions

Sir/mam i am confused! Is there any scope for b. Sc forensic ? And from where I can do B. Sc forensic? Is shimla university is good for B. Sc forensic? Pls suggest me the right path..

-Sakshi MishraUpdated on June 05, 2021 10:01 AM
  • 2 Answers
Diksha Nautiyal, Student / Alumni

Dear student, 

Yes, B.Sc Forensic Science is a three-years long undergraduate programme that has ample career opportunities. After completing your Bachelor's in Forensic Science, you can work at CBI - Central Bureau of Investigation, IB - Intelligence Bureau, FSL - Forensic Science Laboratories, clinical research, civil services, police departments, and others. Some of the job profiles that you will be eligible for after completing the course include Forensic Scientist, Private Investigator, Drug Analyst, Crime Laboratory Analyst, Forensic Serologist, Forensic Architect, Forensic Engineer, Forensic Toxicologist, Police Officer, Forensic Consultant, etc. Depending upon your experience, skills and the organisation you are working with ...


I'm a class 12 student of batch 2020-2021. Can i attend the NEET UG entrance exam before the scheduled date because both the entrance exam and board exam are likely to occur on may

-Miding borangUpdated on April 05, 2021 02:46 PM
  • 4 Answers
Rahul Raj, Student / Alumni

Dear Student,

No, You cannot take NEET UG entrance exam before the scheduled date. For better assistance, please fill our Common Application Form and avail our expert assistance.

Given below are certain other links that might help you with NEET UG 2021 Entrance Exam:-

For better assistance, please call our toll-free number 1800-572-9877. Our admission experts would guide you all the details of NEET UG Entrance Exam

Thank you


Can I learn it without science????

-Somnath SenUpdated on April 03, 2021 12:30 PM
  • 2 Answers
Diksha Nautiyal, Student / Alumni

Dear student, 

To pursue the BVSc course in India, you must have studied Science subjects (Physics, Chemistry and Biology) in Class 12. If not, you will not be considered eligible for the course. To know the eligibility criteria and exceptions for BVSc., Click here.

For admission-related information and assistance, please fill our Common Application Form and avail expert assistance throughout the admission process. You can also try our toll-free student helpline number - 1800-572-9877 to get instant assistance.

Good Luck!


Do you have a question? Ask us.

  • Typical response between 24-48 hours

  • Get personalized response

  • Free of Cost

  • Access to community

Subscribe to CollegeDekho News

By proceeding ahead you expressly agree to the CollegeDekho terms of use and privacy policy
Apply Now

Top 10 Medical Colleges in India

View All

Know best colleges you can get with your NEET UG score