Hello Aspirant,

For NEET UG, complete chapter wise weightage for each subject is described below :-

@Physics

• Physical-world and measurement-2%
• Kinematics-3%
• Laws of Motion-3%
• Work, Energy and Power-4%
• Motion of System of Particles and Rigid Body-5%
• Gravitation-2%
• Properties of Bulk Matter-3%
• Thermodynamics-9%
• Behaviour of Perfect Gas and Kinetic Theory-3%
• Oscillation & Waves-3%
• Electrostatics-9%
• Current Electricity-8%
• Magnetic Effect of Current & Magnetism-5%
• Electromagnetic Induction & Alternating Current-8%
• Electromagnetic Waves-5%
• Optics-10%
• Dual Nature of Matter and Radiation-6%
• Atoms & Nuclei-3%
• Electronic Devices-9%

@Chemistry

• Basic Concepts of Chemistry-1%
• Structure of Atom-2%
• Classification of Elements & Periodicity in Properties-2%
• Chemical Bonding and Molecular Structure-5%
• States of Matter: Gases and Liquids-2%
• Thermodynamics-8%
• Equilibrium-6%
• Redox Reactions-3%
• s-Block Elements-2%
• Some p-Block Elements-2%
• Organic Chemistry: Basic Principles & Techniques-4%
• Hydrocarbons-3%
• Environmental Chemistry-2%
• Solid State-2%
• Solutions-5%
• Electrochemistry-2%
• Chemical Kinetics-3%
• Surface Chemistry-2%
• Isolation of Elements-2%
• p-Block Elements-5%
• d- and f-Block Elements-4%
• Coordination Compounds-9%
• Haloalkanes and Haloarenes-3%
• Alcohols, Phenols and Ethers-4%
• Aldehydes, Ketones and Carboxylic Acids-4%
• Organic Compounds containing Nitrogen-2%
• Biomolecules-3%
• Polymers-3%
• Chemistry in Everyday Life-2%

@Biology

• Diversity of Living Organisms-14%
• Structural Organisation in Plants & Animals-5%
• Cell: Structure and Function-9%
• Plant Physiology-6%
• Human Physiology-20%
• Reproduction-9%
• Genetics and Evolution-18%
• Biology and Human Welfare-9%
• Biotechnology and its Applications-4%
• Ecology and Environment-6%

For complete details about important chapters and other weightage related information kindly check out the links given below :-

https://medicine.careers360.com/articles/neet-chapter-wise-weightage-and-important-topics

You can also check out NEET Knockout package for your preparation :-

https://learn.careers360.com/knockout-neet-may/

I hope this information helps you.

Good Luck!!