Hello Aspirant,

For NEET 2021, complete chapter wise weightage for Biology as well as for Physics and Chemistry is described below :-

@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%

@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%

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/

Or

If you are going to appear in NEET UG 2022 then you can also solve the Test series for NEET UG 2022 for better finishing of your preparation, you can get the Test series from the link given below :-

https://learn.careers360.com/test-series-neet-may/

I hope this information helps you.

Good Luck!!