What is the syllabus of neet 2021 according to weightage

Hello Shubham,
Hope you are doing well.
NEET Important Chapter in Physics:

The most important topic for NEET from class 11th syllabus in Physics is Mechanics. On an average 11-12 questions are asked from this topic every year in the NEET exam.

Topics such as Semi-conductors, Heat and Thermodynamics, Laws of Motion, Kinematics, Work Energy & Power and Rotational Motion are also important and you need to practice thoroughly these topics to score well in Physics in your NEET exam.

Modern Physics, from class 12th syllabus, is the most important topic for NEET.

Current Electricity & Magnetism, Electrostatics and Optics are also very important chapters for NEET 2020 and you should thoroughly practise these topics.
NEET Important Chapters In Chemistry:

Organic Chemistry section carries more weightage in NEET exam. So, your conceptual understanding in Organic Chemistry should be absolutely clear and strong. You should also practice the following important topics thoroughly to develop your application skills and test taking abilities for scoring well in the NEET exam:

Equilibrium

Chemical Bonding and Molecular structure

Electrochemistry

Chemical Kinetics

Coordination Compounds

Aldehydes, Ketones and Carboxylic Acids

S, P, D and F Block Elements

Hydrocarbons

Atomic structure

NEET Important Chapters in Biology:

Ecology is the most important topic for NEET in Biology. On an average, 12-15 questions are asked in the NEET exam from this topic every year. This is an easy and the most scoring topic in biology.

Human Physiology and Plant physiology are equally important for NEET 2020. Together around 20-25 questions are asked from these two units in the NEET exam. These important chapters demand clarity of concept as more application-based questions are asked in the exam. You should practice these topics thoroughly.

Genetics & Evolution is another very important chapter for NEET. Evolution is very easy but you need to understand and practice the concepts in Genetics as much as possible.

Cell structure & Function also carries a good weightage in the NEET exam.

Another very important chapter in NEET is Biotechnology. This is a small topic, easy to understand but scoring.

Good luck