Hi aspirant,

Following below is the list of important chapters from each of the subject that are necessary for class 11th Neet aspirant.

Physics

• Newton's laws of motion
• Friction
• Work Power and energy
• Rotational mechanics
• Fluid dynamics
• Thermodynamics

Chemistry

• General organic chemistry
• Hydrocarbons
• Chemical bonding
• Atomic structure
• Thermodynamics

Biology

• Biological Classification
• Plant Kingdom
• Animal Kingdom
• Cell
• Complete human physiology

See in Biology you would have to study almost all the topics equally well because the number of questions asked in the examination is is equally divided from the various topics.

Hope it helps!