hello aspirant,

if you are from cbse board, you need to refer and prepare these topics very carefully-

class 11th

Physics

• Physical World and Measurement
• Kinematics
• Laws of Motion
• Work, Energy and Power
• Motion of System of Particles and Rigid Body
• Gravitation
• Properties of Bulk Matter
• Thermodynamics
• Behaviour of Perfect Gases and Kinetic Theory of Gases
• Oscillations and Waves

Chemistry

• Some Basic Concepts of Chemistry
• Structure of Atom
• Classification of Elements and Periodicity in Properties
• Chemical Bonding and Molecular Structure
• States of Matter: Gases and Liquids
• Chemical Thermodynamics
• Equilibrium
• Redox Reactions
• Hydrogen
• s -Block Elements
• Some p -Block Elements
• Organic Chemistry: Some basic Principles and Techniques
• Hydrocarbons
• Environmental Chemistry

Biology

• Diversity in Living World
• Structural Organisation in Animals and Plants
• Cell Structure and Function
• Plant Physiology
• Human physiology

CBSE Class 12 Syllabus

Physics

• Electrostatics
• Current Electricity
• Magnetic Effects of Current and Magnetism
• Electromagnetic Induction and Alternating Currents
• Electromagnetic Waves
• Optics
• Dual Nature of Radiation and Matter
• Atoms and Nuclei
• Electronic Devices
• Communication Systems

Chemistry

• Solid State
• Solutions
• Electrochemistry
• Chemical Kinetics
• Surface Chemistry
• General Principles and Processes of Isolation of Elements
• p -Block Elements
• d -and f -Block Elements
• Coordination Compounds
• Haloalkanes and Haloarenes
• Alcohols, Phenols and Ethers
• Aldehydes, Ketones and Carboxylic Acids
• Organic Compounds containing Nitrogen
• Biomolecules
• Polymers
• Chemistry in Everyday Life

Biology

• Reproduction
• Genetics and Evolution
• Biology and Human Welfare
• Biotechnology and Its Applications
• Ecology and environment

hope that helps

all the best