RBSE Class 10th Science Syllabus 2026-27 PDF: Chapter-wise Topics & Marks Distribution

The RBSE Class 10 Science Syllabus 2026-27 provides the complete list of chapters and topics prescribed by the Rajasthan Board of Secondary Education (RBSE) for the Class 10 board examination. The syllabus is based on the NCERT Science textbook and covers important concepts from Chemistry, Biology, Physics, and Environmental Science.

Reviewing the latest syllabus before beginning your preparation helps you understand the chapter-wise weightage, plan your study schedule effectively, and ensure that no important topic is left out during revision.

RBSE Class 10th Science Syllabus 2026-27 Overview

The RBSE Class 10 Science syllabus for the 2026-27 academic session outlines the essential details related to the subject. Students can review these details before starting their preparation for the board examination.

RBSE Class 10th Science Chapter-wise Marks Distribution 2026-27

The following table shows the chapters and marks mentioned in the syllabus.

RBSE Class 10th Science Syllabus 2026-27: Chemistry Chapters

The Chemistry section introduces important concepts related to chemical reactions, acids and bases, metals, and carbon compounds. These chapters help students understand the fundamental principles of chemistry and their practical applications. 

Chapter 1: Chemical Reactions and Equations

This chapter includes the following topics:

• Chemical equations

• Writing a chemical equation

• Balanced chemical equation

• Combination reaction

• Decomposition reaction

• Exothermic and endothermic reactions

• Displacement reaction

• Double displacement reaction

• Oxidation and reduction

• Corrosion and rancidity

Chapter 2: Acids, Bases and Salts

• Chemical properties of acids and bases

• Acids and bases in water solution

• Strength of acid and base solutions

• Importance of pH in everyday life

• Family of salts

• pH of salts

• Chemicals from common salt

• Dryness of salt crystals

Chapter 3: Metals and Non-metals

• Physical properties of metals and non-metals

• Chemical properties of metals

• Reactivity series

• Reaction of metals and non-metals

• Properties of ionic compounds

• Extraction and refining of metals

• Corrosion and prevention of corrosion

Chapter 4: Carbon and Its Compounds

• Covalent bond

• Versatile nature of carbon

• Saturated and unsaturated compounds

• Chains, branches and rings

• Homologous series

• Nomenclature of carbon compounds

• Combustion and oxidation

• Addition and substitution reactions

• Ethanol and ethanoic acid

• Soaps and detergents

RBSE Class 10th Science Syllabus 2026-27: Biology Chapters

The Biology section focuses on life processes, reproduction, heredity, and control systems in living organisms. It also covers environmental concepts that help students understand the relationship between organisms and their surroundings. 

Chapter 5: Life Processes

• Nutrition

• Autotrophic nutrition

• Heterotrophic nutrition

• Nutrition in organisms and human beings

• Respiration

• Transportation in human beings and plants

• Excretion in human beings and plants

Chapter 6: Control and Coordination

• Reflex action

• Human brain

• Nervous tissue action

• Coordination in plants

• Response to stimulus

• Movement due to growth

• Hormones in animals

Chapter 7: Reproduce in Organisms

• Importance of variation

• Fission

• Fragmentation

• Regeneration

• Budding

• Vegetative propagation

• Spore formation

• Sexual reproduction

• Reproduction in flowering plants

• Human reproductive system

• Reproductive health

Chapter 8: Heredity

• Accumulation of variation during reproduction

• Inherited traits

• Rules for inheritance of traits

• Mendel's contribution

• Expression of inherited traits

• Sex determination

RBSE Class 10th Science Syllabus 2026-27: Physics Chapters

The Physics section covers important concepts related to light, electricity, magnetic effects of electric current, and the human eye. These chapters develop conceptual understanding along with practical applications. 

Chapter 9: Light — Reflection and Refraction

• Reflection of light

• Spherical mirrors

• Image formation

• Ray diagrams

• Sign convention

• Mirror formula and magnification

• Refraction through a rectangular glass slab

• Refractive index

• Spherical lenses

• Lens formula and magnification

• Power of lens

Chapter 10: The Human Eye and the Colourful World

• Power of accommodation

• Defects of vision and correction

• Refraction through a prism

• Dispersion of white light

• Atmospheric refraction

• Scattering of light

• Tyndall effect

• Blue colour of the sky

Chapter 11: Electricity

• Electric current and circuit

• Electric potential and potential difference

• Circuit diagram

• Ohm's law

• Resistance of a conductor

• Series and parallel combination of resistors

• Heating effect of electric current

• Electric power

Chapter 12: Magnetic Effects of Electric Current

• Magnetic field and field lines

• Magnetic field due to a current-carrying conductor

• Right-hand thumb rule

• Magnetic field due to a circular loop

• Magnetic field due to a solenoid

• Force on a current-carrying conductor

• Fleming's left-hand rule

• Domestic electric circuits

RBSE Class 10th Science Syllabus 2026-27: Environmental Science Chapter

This chapter explains ecosystems, food chains, environmental conservation, ozone layer depletion, and waste management. It helps students understand the importance of protecting the environment and maintaining ecological balance. 

Chapter 13: Our Environment

• Ecosystem and its components

• Food chains and food webs

• Ozone layer and depletion

• Garbage management

RBSE Class 10th Science Syllabus PDF Download

Students can download the RBSE Class 10th Science Syllabus 2026-27 PDF to access the complete chapter-wise syllabus prescribed by the Rajasthan Board of Secondary Education. The official PDF has been added below for easy reference. 

You can download the PDF from the link given below and check all the chapters, topics, and mark distribution for the 2026-27 academic session. Referring to the official syllabus PDF will help students prepare according to the latest RBSE guidelines and ensure that no prescribed topic is missed during preparation.

The RBSE Class 10th Science Syllabus 2026-27 includes 13 chapters covering Chemistry, Biology, Physics, and Environmental Science. Following the latest RBSE Class 10 Science syllabus throughout the academic session helps students complete every prescribed topic, revise systematically, and prepare confidently for the board examination.