BodhiScoreRajasthan Board Class 10 Science Syllabus 2026-27
Exam scheme
Theory paper 3 hours 15 minutes. Theory 80 marks + sessional 20 marks = 100.
| Chapter | Topic | Marks |
|---|---|---|
| 1 | Chemical Reactions and Equations | 6 |
| 2 | Acids, Bases and Salts | 7 |
| 3 | Metals and Non-metals | 5 |
| 4 | Carbon and its Compounds | 7 |
| 5 | Life Processes | 8 |
| 6 | Control and Coordination | 6 |
| 7 | How Organisms Reproduce | 7 |
| 8 | Heredity | 4 |
| 9 | Light — Reflection and Refraction | 8 |
| 10 | The Human Eye and the Colourful World | 4 |
| 11 | Electricity | 7 |
| 12 | Magnetic Effects of Electric Current | 6 |
| 13 | Our Environment | 5 |
Topics covered
Chapter 1 — Chemical Reactions and Equations (6 marks): writing and balancing chemical equations; combination, decomposition, exothermic, endothermic, displacement, double displacement, oxidation and reduction; corrosion and rancidity.
Chapter 2 — Acids, Bases and Salts (7 marks): chemical properties of acids and bases; acids and bases in water; strength and pH in everyday life; families of salts, pH of salts, chemicals from common salt, water of crystallisation.
Chapter 3 — Metals and Non-metals (5 marks): physical and chemical properties; reactivity series; ionic compounds; extraction and refining of metals; corrosion and its prevention.
Chapter 4 — Carbon and its Compounds (7 marks): covalent bonding; saturated and unsaturated compounds; chains, branches and rings; homologous series; nomenclature; combustion, oxidation, addition and substitution; ethanol, ethanoic acid, soaps and detergents.
Chapter 5 — Life Processes (8 marks): nutrition (autotrophic and heterotrophic, including humans); respiration; transportation and excretion in humans and plants.
Chapter 6 — Control and Coordination (6 marks): nervous system, reflex action, human brain; coordination in plants; hormones in animals.
Chapter 7 — How Organisms Reproduce (7 marks): variation; asexual modes (fission, fragmentation, regeneration, budding, vegetative propagation, spore formation); sexual reproduction in flowering plants and humans; reproductive health.
Chapter 8 — Heredity (4 marks): accumulation of variation; inherited traits; Mendel’s contribution; expression of traits; sex determination.
Chapter 9 — Light — Reflection and Refraction (8 marks): spherical mirrors and ray diagrams; mirror formula and magnification; refraction through a glass slab; refractive index; lenses, lens formula, magnification, power of a lens.
Chapter 10 — The Human Eye and the Colourful World (4 marks): accommodation; defects of vision; prism, dispersion, atmospheric refraction, scattering of light, Tyndall effect.
Chapter 11 — Electricity (7 marks): current, potential difference, Ohm’s law, factors affecting resistance, series and parallel combinations, heating effect, electric power.
Chapter 12 — Magnetic Effects of Electric Current (6 marks): magnetic field lines; field due to a straight conductor, circular loop, and solenoid; right-hand thumb rule; force on a current-carrying conductor; Fleming’s left-hand rule; domestic electric circuits.
Chapter 13 — Our Environment (5 marks): ecosystem components, food chains and webs; ozone layer depletion; garbage management.
Prescribed book
Science — NCERT textbook published under copyright.
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