Science

JKBOSE NCERT SCIENCE BOOK – DOWNLOAD

Physics

Unit 1: Light – Reflection and Refraction [Marks: 08]

• Reflection of light
• Spherical mirrors; image formation
• Use of spherical mirrors
• Sign conventions for spherical mirrors
• Relation between focal length and radius of curvature
• Mirror formula (only relation) (Numerical Problems)
• Magnification
• Refraction of light
• Refraction through a glass slab
• Refractive index
• Conditions for no refraction
• Spherical lenses
• Image formation
• Sign conventions
• Lens formula (only relation) (Numerical Problems)
• Magnification (Numerical Problems)
• Power of a lens (Numerical Problems)
• Quiz 100+ MCQs of this Chapter
• Assertion And Reasons

Unit 2: The Human Eye and the Colorful World [Marks: 05]

• Human eye
• Power of accommodation
• Defects of vision and their correction
• Glass prism (refraction and dispersion)
• Atmospheric refraction – twinkling of stars and color of sun at sunrise and sunset
• Assertion And Reason

Unit 3: Electricity [Marks: 06]

• Concept of electric charge
• Electric current
• Electric potential and potential difference
• Ohm’s law and experimental verification
• Resistance and its dependence
• Combination of resistances (series and parallel) (Numerical Problems)
• Heating effect of current
• Electric power and energy (Numerical Problems)
• Question And Answer of Electricity

Unit 4: Magnetic Effects of Current [Marks: 07]

• Oersted’s Experiment
• Magnetic field and field lines
• Magnetic field due to a current carrying conductor – Straight, coil (loop) and solenoid (qualitatively only)
• Force on a current carrying conductor in a magnetic field
• Domestic electric circuits

Chemistry

Unit 1: Chemical Reactions and Equations [Marks: 06]

• Chemical equation
• Writing of chemical equations
• Balancing chemical equations
• Types of chemical reactions
  • Combination reactions
  • Decomposition reactions
  • Displacement reactions
  • Double displacement reactions
  • Oxidation and reduction
• Effects of oxidation and reduction reactions in everyday life
  • Corrosion
  • Rancidity

Unit 2: Carbon and its Compounds [Marks: 08]

• Bonding in Carbon
• Covalent bond
• Allotropes of carbon
• Versatile nature of carbon
• Saturated and unsaturated hydrocarbons
• Chains
• Branches and rings
• Homologous series and its characteristics
• Nomenclature of Carbon compounds
• Chemical properties of carbon compounds
  • Combustion
  • Oxidation
  • Addition and substitution reactions
• Important Carbon compounds
  • Ethanol and Ethanoic acid
  • Properties of Ethanol and Ethanoic acid
• Soaps and Detergents

Unit 3: Metals and Non-metals [Marks: 07]

• Physical properties of metals and non-metals
• Chemical properties of metals
  • Action of water
  • Action of air
  • Action of acids
  • Action of salts
  • Reactivity series of metals
• Cause of reactivity of metals and non-metals
• Properties of Ionic compounds
• Occurrence of metals
  • Extraction
  • Enrichment of ores
  • Extraction of metals in accordance with activity series
  • Refining of metals
• Corrosion of metals and its prevention

Unit 5: Acids, Bases, and Salts [Marks: 05]

• Idea about acids and bases
• Chemical properties of acids and bases
  • Action of metals
  • Action of metal carbonates
  • Action of metal hydrogen carbonates (only in case of acids)
  • Action of metallic acids
  • Action of non-metallic acids and bases
• Similarities in acids and bases
• Reaction of acids and bases with water
• Strength of acid and base solutions
• pH and its importance

Biology

Unit 1: Life Processes [Marks: 08]

• What are life Processes?
• Nutrition
  • Autotrophic Nutrition
  • Heterotrophic Nutrition
  • How do animals obtain their nutrition?
  • Nutrition in Human beings
• Respiration
• Transportation
  • Transportation in Plants
• Excretion
  • Excretion in Human beings
  • Excretion in Plants

Unit 2: Control and Coordination [Marks: 06]

• Animals – Nervous System
• What happens in Reflex Action?
• Human Brain
• How are these tissues protected?
• How does Nervous tissue cause action?
• Coordination in Plants
  • Immediate response to stimulus
  • Movements due to growth
• Hormones in Animals

Unit 3: How do Organisms Reproduce [Marks: 06]

• Do organisms create exact copies of themselves? The importance of variation
• Modes of reproduction used by unicellular organisms
  • Fission
  • Fragmentation
  • Regeneration
  • Vegetative Propagation
  • Budding
  • Spore Formation
• Sexual Reproduction
  • Why the sexual mode of reproduction?
  • Sexual reproduction in flowering plants
  • Reproduction in human Beings
    • Male Reproductive System
    • Female Reproductive System
  • What happens when the egg is not fertilized?
  • Reproductive Health

Unit 4: Heredity [Marks: 03]

• Accumulation of variation during reproduction
• Heredity
  • Inherited traits
  • Rules for the inheritance of traits
  • Mendel’s contribution
  • How do these traits get expressed?
  • Sex determination

Unit 5: Our Environment [Marks: 05]

Our Environment Full Chapter Solution

• What happens when we add our waste to the Environment?
• Ecosystem
  • What are its components?
  • Food chains and Webs
• How do our activities affect the environment?
  • Ozone layer and how it is getting depleted
  • Managing the garbage we produce

This detailed index provides links for each sub-topic, allowing for in-depth knowledge and easy navigation.