Chapters covered in Balbharati Solutions for Science and Technology 9th Standard Maharashtra State Board
Balbharati 9th Standard Science and Technology Chapter 1: Laws of Motion solutions
Concepts covered in Laws of Motion are Acceleration and Retardation, Balanced and Unbalanced Forces, Conservation of Linear Momentum and Its Principle, Derivation of Displacement - Time Relation by Graphical Method, Derivation of Displacement - Velocity Relation by Graphical Method, Derivation of Velocity - Time Relation by Graphical Method, Distance and Displacement, Distance - Time Graphs, Equations of Motion by Graphical Method, Graphical Representation of Linear Motion, Motion and Rest, Newton's First Law of Motion, Newton's Second Law of Motion, Newton’s Second Law of Motion in Terms of Rate of Change of Momentum, Newton's Third Law of Motion, Speed, Uniform and Non-uniform Linear Motion, Uniform Circular Motion, Velocity, Velocity - Time Graphs
Balbharati 9th Standard Science and Technology Chapter 1: Laws of Motion exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 18 | 16 to 17 |
Balbharati 9th Standard Science and Technology Chapter 2: Work and Energy solutions
Concepts covered in Work and Energy are Concept of Energy, Concept of Power, Definition of Work, Free Fall, Introduction of Work, Law of Conservation of Energy, Measurement of Work, Mechanical Energy and Its Different Forms, Transformation of Energy, Types of Mechanical Energy: Kinetic Energy, Types of Mechanical Energy: Potential Energy
Balbharati 9th Standard Science and Technology Chapter 2: Work and Energy exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 21 | 28 to 29 |
Balbharati 9th Standard Science and Technology Chapter 3: Current Electricity solutions
Concepts covered in Current Electricity are Conductors and Insulators, Direction of the Electric Current - Conventional and Electronic Flow, Earthing (Grounding), Electrical Resistivity and Electrical Conductivity, Electric Circuit, Electric Current, Electric Fuse, Electricity, Electric Potential (Electrostatic Potential) and Potential Difference, Experimental Proof of Ohm'S Law, Flow of Charges (Electrons) Between Conductor, Ohm's Law, Precautions to Be Taken While Using Electricity, Resistance (R), Resistances in Parallel, Resistors in Series, Symbols and Functions of Various Components of an Electric Circuits, System of Resistors
Balbharati 9th Standard Science and Technology Chapter 3: Current Electricity exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 13 | 44 to 45 |
Balbharati 9th Standard Science and Technology Chapter 4: Measurement of Matter solutions
Concepts covered in Measurement of Matter are Atomic Size, Atoms: Building Blocks of Matter, Electrovalent (Or Ionic) Bond, Ions and It’s Types, Law of Conservation of Matter, Law of Constant Proportions, Laws of Chemical Combination, Mass Number (A) or Atomic Mass, Mole Concept, Molecular Formula of an Compounds, Molecular Mass, Molecules of Compounds, Molecules of Elements, Radicals and Its Types, Symbol of Elements, Valency and Its Types, Variable Valency
Balbharati 9th Standard Science and Technology Chapter 4: Measurement of Matter exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 17 | 57 |
Balbharati 9th Standard Science and Technology Chapter 5: Acids, Bases and Salts solutions
Concepts covered in Acids, Bases and Salts are Acids, Arrhenius Theory of Acids and Bases, Bases (Alkalis), Classification of Acids, Classification of Bases (Alkalis), Classification of Salts, Dissociation of Ionic Compounds, Dissociation of Ions and Electrical Conductivity, Electrolysis, Electrolysis of Water, Electrovalent (Or Ionic) Bond, Formation of an Electrovalent (or Ionic) Bond, Indicators, Ionic Compounds and Electrical Conductivity, Properties of Acids, Properties of Bases (Alkalis), Salts, Strength of Acidic Or Basic Solutions, Types of Double Displacement: Neutralization Reaction, Water of Crystallization
Balbharati 9th Standard Science and Technology Chapter 5: Acids, Bases and Salts exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 46 | 73 to 74 |
Balbharati 9th Standard Science and Technology Chapter 6: Classification of Plants solutions
Concepts covered in Classification of Plants are Basis of Classification, Biodiversity, Biological Classification, Classification and Evolution, Flowering Plants (Phanerogams), Kingdom Plantae, Kingdom Plantae: Angiosperms, Kingdom Plantae: Bryophytes, Kingdom Plantae: Gymnosperms, Kingdom Plantae: Pteridophytes, Kingdom Plantae: Thallophyta (Algae), Kingdom Plantae: Thallophyta (Fungi), The Hierarchy of Classification
Balbharati 9th Standard Science and Technology Chapter 6: Classification of Plants exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 16 | 80 |
Balbharati 9th Standard Science and Technology Chapter 7: Energy Flow in an Ecosystem solutions
Concepts covered in Energy Flow in an Ecosystem are Biogeochemical Cycle, Classification of Animal, Ecosystem, Energy Flow in an Ecosystem, Energy Pyramid, Food Chain, Food Web, Nitrogen Cycle, Structure of an Ecosystem, The Carbon Cycle, The Oxygen Cycle, Tropic Level
Balbharati 9th Standard Science and Technology Chapter 7: Energy Flow in an Ecosystem exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 15 | 87 |
Balbharati 9th Standard Science and Technology Chapter 8: Useful and Harmful Microbes solutions
Concepts covered in Useful and Harmful Microbes are Bacteria, Diseases Caused by Bacteria, Diseases Caused by Protozoa, Diseases Caused by Virus, Diseases Transmitted by Animals, Fungi, Harmful Effects of Microorganisms (Microbes), Microorganisms (Microbes) and Microbiology, Sexually Transmitted Diseases (STD), Useful and Harmful Role of Fungi, Useful Role of Bacteria in Agriculture, Useful Role of Bacteria in Industry, Useful Role of Bacteria in Medicine, Uses of Microorganisms (Microbes)
Balbharati 9th Standard Science and Technology Chapter 8: Useful and Harmful Microbes exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 19 | 95 |
Balbharati 9th Standard Science and Technology Chapter 9: Environmental Management solutions
Concepts covered in Environmental Management are Changes in Weather, Disaster Management, First Aid and Emergency Action, Five R’s of Waste Management, Harmful effects of solid waste, Meteorology, Monsoon Model and Climate Prediction, Solid Waste Management, Waste (Garbage) and Its Types, Waste Separation Exercise, Weather and Climate
Balbharati 9th Standard Science and Technology Chapter 9: Environmental Management exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 20 | 107 |
Balbharati 9th Standard Science and Technology Chapter 10: Information Communication Technology (ICT) solutions
Concepts covered in Information Communication Technology (ICT) are Computer, Hardware, Importance of information communication in science and technology, Important Components of a Computer, Information Communication Technology, Microsoft Excel, Microsoft Powerpoint, Microsoft Word, Opportunities in the field of computers, Parts of a Computer, Software, Types of Software
Balbharati 9th Standard Science and Technology Chapter 10: Information Communication Technology (ICT) exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 15 | 114 |
Balbharati 9th Standard Science and Technology Chapter 11: Reflection of Light solutions
Concepts covered in Reflection of Light are Concave Mirror, Convex Mirror, Divergence and Convergence of Light, Image Formation by Concave Mirror, Image Formation by Convex Mirror, Lateral Inversion, Light, Linear Magnification (M) Due to Spherical Mirrors, Mirror equation/Formula, Mirrors and Its Types, Plane Mirror and Reflection, Reflection of Light, Rules for the Construction of Image Formed by a Spherical Mirror, Sign Convention for Reflection by Spherical Mirrors, Spherical Mirrors, Types of Reflection
Balbharati 9th Standard Science and Technology Chapter 11: Reflection of Light exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 13 | 127 |
Balbharati 9th Standard Science and Technology Chapter 12: Study of Sound solutions
Concepts covered in Study of Sound are Audibility and Range, Characteristics of a Sound Wave, Echoes, Human Ear, Propagation of Sound, Properties of Sounds, Reflection of Sound, Reverberation, SONAR, Sonography, Sound, Sound Waves and Its Types, Speed of Sound in Different Media, Speed of Sound (Velocity of Sound), Ultrasonic Sound Or Ultrasound
Balbharati 9th Standard Science and Technology Chapter 12: Study of Sound exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 16 | 137 |
Balbharati 9th Standard Science and Technology Chapter 13: Carbon : An important element solutions
Concepts covered in Carbon : An important element are Allotropy and Allotropes of Carbon, Biogas Plant, Carbon: a Versatile Element, Carbon Dioxide, Chemical Properties of Carbon Compound, Classification of Compounds of Carbon, Crystalline Allotropes of Carbon: Diamond, Crystalline Allotropes of Carbon: Fullerene, Crystalline Allotropes of Carbon: Graphite, Fire Extinguisher, Hydrocarbons, Importance of Carbon Dioxide, Laboratory Preparation of Carbon Dioxide, Methane, Non-crystalline/Amorphous Forms: Charcoal, Non-crystalline/Amorphous Forms: Coal, Non-crystalline/Amorphous Forms: Cock, Physical Properties of Carbon Compound, Preparation of Carbon Dioxide, Properties of Carbon Dioxide, Saturated and Unsaturated Carbon Compounds, Solubility of Carbon, Special Features of Carbon
Balbharati 9th Standard Science and Technology Chapter 13: Carbon : An important element exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 31 | 149 |
Balbharati 9th Standard Science and Technology Chapter 14: Substances in Common Use solutions
Concepts covered in Substances in Common Use are Alpha Decay (Alpha Emission), Beta Decay (Beta Emission), Changes Within the Nucleus in Alpha, Beta and Gamma Emission, Cleansing Action of Soap, Detergents, Gamma Decay (Gamma Emission), Preparation and Uses of Baking Soda, Preparation and Uses of Bleaching Powder, Preparation and Uses of Washing Soda, Properties of Alpha Particles, Properties of Beta Particles, Properties of Gamma Radiations, Radioactivity, Radioactivity as Emission of Alpha, Beta, and Gamma Radiations, Salts, Soap, Sodium Chloride (Table Salt - NaCl), Some Chemical Substances in Day to Day Life, Types of Radioactivity: Natural and Artificial (or) Induced Radioactivity, Uses of Radioactivity, Water of Crystallization
Balbharati 9th Standard Science and Technology Chapter 14: Substances in Common Use exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 35 | 162 |
Balbharati 9th Standard Science and Technology Chapter 15: Life Processes in Living Organisms solutions
Concepts covered in Life Processes in Living Organisms are Central Nervous System (CNS), Central Nervous System (CNS): Structure of Human Brain, Control and Co-ordination, Control and Co-ordination in Animals, Control and Co-ordination in Plants, Dialysis Or Artificial Kidney, Excretion in Plants, Excretion: Substances to Be Eliminated, Function of the Kidney - “Production of Urine”, Human Endocrine System, Human Excretory System, Human Nervous System, Kidney and Its Internal Structure, Kidney Tubule (Nephrons), Major Division of the Nervous System, Neuron (Or Nerve Cell) and Its Types, Peripheral Nervous System (PNS), Reflex and Reflex Action, Root Pressure, The Human Brain, The Spinal Cord, Transpiration, Transportation of Water and Food in Plants, Water and Mineral Absorption by Root
Balbharati 9th Standard Science and Technology Chapter 15: Life Processes in Living Organisms exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 25 | 178 |
Balbharati 9th Standard Science and Technology Chapter 16: Heredity and Variation solutions
Concepts covered in Heredity and Variation are Chromosomes - The Carriers of Heredity, Deoxyribonucleic Acid (DNA) and Its Structure, Dihybrid Cross - Inheritance Two Genes and Law of Independent Assortment, Genes and Genetic, Genetic Disorder, Gregor Johann Mendel – Father of Genetics, Heredity, Inheritance, Mendel’s Laws of Inheritance, Monohybrid Cross - Inheritance of One Gene, Ribonucleic acid (RNA), Types of Chromosomes
Balbharati 9th Standard Science and Technology Chapter 16: Heredity and Variation exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 22 | 193 |
Balbharati 9th Standard Science and Technology Chapter 17: Introduction to Biotechnology solutions
Concepts covered in Introduction to Biotechnology are Agritourism, Animal Husbandry (Livestock), Animal Tissues, Biotechnology and Its Phases, Complex Permanent Tissue: Phloem Structure and Function (Conducting Tissue), Complex Permanent Tissues, Complex Permanent Tissue: Xylem Structure and Function (Conducting Tissue), Connective Tissue, Dairy Farming (Cattle Farming), Difference Between Plant and Animals Tissue, Epithelial Tissue, Horticulture, Meristems Or Meristematic Tissues, Muscular Tissue, Nervous Tissue, Permanent Tissue, Plant Tissues, Poultry Farming, Sericulture, Simple Permanent Tissues (Supporting Tissue), Tissue Culture, Tissues – “The Teams of Workers”
Balbharati 9th Standard Science and Technology Chapter 17: Introduction to Biotechnology exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 25 | 208 |
Balbharati 9th Standard Science and Technology Chapter 18: Observing Space : Telescopes solutions
Concepts covered in Observing Space : Telescopes are Astrosat, Different Forms of Light, Indian Space Research Organization (ISRO), Telescope, Types of Telescope: Optical Telescope, Types of Telescope: Radio Telescope, Types of Telescope: Telescopes Used in Space
Balbharati 9th Standard Science and Technology Chapter 18: Observing Space : Telescopes exercises
| Exercise | No. of questions | Pages |
|---|
| Exercise | 13 | 214 |
Balbharati Solutions for Science and Technology 9th Standard Maharashtra State Board
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