Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th

# Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th SSLC Science Answers Guide

## Science Class 10th SSLC Tamil Nadu State Board

Author: Samacheer Kalvi
Publisher: Tamil Nadu Textbook and Educational Services Corporation
Language: English

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## Tamil Nadu Board Samacheer Kalvi Class 10th solutions for other subjects

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## Chapters covered in Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th SSLC Science Answers Guide

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 1: Laws of Motion

Concepts covered in Laws of Motion are Acceleration Due to Gravity (Earth’s Gravitational Acceleration), Apparent Weight, Conservation of Linear Momentum and Its Principle, Couple, Force, Impulse, Inertia and Mass, Linear Momentum, Mass and Weight of an Object, Moment of Force Or Torque, Motion and Rest, Newton's First Law of Motion, Newton's Second Law of Motion, Newton's Third Law of Motion, Newton’s Universal Law of Gravitation, Principle of Moments, Rocket Propulsion, Translational and Rotational Motions, Turning Effect of a Force, Types of Inertia

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 1: Laws of Motion exercises

ExerciseNo. of questionsPages
Evaluation4713 to 15

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 2: Optics

Concepts covered in Optics are Concave Lens, Concept of Prism, Convex Lens, Dispersion of Light and Its Causes, Dispersion of Light Through Prism and Formation of Spectrum, Eye Defect and Its Correction: Astigmatism, Eye Defect and its correction: Hypermetropia or far-sightedness, Eye Defect and Its Correction: Myopia Or Near-sightedness, Eye Defect and Its Correction: Presbyopia, Guideline for Image Formation Due to Refraction Through a Convex and Concave Lens, Human Eye: Structure of the Eye, Images Formed by Spherical Mirrors, Images Formed Due to Refraction Through a Concave Lens, Images Formed Due to Refraction Through a Convex Lens, Law of Reflection of Light, Lens, Lens Formula, Lens Maker's Formula, Light, Magnification Due to Spherical Lenses, Microscope and it’s types, Power of a Lens, Refraction of Light, Scattering of Light and Its Types, Sign Convention for Spherical Lenses, Spherical Lens, Telescope, Types of Telescope: Optical Telescope, Types of Telescope: Radio Telescope, Types of Telescope: Telescopes Used in Space, Working of the Human Eye

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 2: Optics exercises

ExerciseNo. of questionsPages
Evaluation4029 to 30

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 3: Thermal Physics

Concepts covered in Thermal Physics are Avogadro’s Law, Classification of Gases: Real Gases and Ideal Gases, Effect of Heat Energy, Expansion of Gases, Expansion of Liquids, Expansion of Solids, Expansion of Substances (Thermal Expansion), Flow of Heat, Fundamental Laws of Gases, Gas Equation, Gases and Its Characteristics, Heat and Its Unit, Heat Energy (Thermal Energy), Pressure and Volume Relationship or Bolye's Law, Scales of Thermometers, Temperatures, Temperature - Volume Relationship or Charles's Law, Transfer of Heat

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 3: Thermal Physics exercises

ExerciseNo. of questionsPages
Evaluation2839 to 40

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 4: Electricity

Concepts covered in Electricity are Earthing (Grounding), Electrical Power, Electrical Resistivity and Electrical Conductivity, Electric Circuit, Electric Current, Electricity, Heating Effect of Electric Current, Household Electrical Circuits, Joule’s Law of Heating, Led Bulb, Led Television, Ohm's Law, Parallel Connection of Series Resistors, Potential and Potential Difference, Resistance (R), Resistances in Parallel, Resistors in Series, Series Connection of Parallel Resistors, Symbols and Functions of Various Components of an Electric Circuits, System of Resistors

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 4: Electricity exercises

ExerciseNo. of questionsPages
Evaluation4255 to 57

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 5: Acoustics

Concepts covered in Acoustics are Application of Reflection of Sound, Applications of Doppler Effect, Audibility and Range, Difference Between the Sound and Light Waves, Doppler Effect, Echoes, Expression for Apparent Frequency Due to Doppler Effect, Factors Affecting Speed of Sound in Gas, Law of Reflection of Light, Reflection of Sound, Sound, Speed of Sound in Different Media, Speed of Sound (Velocity of Sound)

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 5: Acoustics exercises

ExerciseNo. of questionsPages
Evaluation4970 to 72

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 6: Nuclear Physics

Concepts covered in Nuclear Physics are Alpha Decay (Alpha Emission), Beta Decay (Beta Emission), Changes Within the Nucleus in Alpha, Beta and Gamma Emission, Gamma Decay (Gamma Emission), Nuclear Energy, Nuclear Fission, Nuclear Fusion, Nuclear Reactor, Properties of Alpha Particles, Properties of Beta Particles, Properties of Gamma Radiations, Radioactivity, Radioactivity as Emission of Alpha, Beta, and Gamma Radiations, Safety Precautions While Using Nuclear Energy, Types of Radioactivity, Uses of Radioactive Isotopes

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 6: Nuclear Physics exercises

ExerciseNo. of questionsPages
Evaluation7486 to 89

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 7: Atoms and Molecules

Concepts covered in Atoms and Molecules are Atomic Mass, Atoms: Building Blocks of Matter, Avogadro’s Law, Classification of Molecules, Difference Between Atoms and Molecules, Mole Concept, Molecular Mass, Molecules, Percentage Composition, Empirical and Molecular Formula, Relationship Between Vapour Density and Relative Molecular Mass

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 7: Atoms and Molecules exercises

ExerciseNo. of questionsPages
Evaluation50102 to 104

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 8: Periodic Classification of Elements

Concepts covered in Periodic Classification of Elements are Alloys, Corrosion of Metals and Its Prevention, Extraction of Aluminium, Extraction of Copper, Extraction of Iron, History of Periodic Table: Early Attempts at the Classification of Elements, Making Alloys, Metallurgy, Metallurgy of Aluminium, Metallurgy of Copper, Metallurgy of Iron, Modern Periodic Law, Occurrence of Ores in Tamil Nadu, Pamban Bridge, Periodic Properties, Periodic Properties: Atomic Radius Or Atomic Size, Periodic Properties: Electron Affinity, Periodic Properties: Electronegativity, Periodic Properties: Ionic Radii, Periodic Properties: Ionisation Potential (Ionisation Energy), The Modern Periodic Table, Types of Elements: Metals, Types of Separation or Concentration of an Ore

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 8: Periodic Classification of Elements exercises

ExerciseNo. of questionsPages
Evaluation43121 to 123

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 9: Solutions

Concepts covered in Solutions are Components of Solutions, Concentration of a Solution, Different Types of Solutions, Efflorescence, Hygroscopic, and Deliquescence Substances, Hydrated and Anhydrous Substances, Problems Based on Solubility and Percentage by Mass and Volume, Solubility, Solutions

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 9: Solutions exercises

ExerciseNo. of questionsPages
Evaluation43134 to 135

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 10: Types of Chemical Reactions

Concepts covered in Types of Chemical Reactions are Balancing Chemical Equation, Chemical Equation, Classification of Change: Chemical Changes, Classification of Change: Reversible and Irreversible Changes, Combustion Reactions, Decomposition Reactions, Direct Combination (or Synthesis) Reaction, Double Displacement Reaction, Effects of Chemical Changes: Biological Effects, Effects of Chemical Changes: Environmental Effects, Indicators, Ionic Product of Water, Ph Calculation, Problems on Ph, Rate of Chemical Reaction, Single Displacement Reactions, State of Equilibrium, Strength of Acidic or Basic Solutions, Types of Chemical Change or Chemical Reaction

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 10: Types of Chemical Reactions exercises

ExerciseNo. of questionsPages
Evaluation41152 to 154

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 11: Carbon and its Compounds

Concepts covered in Carbon and its Compounds are Carbon: a Versatile Element, Classification of Compounds of Carbon, Classification of Organic Compound Based on the Kind of Atoms, Classification of Organic Compounds Based on the Pattern of Carbon Chain, Cleansing Action of Soap, Detergents, Ethanoic Acid, Ethanol, Functional Groups in Carbon Compounds, Homologous Series of Carbon Compound, Hydrocarbons, IUPAC Nomenclature of Hydrocarbons, IUPAC Nomenclature of other classes, Laboratory Preparation of Ethanol, Nomenclature of Organic Compounds (IUPAC), Organic Compounds, Organic Compounds in Daily Life, Soap

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 11: Carbon and its Compounds exercises

ExerciseNo. of questionsPages
Evaluation40170 to 171

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 12: Plant Anatomy and Plant Physiology

Concepts covered in Plant Anatomy and Plant Physiology are Chlorophyll – the Vital Plant Pigment, Factors Affecting Photosynthesis, Internal Structure of Dicot Leaf (Dorsiventral Leaf) Ex. Mango Leaf, Internal Structure of Dicot Root (Bean), Internal Structure of Dicot Stem (Sunflower), Internal Structure of Monocot Leaf (Isobilateral Leaf) Ex.Grass Leaf, Internal Structure of Monocot Root (Maize), Internal Structure of Monocot Stem (Maize), Light Dependent Reaction (Hill Reaction \ Light Reaction), Light Independent Reactions (Dark Reaction \ Biosynthetic Phase), Mitochondria - “Power House of the Cell”, Phases of Respiration: Electron Transport Chain (Electron Transfer System), Phases of Respiration: Fermentation, Phases of Respiration: Glycolysis, Phases of Respiration: Oxidative Phosphorylation, Phases of Respiration: Pyruvate Oxidation (Link Reaction), Phases of Respiration: Tricarboxylic Acid Cycle (Citric Acid Cycle Or Kreb’s Cycle), Photosynthesis - Food Making Process in Plants, Plant Anatomy and Plant Physiology, Plastids, Process of Photosynthesis, Respiratory Quotient (R.Q.), Role of Sunlight in Photosynthesis, Tissues - “The Teams of Workers”, Tissue System, Types of Respiration: Aerobic and Anaerobic Respiration

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 12: Plant Anatomy and Plant Physiology exercises

ExerciseNo. of questionsPages
Evaluation37184 to 185

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 13: Structural Organisation of Animals

Concepts covered in Structural Organisation of Animals are Circulatory System of Leech, Circulatory System of Rabbit, Coelom (Body Cavity) of Rabbit, Digestive System of Leech, Digestive System of Rabbit, Excretory System of Leech, External Morphology of Leech, External Morphology of Rabbit, Nervous System of Leech, Nervous System of Rabbit, Parasitic Adaptations of Leech, Rabbit (Oryctolagus Cuniculus), Reproductive System of Leech, Respiratory System of Leech, Respiratory System of Rabbit, The Indian Cattle Leech (Hirudinaria Granulosa), Urinogenital System of Rabbit

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 13: Structural Organisation of Animals exercises

ExerciseNo. of questionsPages
Evaluation37197 to 199

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 14: Transportation in Plants and Circulation in Animals

Concepts covered in Transportation in Plants and Circulation in Animals are Active Transport, Blood, Blood Circulatory System in Human, Blood Pressure (B.P.), Blood Transfusion and Blood Groups (ABO and Rh system), Blood Vessels – Arteries, Veins, and Capillaries, Circulation of Blood in the Heart: Cardiac Cycle, Circulation of Blood in the Heart (Functioning of Heart), Composition of Blood: Blood Platelets (Thrombocytes), Composition of Blood: Red Blood Cells (Erythrocytes), Composition of Blood: White Blood Cells (Leukocytes), Concept of Imbibition, Concept of Osmosis, Factors Affecting the Rate of Transpiration, Functions of Blood, Heart Beat - Heart Sounds "LUBB" and "DUP", Human Heart, Lymph and Lymphatic System, Means of Transport in Plants, Path of Water Across the Root, Root Pressure, Simple Diffusion, Translocation of Mineral Ions, Translocation of Water (Ascent of Sap), Transpiration, Transportation of Water and Food in Plants, Transport of Food, Types of Blood Circulation, Uptake of Minerals, Water and Mineral Absorption by Root

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 14: Transportation in Plants and Circulation in Animals exercises

ExerciseNo. of questionsPages
Evaluation65213 to 215

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 15: Nervous System

Concepts covered in Nervous System are Central Nervous System (CNS), Central Nervous System (CNS): Structure of Human Brain, Cerebrospinal Fluid, Human Nervous System, Major Division of the Nervous System, Nerve Fibres, Neuroglial Cells (Or Glial Cells), Neuron as Structural and Functional Unit of Neural System, Neuron (Or Nerve Cell) and Its Types, Peripheral Nervous System (PNS), Reflex and Reflex Action, The Human Brain, The Spinal Cord, Transmission of Nerve Impulse

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 15: Nervous System exercises

ExerciseNo. of questionsPages
Evaluation49226 to 228

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 16: Plant and Animal Hormones

Concepts covered in Plant and Animal Hormones are Adrenal Gland (Suprarenal Gland), Hormones, Hormones in Animals, Human Endocrine System, Pancreas (Islets of Langerhans), Parathyroid Gland, Pituitary Gland or Hypophysis Gland, Plant Hormones, Reproductive Glands (Gonads), Thymus Gland, Thyroid Gland, Types of Plant Hormones: Abscisic Acid (ABA), Types of Plant Hormones: Auxins, Types of Plant Hormones: Cytokinins, Types of Plant Hormones: Ethylene, Types of Plant Hormones: Gibberellins

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 16: Plant and Animal Hormones exercises

ExerciseNo. of questionsPages
Evaluation64239 to 241

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 17: Reproduction in Plants and Animals

Concepts covered in Reproduction in Plants and Animals are Agents of Pollination, Asexual Reproduction in Plant, Cross Pollination, Double Fertilization and Triple Fusion in Plant, Family Planning, Fertilization to Foetal Development, Gametogenesis, Human Reproductive System, Menstrual Cycle (Ovarian Cycle), Mode of Reproduction in Plant, Natural Vegetative Reproduction, Pollination, Reproduction in Plant, Reproductive Health, Self Pollination (Autogamy), Sexual Reproduction in Flowering Plants, The Female Reproductive System, The Male Reproductive System, Types of Hygiene: Personal Hygiene

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 17: Reproduction in Plants and Animals exercises

ExerciseNo. of questionsPages
Evaluation61256 to 258

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 18: Genetics

Concepts covered in Genetics are Chromosomes - The Carriers of Heredity, Deoxyribonucleic Acid (DNA) and Its Structure, DNA Replication, Genes and Genetic, Gregor Johann Mendel – Father of Genetics, Inheritance of One Gene (Monohybrid Cross), Inheritance of Two Genes (Dihybrid Cross), Mendelian Inheritance - Mendel’s Laws of Heredity, Mutation, Sex Determination, Types of Chromosomes

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 18: Genetics exercises

ExerciseNo. of questionsPages
Evaluation44271 to 273

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 19: Origin and Evolution of Life

Concepts covered in Origin and Evolution of Life are Astrobiology/Exobiology, Chemical Evolution of Life (Self-assembly Theory of the Origin of Life), Darwin’s Theory of Natural Selection, Ethnobotany, Evidences for Biological Evolution, Lamarck’s Theory of Evolution, Paleobotany, Theories of Origin of Life, Universe, Variation

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 19: Origin and Evolution of Life exercises

ExerciseNo. of questionsPages
Evaluation26282 to 284

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 20: Breeding and Biotechnology

Concepts covered in Breeding and Biotechnology are Animal Breeding, Biotechnology in Medicine, Breeding and Biotechnology, DNA Fingerprinting Technique, Genetically Modified Organisms (GMOs), Genetic Engineering (Recombinant DNA Technology)., Green Revolution, Methods of Plant Breeding for Crop Improvement, Modern Agricultural Practices and Crop Improvement, Stem Cells

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 20: Breeding and Biotechnology exercises

ExerciseNo. of questionsPages
Evaluation56296 to 298

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 21: Health and Diseases

Concepts covered in Health and Diseases are Abuse and Types of Abuse, Alcohol Abuse, Approaches for Protection of an Abused Child, Cancer, Diabetes Mellitus, Diseases and Disorders Due to Lifestyle Modifications, Drug Abuse, Heart Disease, Obesity and Its Prevention, Sexually Transmitted Diseases (STD), Tobacco Abuse

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 21: Health and Diseases exercises

ExerciseNo. of questionsPages
Evaluation58311 to 313

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 22: Environmental Management

Concepts covered in Environmental Management are Bio-energy, Consequences of Deforestation, Conservation and Judicious Use of Resources, Conservation of Coal, Petroleum, and Natural Resources, Conservation of Electrical Energy, Conservation of Forest, Conservation of Wildlife, Conventional Sources of Energy and Non-conventional Sources of Energy, Deforestation and Its Causes, Energy from the Sea, Environmental Management, E-wastes and Its Management, Five R’s of Waste Management, Forests: Our Lifeline, Fossil Fuels, Fresh Water Management, Hydroelectric Energy, Sewage and Its Management, Shale Gas, Soil Conservation, Soil Erosion, Solar Energy, Solar Energy Devices, Solid Waste Management, Waste Water Management, Wildlife, Wind Energy

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 22: Environmental Management exercises

ExerciseNo. of questionsPages
Evaluation52326 to 328

### Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th Science (Class 10) Chapter 23: Visual Communication

Concepts covered in Visual Communication are File and Folder, Scratch, Visual Communication Devices

#### Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) Chapter 23: Visual Communication exercises

ExerciseNo. of questionsPages
Evaluation10333

## Tamilnadu Board Class 10th Science New Textbook 2020-21

The Tamilnadu Board Class 10th is a significant year for most students, as it provides the groundwork for their future education. This is the year in which pupils take their first board examination. As a result, if students want to perform well in their board exams, they must completely understand all of the themes and courses in 10th grade. Students will benefit from the Tamilnadu board's Class 10th Science textbook.

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## Tamil Nadu Board Samacheer Kalvi Solutions for Class 10th SSLC Science Answers Guide

Class 10th Tamil Nadu Board Samacheer Kalvi solutions answers all the questions given in the Tamil Nadu Board Samacheer Kalvi textbooks in a step-by-step process. Our Science tutors have helped us put together this for our Class 10th Students. The solutions on Shaalaa will help you solve all the Tamil Nadu Board Samacheer Kalvi Class 10th Science (Class 10) questions without any problems. Every chapter has been broken down systematically for the students, which gives fast learning and easy retention.

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