NCERT Solutions for Class 9 Science for CBSE Exam

CBSE Class 9 Science Solutions Guide

Shaalaa.com provides the CBSE Class 9 Science Solutions Digest. Shaalaa is undoubtedly a site that most of your classmates are using to perform well in exams.

You can solve the Class 9 Science Book Solutions CBSE textbook questions by using Shaalaa.com to verify your answers, which will help you practise better and become more confident.


CBSE Class 9 Science Textbook Solutions

Questions and answers for the Class 9 Science Textbook are on this page. NCERT Solutions for Class 9 Science Digest CBSE will help students understand the concepts better.


NCERT Solutions for Class 9 Science Chapterwise List | Class 9 Science Digest

The answers to the NCERT books are the best study material for students. Listed below are the chapter-wise NCERT Science Class 9 Solutions CBSE.


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NCERT Solutions for Class 9 Science for CBSE Exam - Shaalaa.com
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NCERT Class 9 solutions for other subjects

We also provide solutions for other subjects to help you top the exams. These NCERT solutions are curated with respect to the exam pattern and old papers. Find the best questions and solutions here. Click now to access it.

Chapters covered in NCERT Solutions for Science Class 9

NCERT Solutions for Class 9 Science (9th) Chapter 1: Matter in Our Surroundings

Concepts covered in Matter in Our Surroundings are Bose-einstein Condensate, Change of State of Matter, Characteristics of Particles (Molecules) of Matter, Concept of Boiling (Vaporization), Concept of Condensation (Liquefaction), Concept of Desublimation (Deposition), Concept of Evaporation, Concept of Freezing (Solidification), Concept of Melting (Fusion), Concept of Sublimation, Matter (Substance), Plasma, The Gaseous State, The Liquid State, The Solid State.

NCERT Class 9 Science (9th) Chapter 1: Matter in Our Surroundings exercises

ExerciseNo. of questionsPages
Intext Questions43
Intext Questions156
Intext Questions69
Intext Questions510
Exercises1512

NCERT Solutions for Class 9 Science (9th) Chapter 2: Is Matter around us Pure

Concepts covered in Is Matter around us Pure are Centrifugation Method, Chromatography Method, Classification of Change: Chemical Changes, Classification of Change: Physical Changes, Colloidal Solution, Compound, Concentration of a Solution, Crystallisation Method, Elements, Evaporation Method, Fractional Distillation Method, Matter (Substance), Mixture, Pure Substances, Simple Distillation Method, Solutions, Solvent Extraction (Using a Separating Funnel Method), Sublimation Method, Suspension Solution, Types of Matter, Types of Mixtures.

NCERT Class 9 Science (9th) Chapter 2: Is Matter around us Pure exercises

ExerciseNo. of questionsPages
Intext Questions312 to 15
Intext Questions318
Intext Questions524
Intext Questions924
Exercises2328 to 30

NCERT Solutions for Class 9 Science (9th) Chapter 3: Atoms and Molecules

Concepts covered in Atoms and Molecules are Atomic Mass, Atoms and Molecules Numericals, Atoms: Building Blocks of Matter, Chemical Formula or Molecular Formula, Classification of Molecules, Dalton’s atomic theory, Difference Between Atoms and Molecules, Formula Unit Mass, History of Atom, Ions (Radicals) and Its Types, Law of Conservation of Mass, Law of Constant Proportions (Law of Definite Proportions), Laws of Chemical Combination, Mole Concept, Molecular Mass, Molecules, Relative Atomic Mass (RAM), Symbols Used to Represent Atoms of Different Elements.

NCERT Class 9 Science (9th) Chapter 3: Atoms and Molecules exercises

ExerciseNo. of questionsPages
Intext Questions432 to 33
Intext Questions335 to 39
Intext Questions1323 to 39
Intext Questions1240
Intext Questions242
Exercises2643 to 44

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NCERT Solutions for Class 9 Science (9th) Chapter 4: Structure of the Atom

Concepts covered in Structure of the Atom are Advantage and Limitations of Thomson’s Atomic Model, Atomic Mass, Atomic Number (Z), Mass Number (A), and Number of Neutrons (n), Atoms and Molecules Numericals, Atoms: Building Blocks of Matter, Different Ways to Determine Valency, Discovery of Charged Particles in Matter, Electronic Configuration of Atom, Electrons (e), Existence of Charged Particles in Matter, Introduction of Atoms, Isobars, Isotopes, J. J. Thomson’s Atomic Model, Limitations of Rutherford’s Atomic Model, Lord Rutherford’s Atomic model, Neils Bohr’s Model of an Atom, Neutrons (n), Protons (p), Uses of Radioactive Isotopes, Valency.

NCERT Class 9 Science (9th) Chapter 4: Structure of the Atom exercises

ExerciseNo. of questionsPages
Intext Questions247
Intext Questions449
Intext Questions249
Intext Questions250
Intext Questions152
Intext Questions252
Intext Questions253
Exercises2654 to 55

NCERT Solutions for Class 9 Science (9th) Chapter 5: The Fundamental Unit of Life

Concepts covered in The Fundamental Unit of Life are Cell Division: an Essential Life Process, Cell: the Fundamental Unit of Life, Cell Theory, Cell Wall - “Supporter and Protector”, Concept of Osmosis, Cytoplasm - “Area of Movement”, Endoplasmic Reticulum (ER), Golgi Apparatus - "The delivery system of the cell", Lysosome - “Suicidal Bag”, Mitochondria - “Power House of the Cell”, Non-living Substances Or Cell Inclusion, Nucleus - “Brain” of the Cell, Organisms Show Variety in Cell Number, Shape and Size, Osmotic Pressure, Plant Cell and Animal Cell, Plasma Membrane, Plastids, Prokaryotic and Eukaryotic Cell, Semi-permeable Membrane (Cell Membrane), Simple Diffusion, Structure of a Cell, The Invention of the Microscope and the Discovery of Cell.

NCERT Class 9 Science (9th) Chapter 5: The Fundamental Unit of Life exercises

ExerciseNo. of questionsPages
Intext Questions259
Intext Questions261
Intext Questions163
Intext Questions465
Exercises1067

NCERT Solutions for Class 9 Science (9th) Chapter 6: Tissues

Concepts covered in Tissues are Animal Tissues, Complex Permanent Tissue: Phloem Structure and Function (Conducting Tissue), Complex Permanent Tissues, Complex Permanent Tissue: Xylem Structure and Function (Conducting Tissue), Connective Tissue, Epithelial Tissue, Meristems or Meristematic Tissues, Muscular Tissue, Nervous Tissue, Permanent Tissue, Plant and Animals Tissue, Plant Tissues, Simple Permanent Tissues (Supporting Tissue), Tissues - “The Teams of Workers”.

NCERT Class 9 Science (9th) Chapter 6: Tissues exercises

ExerciseNo. of questionsPages
Intext Questions269
Intext Questions473
Intext Questions477
Exercises2478 to 79

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NCERT Solutions for Class 9 Science (9th) Chapter 7: Diversity in Living Organisms

Concepts covered in Diversity in Living Organisms are Biodiversity, Biological Classification, Chordata: Vertebrata, Classification, Differences Between Plantae (Plants) and Animalia (Animals), Five Kingdom Classification, Invertebrata and Vertebrata, Invertebrate: Phylum Nematoda, Kingdom Animalia, Kingdom Fungi, Kingdom Monera, Kingdom Plantae, Kingdom Plantae: Angiosperms, Kingdom Plantae: Bryophytes (Mosses), Kingdom Plantae: Gymnosperms, Kingdom Plantae: Pteridophytes (Ferns), Kingdom Plantae: Thallophyta (Algae), Kingdom Plantae: Thallophyta (Fungi), Kingdom Protista, Nomenclature, Phylum: Annelida, Phylum: Arthropoda, Phylum: Cnidaria/Coelenterata, Phylum: Echinodermata, Phylum: Mollusca, Phylum: Platyhelminthes, Phylum: Porifera, Subphylum: Prochordata, Taxonomic Hierarchy of Living Organisms: Unit of Classification, Taxonomy and Systematics.

NCERT Class 9 Science (9th) Chapter 7: Diversity in Living Organisms exercises

ExerciseNo. of questionsPages
Intext Questions280
Intext Questions382
Intext Questions283
Intext Questions385
Intext Questions388
Intext Questions494
Exercises697

NCERT Solutions for Class 9 Science (9th) Chapter 8: Motion

Concepts covered in Motion are Derivation of Displacement - Time Relation by Graphical Method, Derivation of Displacement - Velocity Relation by Graphical Method, Derivation of Velocity - Time Relation by Graphical Method, Describing Motion, Displacement - Time Graph Or Distance - Time Graph, Distance and Displacement, Equations of Motion by Graphical Method, Measuring the Rate of Motion - Speed with Direction, Motion Along a Straight Line, Motion and Rest, Motion (Numerical), Rate of Change of Velocity, Types of Motion, Uniform Circular Motion (UCM), Velocity - Time Graphs.

NCERT Class 9 Science (9th) Chapter 8: Motion exercises

ExerciseNo. of questionsPages
Intext Questions3100
Intext Questions5100 to 102
Intext Questions3103
Intext Questions4107
Intext Questions5109 to 110
Exercises10112 to 113

NCERT Solutions for Class 9 Science (9th) Chapter 9: Force and Laws of Motion

Concepts covered in Force and Laws of Motion are Balanced and Unbalanced Forces, Conservation of Momentum, Effect of Force, Force, Force and Laws of Motion (Numerical), Force - Push or Pull, Inertia and Mass, Newton's First Law of Motion, Newton's Second Law of Motion, Newton's Third Law of Motion, Types of Force: Contact Force, Types of Force: Non-Contact Force.

NCERT Class 9 Science (9th) Chapter 9: Force and Laws of Motion exercises

ExerciseNo. of questionsPages
Intext Questions4118
Intext Questions4126 to 127
Intext Questions18128 to 129
Exercises4130

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NCERT Solutions for Class 9 Science (9th) Chapter 10: Gravitation

Concepts covered in Gravitation are Acceleration Due to Gravity (Earth’s Gravitational Acceleration), Archimedes' Principle, Buoyancy Force (Upthrust Force), Density of the Fluid, Free Fall, Gravitation, Liquid Pressure, Mass and Weight of an Object, Newton’s Universal Law of Gravitation, Relative Density and Its Unit, Thrust and Pressure.

NCERT Class 9 Science (9th) Chapter 10: Gravitation exercises

ExerciseNo. of questionsPages
Intext Questions2134
Intext Questions2136
Intext Questions2138
Intext Questions3141
Intext Questions2142
Exercises24143 to 144

NCERT Solutions for Class 9 Science (9th) Chapter 11: Work and Energy

Concepts covered in Work and Energy are Concept of Energy, Concept of Work, Gravitational Potential Energy, Introduction of Work, Kinetic Energy (K), Law of Conservation of Energy, Mechanical Energy and Its Types, Potential Energy of an Object at a Height, Potential Energy (U), Rate of Doing Work, Transformation of Energy, Work and Energy (Numericals).

NCERT Class 9 Science (9th) Chapter 11: Work and Energy exercises

ExerciseNo. of questionsPages
Intext Questions1148
Intext Questions4149
Intext Questions3152
Intext Questions4156
Exercises27158 to 159

NCERT Solutions for Class 9 Science (9th) Chapter 12: Sound

Concepts covered in Sound are Characteristics of a Sound Wave, Echoes, Human Ear, Production of Sound, Propagation of Sound, Range of Hearing in Humans, Reflection of Sound, Reverberation, SONAR, Sound, Sound Need a Medium to Travel, Sound (Numerical), Sound Waves Are Longitudinal Waves, Speed of Sound (Velocity of Sound), Ultrasonic Sound Or Ultrasound, Uses of Multiple Reflection of Sound.

NCERT Class 9 Science (9th) Chapter 12: Sound exercises

ExerciseNo. of questionsPages
Intext Questions1162
Intext Questions3163
Intext Questions3166
Intext Questions4166
Intext Questions1166
Intext Questions1167
Intext Questions1168
Intext Questions1169
Intext Questions3170
Intext Questions1172
Exercises22174 to 175

NCERT Solutions for Class 9 Science (9th) Chapter 13: Why do we fall Ill

Concepts covered in Why do we fall Ill are Acute and Chronic Diseases, Categories of Disease, Causes of Disease, Communicable Or Infectious Diseases, Disease, Health, Infectious Agents, Manifestation of Diseases, Modes of Transmission of Diseases, Non-communicable or Non-infectious Diseases, Organ-specific and Tissue-specific Manifestations, Principles of Prevention of Diseases, Principles of Treatment of Diseases.

NCERT Class 9 Science (9th) Chapter 13: Why do we fall Ill exercises

ExerciseNo. of questionsPages
Intext Questions3178
Intext Questions2180
Intext Questions5186
Exercises6187 to 188

NCERT Solutions for Class 9 Science (9th) Chapter 14: Natural Resources

Concepts covered in Natural Resources are Air is a Mixture, Air Pollution and Its Causes, Atmosphere and Its Layers, Availability of Water, Biogeochemical Cycle, Biosphere: The Domain of Life, Importance of Water, Mineral Riches in the Soil, Natural Resource, Nitrogen Cycle, Ozone, Ozone Layer Depletion, Rain, The Carbon Cycle, The Oxygen Cycle, Water Cycle, Water, Our Lifeline, Water Pollution and Its Causes, Where Do We Get Water From?, Wind: The Movement of Air.

NCERT Class 9 Science (9th) Chapter 14: Natural Resources exercises

ExerciseNo. of questionsPages
Intext Questions5193
Intext Questions3194
Intext Questions3196
Intext Questions5201
Exercises6201 to 202

NCERT Solutions for Class 9 Science (9th) Chapter 15: Improvement in Food Resources

Concepts covered in Improvement in Food Resources are Animal Husbandry (Livestock), Apiculture (Bee Farming), Crop Production Improvement, Crop Protection Management, Crop Variety Improvement, Dairy Farming, Fertilizers, Improvement in Crop Yields, Improvements in Food Resources, Irrigation, Manuring (Biomanuring), Methods to Replenish Nutrients in Your Soil, Pisciculture (Fish Farming), Poultry Farming, Types of Irrigation.

NCERT Class 9 Science (9th) Chapter 15: Improvement in Food Resources exercises

ExerciseNo. of questionsPages
Intext Questions1204
Intext Questions2205
Intext Questions2206
Intext Questions1207
Intext Questions1208
Intext Questions2209
Intext Questions1210
Intext Questions1211
Intext Questions2211
Intext Questions2213
Intext Questions2213
Exercises9214 to 215

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NCERT Solutions for Science Class 9

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NCERT Solutions for Class 9 Science CBSE

Class 9 NCERT Solutions answer all the questions in the NCERT textbooks in a step-by-step process. Our Science tutors helped us assemble this for our Class 9 students. The solutions on Shaalaa will help you solve all the NCERT Class 9 Science questions without any problems. Every chapter has been broken down systematically for the students, which gives them fast learning and easy retention.

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Our CBSE NCERT solutions for Science Class 9 cover everything from Matter in Our Surroundings, Is Matter around us Pure, Atoms and Molecules, Structure of the Atom, The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Why do we fall Ill, Natural Resources, Improvement in Food Resources and the other topics.

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