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NCERT Solutions for Class 10 Science

NCERT Solutions for Class 10 Science

Edited By Vishal kumar | Updated on May 20, 2024 03:28 PM IST

NCERT Solutions for Class 10 Science - 2024-25 Free PDFs

NCERT Solutions Science Class 10, updated for the academic year 2024–25, is provided here. Here, you can find free PDF downloads of comprehensive solutions to all the chapters in your 10th science book. These class 10 science solutions have been carefully curated and aligned with the latest CBSE syllabus, ensuring that you have access to accurate and reliable study material. Whether you are preparing for your board exams or seeking to strengthen your understanding of science concepts, our updated NCERT Solutions are here to assist you on your academic journey.

Class 10 science NCERT solution plays an important role in the preparation of board exams. Most of the questions asked on the board exams are based on the NCERT science book, class 10. The curriculum for CBSE and some state board schools in India is provided by the National Council of Educational Research and Training (NCERT), a self-governing body of the Indian government. Therefore, this NCERT syllabus can be used by candidates for the various Class 10 board exams. It is very important for students to solve the questions given in the NCERT. Here we are providing the class 10 NCERT science solutions for the ease of the students. These NCERT Solutions class 10 science questions are prepared by the subject matter experts at Careers360.

Also Read: NCERT Class 10 Science: Chapterwise Important Formulas, Diagrams, And Points

NCERT Solutions of Class 10 Science Chapter-Wise PDFs

Chapter wise NCERT solution for class 10 are available in simple and easy-to-understand PDF format, providing step-by-step solutions with all the class 10 science chapter names. These solutions are designed to help students comprehend challenging topics with ease and perform better in their Science exams. By using these NCERT science solution, students can gain a better understanding of the subject, strengthen their problem-solving skills, and excel in their Class 10 Science studies.

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The following chapters have been removed from the NCERT Class 10 Science textbook 2023-24:

NCERT class 10 science chapters solutions not only aid students in preparing for their Class 10 examinations but also provide a strong foundation for their future studies. These solutions help students understand topics thoroughly, ensuring a comprehensive grasp of the subject matter. Additionally, many competitive examinations include questions directly from the NCERT textbooks, making these solutions invaluable for holistic preparation.

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NCERT Solutions for Class 10 Science

NCERT Solution Class 10 Science: NCERT Class 10 science chapters cover a wide range of chapters, including topics like Life, Evolution, Generations, Metals, Chemicals, Environments, and more. These solutions are strictly based on the NCERT textbooks for Class 10 Science. The NCERT Class 10 Science textbooks are divided into four subjects, and our ncert solutions class 10 science provide comprehensive and accurate guidance for all these subjects, ensuring a thorough understanding of the concepts and helping students excel in their studies.

  • Chemistry
  • Physics
  • Biology
  • Environmental science

NCERT Solutions for Class 10 Science Chapter- Unit Wise Weightage

The unit-wise distribution of marks for class 10 science chapters is tabulated below:

Unit No.

Class 10 Science Units and Chapters



Chemical Substances – Nature and Behaviour: include Chapters 1, 2, 3 and 4



World of Living: include Chapters 6, 7, 8 and 9



Natural Phenomena: include Chapters 10 and 11



Effects of Current: include Chapters 12 and 13



Natural Resources: Include Chapter 15


Total Theory


Internal Assessment


Grand Total


NCERT Solutions Class 10 Science Book All Chapters Brief

Class 10th science chapter-wise solution: Learn more about Class 10 science question answers in the chapter details given below:

Chapter 1: Chemical Reactions and Equations

In this class 10 science chapter 1, you will learn about chemical reactions with some experimental examples, how to write the chemical equations, how to balance the chemical equations, an indicator of the chemical reactions, symbolic representation of chemical reactions, the law of conservation of mass, physical state and conditions for chemical reactions, etc. You can find NCERT Solutions Class 10 Science Chapter 1 Chemical Reactions and Equations by clicking on the link given in the table above.

Topics Covered in Class 10 Science Chapter 1 question answer Chemical Reactions and Equations :

  1. Chemical reactions: Introduction to chemical reactions and their importance in daily life.

  2. Chemical equation: Definition of a chemical equation and its significance in representing a chemical reaction.

  3. Balanced chemical equation: Understanding the concept of balancing chemical equations to maintain the law of conservation of mass.

  4. Implications of a balanced chemical equation: Explanation of how a balanced chemical equation provides information about the reactants and products involved in a reaction.

  5. Types of chemical reactions: Explanation of different types of chemical reactions, including combination, decomposition, displacement, double displacement, precipitation, endothermic, and exothermic reactions.

  6. Oxidation and reduction: Introduction to the concepts of oxidation and reduction in chemical reactions.

Also read,

Chapter 2: Solutions Acids Bases and Salts

NCERT Class 10 Science Chapter 2 delves into the fascinating world of acids, bases, and salts. You will learn about the distinct tastes and properties of acids and bases, and their reactions with metals, metal carbonates, and metal hydrogen carbonates. The chapter also covers acid-base reactions, the importance of pH in daily life, and the preparation, properties, and uses of salts. Through various examples and experiments, you will gain a deeper understanding of chemical reactions and their impact on our daily routines. This NCERT textbook class 10 science chapter provides valuable insights into the behaviour of acids, bases, and salts, making it an essential part of your science education.

Topics Covered in ncert solutions class 10 science Chapter 2 Solutions Acids Bases and Salts :

In Class 10 Science Chapter 2, "Acids, Bases, and Salts," you will explore the concepts of acids, bases, and salts. You will learn about their definitions based on the furnishing of H+ and OH-ions, their general properties, examples, and various uses. This chapter of NCERT class 10 science solutions also covers the process of neutralisation and introduces the concept of the pH scale, which is essential in our daily lives. Additionally, you will study the preparation and applications of important substances such as Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda, and Plaster of Paris. This chapter offers valuable insights into the behaviour and applications of acids, bases, and salts, making it an important topic for your science studies.

Also refer,

Chapter 3: Metals and Non-Metals

In NCERT Class 9 we have already learnt about elements. Metals and non-metals can be classified on the basis of their properties. This NCERT Class 10 Science chapter starts with the physical properties of metals and non-metals like melting point, physical properties at room temperature, tensile strength, and appearance.

NCERT class 10 science solutions also cover all chemical properties of metals and non-metals, and reactions of metals and non-metals with oxygen gas, water, other metal salts, and acids. The NCERT Solutions for Class 10 Science Chapter 3 Metals and Non-metals make this chapter easy to understand.

Topics Covered in Class 10 Science Chapter 3 Metals and Non-Metals :

In Class 10 Science Chapter 3, "Metals and Non-metals," you will study the properties and characteristics of metals and non-metals. The chapter covers the reactivity series of metals and discusses the formation and properties of ionic compounds. You will also learn about basic metallurgical processes used to extract metals from their ores. Also, the chapter delves into the topic of corrosion and its prevention methods. By studying this chapter, you will gain a comprehensive understanding of the unique properties and behaviours of metals and non-metals, their reactions, and their practical applications in various industries.

Also read,

Chapter 4: Carbon and Its Compounds

Carbon is a very important element in organic and inorganic chemistry. Organic chemistry is the study of properties, structure, and reaction of carbon-containing compounds. In this NCERT Class 10 Science chapter 4, we will study some carbon-containing compounds and their properties, bonding in carbon, the versatile nature of carbon, saturated and unsaturated carbon compound, homologous series, noman culture of carbon compounds, chemical properties like combustion, oxidation, addition reaction, substitution reaction, and some important compound and it's properties etc.

class 10 ncert science solutions will also teach you about the nomenclature used in science which is very important for further studies. Also, you will be learning about carbon, an element which is of immense significance to us in both its elemental and in combined form.

Topics Covered in ncert solutions class 10 science Chapter 4 Carbon and Its Compounds :

Class 10 Science Chapter 4, "Carbon and its Compounds," cover the covalent bonding in carbon compounds, showcasing the versatility of carbon in forming various compounds. It covers nomenclature, chemical properties, and specific examples like ethanol, ethanoic acid, soaps, and detergents, providing insights into their applications and importance in daily life.

Also see,

Chapter 5: Periodic Classification of Elements

The matter around us is present in the form of elements, compounds or mixtures. There are 118 elements found till today and all these elements have different properties. Classification makes it easier to learn about them and our focus in this chapter should be to understand how the classification works. The classification is very important to study the physical and chemical properties of all elements. So, scientists arranged all elements in certain rows and columns based on their properties and created the periodic table.

This Class 10 Science NCERT chapter will cover the history of the periodic table starting from Dobereiner's Triads to the modern periodic table, properties, and trends of elements in the modern periodic table. Students must check the NCERT Solutions for Class 10 Science Chapter 5 Periodic Classification of Elements as it is very useful in classes 11th and 12th.

students can refer to,

Chapter 6: Life Processes

How do we differentiate if someone is alive or not? Generally by the visible movements like running, shouting, or breathing. However, some animals breathe in such a manner that it is not visible to the naked eye. Then how we can identify who is alive? In this chapter, of ncert class 10 science solutions you will get answers to all these questions and more.

The invisible molecular movement is necessary for life. Life process involves various activities by the digestive system, respiratory system, and circulation system performed by the living organisms to sustain their living. Class 10 science chapter 6 question answer Life Processes gives you the answers to various questions like how organisms obtain their nutrition to stay alive, what is life and its processes, what is nutrition for human beings and plants and how it works.

Topics Covered in Class 10 Science Chapter 6 Life Processes :

In ncert solutions class 10 science Chapter 6, "Life Processes," we study the essential functions that sustain living organisms. The chapter covers the basic concepts of nutrition, respiration, transport, and excretion in both plants and animals. Understanding these life processes is crucial to comprehend the mechanisms that support the growth and survival of living beings.

NCERT Class 10 Science Chapter Life Process Related Materials

Chapter 7: Control and Coordination

In the previous Class 10 Science chapter, you have learnt about the life process and how molecular movement is necessary to stay alive. But in class 10 science chapter 7 question answer, we make these movement responses to the environment in a controlled manner. All living organisms have a control and coordination system. In multicellular organisms, specialised tissues are used to control and coordinate. Here, you will study this control and coordination system, the nervous system, the human brain, coordination in plants, hormones in animals, etc.

Topics covered in control and coordination class 10 solutions:

Class 10 science chapter 7 "Control and Coordination," explores the mechanisms of control and coordination in both animals and plants. The chapter covers topics such as tropic movements in plants, an introduction to plant hormones, the nervous system in animals, voluntary, involuntary, and reflex actions, and chemical coordination through animal hormones. Understanding these processes is essential to comprehend how organisms regulate their activities and respond to various stimuli in their environment.

NCERT Class 10 Science Chapter Control and Coordination Related Materials

Chapter 8: How do Organisms Reproduce

Reproduction is a biological process by which new individual organisms are born from their parents. It involves creating a new DNA copy and other cellular apparatus. Reproduction is not an essential process for sustaining the life of an individual. Each individual organism exists because of reproduction. It is a fundamental feature of all known life.

In this NCERT Science Class 10 chapter, you will study reproduction, how it takes place, why it is necessary for the living organisms, and what are the different modes of reproduction in single organisms, sexual reproduction in flowering plants, sexual reproduction in human beings, etc. Terms like fission, fragmentation, regeneration, budding, vegetative propagation and spore formation are also explained with examples. By clicking on the above link provided in the table you will get NCERT solutions for Class 10 Science of this chapter.

Topics Covered in Class 10 Science Chapter 8 How do Organisms Reproduce:

Class 10 Science Chapter 8, "How Do Organisms Reproduce," covers the fascinating world of reproduction in animals and plants. The ncert solutions class 10 science chapter number 8 covers both asexual and sexual modes of reproduction in various organisms. Additionally, it discusses the importance of reproductive health, the need for family planning, safe sex practices, and the impact of HIV/AIDS. Furthermore, the ncert class 10 science solutions chapter addresses childbearing and its significance for women's health. Understanding the process of reproduction is crucial for understanding the continuity of life and the diversity of living organisms.

Also Refer,

Chapter 9: Heredity and Evolution

In the previous NCERT Science Class 10 chapter you have learnt that the reproduction process gives a new individual organism that is similar to the parent organism. Here, you will be studying the mechanism by which variations are created and inherited, the long-term consequences of the accumulation of variations, inherited traits, sex determination, acquired and inherited traits, speciation, tracing evolutionary relationship, fossils, stages of evolution, human evolution, etc. Check the NCERT Solutions for Class 10 Science Chapter 9 Heredity and Evolution to prepare well for this chapter.

Topics Covered in Class 10 Science Chapter 9 Heredity and Evolution:

Class 10 Science Chapter 9, "Heredity and Evolution," explores the concepts of heredity and the contributions of Mendel in understanding the inheritance of traits. The chapter covers the laws of inheritance and the fascinating topic of sex determination. However, topics related to evolution, evolution and classification, and equating evolution with progress are excluded from this chapter. Understanding heredity and evolution helps us comprehend how traits are passed from parents to offspring and how species undergo changes over time through natural selection and adaptation.

NCERT Class 10 Science Chapter Heredity and Evolution Related Materials

Chapter 10: Light Reflection and Refraction

We see a variety of objects around us in everyday life. We are able to see objects in the presence of light but we can't see them in the dark. What makes the object visible? When reflected light from an object is received by our eyes we are able to see the object. In this chapter, you will study the phenomena of reflection and refraction of light using the straight-line propagation method. These basic concepts will help you in the study of some of the optical phenomena in nature.

Class 10 Science chapter 10 covers reflection of light by spherical mirrors (concave and convex mirror), the image formed by the concave and convex mirrors, uses of mirrors, refraction of light through rectangle glass slab, refractive index, refraction by spherical lenses, image formation by lenses, lens formula, and power of lenses.

Topics Covered in Class 10 Science Chapter 10 Light Reflection and Refraction:

Class 10 Science Chapter 10, "Light Reflection and Refraction," covers the reflection of light by curved surfaces, such as spherical mirrors, and the formation of images. It also explains the laws of refraction and the concept of refractive index when light passes through different mediums. The chapter further explores the refraction of light by spherical lenses, image formation by lenses, and lens formula, including the concept of magnification and the power of a lens. Understanding these topics is crucial to grasp the behaviour of light and its interactions with different optical elements.

Class 10 Science Chapter Light Reflection and Refraction Related Materials

Chapter 11: Human Eye and Colourful World

In the previous chapter of Class 10 NCERT you have studied about reflection and refraction of light from mirrors and lenses. The human eye has a lens in its structure, it uses light and we are able to see the object. In this chapter, you will learn about human eyes, defects of vision and how to correct them. Also, you will study the refraction of light through a prism, dispersion of white light by a glass prism, some optical phenomena of nature like atmospheric refraction scattering of light, Tynd all effect, the colour of the sky, colour of sunrise and sunset, twinkling of stars, advance sunrise, and delayed sunset.

Students should refer to the NCERT Solutions for Class 10 Science Chapter 11 The Human Eye and The Colorful World to check the questions answers with solutions of this chapter.

Topics Covered in Class 10 Science Chapter 11 Human Eye and Colourful World:

Class 10 Science Chapter 11, "The Human Eye and Colorful World," covers the functioning of the lens in the human eye and the correction of vision defects. It also discusses the applications of spherical mirrors and lenses in various optical devices. The chapter of class 10 science ncert solutions explores the refraction of light through a prism, the dispersion of light, and the scattering of light. Additionally, it includes practical applications of these phenomena in daily life. Understanding these concepts is essential to grasp the working of the human eye and the behaviour of light in different situations.

Class 10 Science Chapter The Human Eye and The Colorful World Related Materials

Chapter 12: Electricity

This is the one of the very important chapter of class 10 science ncert solutions. In our modern society electricity is very important as it is a controllable and convenient form of energy. What constitutes electricity? How does it flow through an electric circuit? How to control and regulate it in an electric circuit? In NCERT Solutions for Class 10 Science, you will get answers to all these questions.

You will also study the electric current and circuit, electric potential and potential difference, circuit diagram, Ohm's law, the resistance of the conductor, the factor on which resistance of the conductor depends, the resistance of the system of the resistor, heating effect of electric current and its applications, electric power. Check the NCERT Solutions for Class 10 Science Chapter 12 Electricity to know more about this chapter.

Topics Covered in Class 10 Science Chapter 12 Electricity:

Class 10 Science Chapter 12, "Electricity," covers essential topics related to electric current, potential difference, and Ohm's law. It explores concepts such as resistance, resistivity, and factors affecting a conductor's resistance. The chapter discusses the series and parallel combinations of resistors and their practical applications. Furthermore, it explains the heating effect of electric current and its daily life applications. Understanding electric power and the interrelation between power, voltage, current, and resistance is also an integral part of this chapter. These concepts are fundamental to comprehend the behaviour and applications of electricity in various devices and circuits.

NCERT Class 10 Science Chapter 12 Electricity Related Materials

Chapter 13: Magnetic Effects of Electric Current

When we put a charge near the current-carrying wire, it doesn't apply any force on the charge but when the charge is moving near the current-carrying wire, the charge is deflected from its path. This means electric current has an effect on a moving charge which is called the magnetic effect of current.

In this Class 10 Science chapter, you will study about the magnetic field and field lines, magnetic field due to current-carrying conductor, solenoid, the force on current-carrying conductor due to the magnetic field, electric motor, electro-magnetic induction, electric generator, and domestic electric circuit. Also in this chapter of class 10 science ncert solutions, you will learn important topics like Fleming's right-hand rule and left-hand rule.

Topics Covered in Class 10 Science Chapter 13 Magnetic Effects of Electric Current:

Class 10 Science Chapter 13, "Magnetic Effects of Electric Current," focuses on the magnetic effects produced by electric currents. It covers various topics such as magnetic fields, field lines, and the magnetic field generated by a current-carrying conductor or coil. This chapter of class 10 science ncert solutions explains the force experienced by a current-carrying conductor in a magnetic field and introduces Fleming's Left Hand Rule to determine the direction of this force. Additionally, it discusses direct current (DC) and alternating current (AC), providing an understanding of the frequency of AC and the advantages of AC over DC in electrical systems. Domestic electric circuits and their applications are also explored in this chapter. Understanding the magnetic effects of electric current is crucial in various technological applications and electrical devices.

NCERT Class 10 Science Chapter 13 Magnetic Effects of Electric Current Related Materials

Chapter 14: Sources of Energy

In previous classes, we have learned that energy neither can be created nor destroyed. It can be converted from one form to another. This class 10 science ncert solutions chapter will tell you about the different sources of energy like conventional and non-conventional.

Fossil fuels, thermal power plants, hydropower plants, Bio-mass, and wind energy are examples of conventional sources of energy. Solar energy, tidal energy, wave energy, ocean thermal energy, geothermal energy, and nuclear energy are examples of non-conventional sources of energy. You will also get to know the environmental consequences of energy. Students can also check the NCERT Solutions for class 10th science to check the complete solutions to the questions asked in this chapter.

NCERT Class 10 Science Chapter 14 Sources of Energy Related Materials

Chapter 15: Our Environment

The change in the environment affects us; our activity changes the environment around us, as we are an integral part of the environment. This has two parts: the ecosystem and its components, like food chains and webs and how our activity affects the environment. In this chapter, you will also learn about the ozone layer and how it is getting depleted. Managing the garbage that we produce, how we impact the environment are other topics we will learn here.

Topics Covered in Class 10 Science Chapter 15 Our Environment:

Class 10 science NCERT solutions Chapter 15, "Our Environment," covers the study of the ecosystem and environmental issues. It covers topics related to the ecosystem, including understanding its components and interactions. The chapter addresses environmental problems, including ozone depletion and waste production, and explores potential solutions to mitigate these issues. Students will learn about the concept of biodegradable and non-biodegradable substances and their impact on the environment. Understanding our environment and the challenges it faces is crucial for developing sustainable practices and preserving the planet for future generations.

Class 10 Science Chapter 15 Related Materials

Chapter 16: Sustainable Management of Natural Resources

You must have heard the famous phrase in Sanskrit ‘Vasudhaiv kutumbakam’ which means “the entire earth is one family”. The phrase is found in ‘Maha Upanishad’, an ancient Indian text in Atharva Veda. Living in harmony with nature is in our culture, tradition, and philosophy.

In CBSE NCERT class 9 science, you have learned about natural resources like soil, air, and water, while in the previous chapter, you learned about these resources that have been polluted. In t his chapter, you will learn how you ought to use these natural resources and sustain them for our future. Natural resources like forests, wildlife, water, coal, and petroleum and other issues at stake in deciding the management of these resources through sustainable development will also be taught here.

Class 10 Science Chapter 16 Related Materials

Other NCERT Resources for Class 10 Science

Other study materials, such as the NCERT Class 10 Science Notes, NCERT Class 10 Science Exemplar, the NCERT Class 10 Science textbook, and the NCERT Class 10 Science Syllabus, should be used by Class 10 students in addition to the NCERT Class 10 Science Solutions. Additionally, created in accordance with the CBSE Class 10 science syllabus, these study materials aid students in getting ready for board exams. The following are additional NCERT resources for Class 10 Science:

Key Features of NCERT Class 10 Science Solutions

NCERT Science Solutions Class 10 is the best resource for students because a wide range of solutions to all the NCERT questions in the syllabus are covered. It provides comprehensive answers for the three facets of science—physics, chemistry, and biology. Students can quickly resolve their questions with the assistance of the solutions. These solutions were created in accordance with the NCERT curriculum to aid students in getting ready for the Class 10 board exam. The key features of NCERT Solutions of Class 10 Science are mentioned below:

  • The solutions provided in the 10th science guide are written in simple terms to prevent students from becoming confused when referring to them.
  • The answers to NCERT science book class 10 are explained elaborately for all the exercise questions mentioned in each chapter.
  • These NCERT science class 10 solutions will help students solve the sample papers as well as the previous year's question papers.
  • class 10 science answer key boosts the student’s confidence level and also helps them work on their weak points.
  • All the answers are explained with proper diagrams related to the question in the solution of the NCERT Science Class 10 PDF.
  • Solutions given for NCERT 10 science book are Readily available and easily accessible
  • The NCERT class 10 science solution PDF is in easy-to-download PDF form.

Tips to Prepare for CBSE Class 10 Science Exam

  • Understand the Syllabus: Familiarise yourself with the Class 10 Science syllabus and exam pattern. This will help you prioritise topics and allocate study time accordingly.
  • Organise Study Material: Gather all relevant study material, including NCERT textbooks, reference books, and NCERT solutions for class 10th science. Organise your notes and keep them handy for quick revision.
  • Create a Study Schedule: Plan a study schedule that includes regular study hours for each subject. Allocate specific time slots for Science topics and stick to the schedule.
  • Conceptual Understanding: Focus on building a strong conceptual understanding of topics. Don't just memorise facts; try to understand the underlying principles and applications.
  • Practice with NCERT Solutions: Solve NCERT Science textbook questions and refer to science class 10 solutions to check your answers and understand problem-solving techniques.
  • Engage in Practical Learning: Science involves practical applications. Conduct experiments, observe phenomena, and perform hands-on activities to reinforce concepts.
  • Use Visual Aids: Utilise diagrams, flowcharts, and concept maps to understand complex processes and relationships between topics.
  • Revise Regularly: Regular revision is crucial for better retention. Set aside time for periodic revision of previously covered topics.
  • Solve Sample Papers: Practice CBSE Class 10 Science sample papers and previous year's question papers to get familiar with the exam pattern and improve time management.
  • Seek Help When Needed: If you encounter difficulties in understanding certain topics, don't hesitate to seek help from teachers, classmates, or online resources like educational forums or tutor platforms. You can use our chapter-wise notes as 10th science guide.
  • Stay Healthy: Take care of your health, get enough sleep, and maintain a balanced diet to stay focused and energised during your study sessions.

Also Check NCERT Books and NCERT Syllabus here:

NCERT Solutions- Class Wise

Frequently Asked Question (FAQs)

1. Which chapters are coming under the Physics part of NCERT Class 10 Science book?

Light Reflection and Refraction, The Human Eye and The Colorful World, Electricity, Magnetic Effects of Electric Current are the chapters coming under Physics part of Class 10 NCERT syllabus.

2. What are the chapters coming under Chemistry part of NCERT Class 10 Science book?

Chemical Reactions and Equations,  Acids Bases and Salts, Metals and Non-metals, Carbon and Its Compounds and  Periodic Classification of Elements comes under Chemistry part of Class 10 NCERT science book. Students can also get practice questions from NCERT Exemplar for Class 10 Science.

3. Whether the NCERT for class 10 are helpful in higher studies?

Yes, the NCERT class 10 Science chapters are helpful in Class 11 and 12 Science stream. As Class 11 and 12 discuss Class 10 topics in detail with lot of other topics.

4. Which chapters from Biology and Environmental Science are included in NCERT Solutions for Class 10 Science

The following Biology chapters are given in the NCERT Solutions for Class 10 Science

  • Life Processes
  • Control and Coordination
  • How do Organisms Reproduce
  • Heredity and Evolution

The following chapters are catogarized under Environmental Science

  •  Sources of Energy
  • Our Environment
  • Sustainable Management of Natural Resources
5. What is the importance of Class 10 Science NCERT solutions

The NCERT Solutions For Class 10 Science contains the answers to the exercise questions of NCERT Class 10 Science book. Preparing using NCERT book is crucial for the CBSE board exam. So to get high score in the CBSE board exam Class 10 Science NCERT solutions are helpful.  

6. How many units and chapters are there in the Class 10 Science NCERT Books?

There are 16 chapters in the NCERT Solutions for Class 10 Science, which are divided into 5 units according to the latest Class 10 Science syllabus.

Unit I – Chemical Substances – Nature & Behaviour (5 chapters)

Unit II – World of Living (4 chapters)

Unit III – Natural Phenomenon (2 chapters)

Unit IV – Effects of Current (2 chapters)

Unit V – Natural Resources (3 chapters).

So, download the Science NCERT class 10 solutions of your choice for free. 

7. Where can I get NCERT Solutions for Class 10th Science (Physics, Chemistry & Biology) for free?

Careers360 offers students the chance to overcome their nightmares with NCERT Books Solutions for all science subjects like Physics, Chemistry & Biology for class 10. You can get them online at our website or by using the quick links on our page.

8. What is the best part of using NCERT solutions for class 10 science?

NCERT Solutions for Science offer you a variety of advantages, such as significant questions, completed and uncompleted exercises for each concept, MCQ questions for class 10 board exams, one-word answers, assertions, repetitive questions, previous papers, and many others that aid students in performing well on the preboard and board exams.

9. Which are the important chapters in the NCERT Solutions for Class 10 Science?

NCERT Solutions for Class 10 Science contain about 16 chapters, all of which are equally crucial. This means that skipping any of them would result in a lower score on the board exams. Students can consult free online study materials or ask their teachers for clarification if they have any questions. Based on the CBSE exam pattern, students can refer to the solutions to better understand the chapters.

10. how do organisms reproduce class 10 solutions

Organisms reproduce through asexual or sexual reproduction. Asexual reproduction involves producing offspring without gametes, while sexual reproduction involves the fusion of specialized sex cells from two parents, leading to genetic variation.


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Get answers from students and experts

A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg


An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)


Option 2)

\; K\;

Option 3)


Option 4)


In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)


Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)


Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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