NCERT Solutions for Class 10 Science

Chapterwise NCERT Solutions for Class 10 Science

Chapter 1: Chemical Reactions and Equations

This chapter introduces the concept of chemical reactions, their types, and how to balance chemical equations. It explains combination, decomposition, displacement, and redox reactions with real-life examples. Special emphasis is given to corrosion and rancidity, which have practical applications in daily life.

Chapter 2: Acids, Bases, and Salts

This chapter covers the properties of acids, bases, and their reactions with metals, non-metals, and salts. Important topics include the pH scale, indicators, neutralization reactions, and the importance of salts in daily life, such as baking soda and washing soda.

Chapter 3: Metals and Non-Metals

This chapter explains the physical and chemical properties of metals and non-metals, including metallurgy, corrosion, and the reactivity series. The concepts of ionic bonds and their formation are also covered.

Chapter 4: Carbon and Its Compounds

Students learn about the versatile nature of carbon, covalent bonding, hydrocarbons, functional groups, and important compounds like ethanol and ethanoic acid. It also introduces soap and detergent formation.

Chapter 5: Periodic Classification of Elements

This chapter explains Mendeleev’s periodic table, the modern periodic table, and the trends in valency, atomic size, and electronegativity. It helps students understand element classification.

Chapter 6: Life Processes

It covers nutrition, respiration, transportation, and excretion in humans and plants, explaining how organisms sustain life through biological processes.

Chapter 7: Control and Coordination

This chapter discusses the nervous and endocrine systems in humans and plants, including reflex actions, hormones, and plant movements.

Chapter 8: How Do Organisms Reproduce?

Explains modes of reproduction in animals and plants, including asexual and sexual reproduction, the human reproductive system, and contraceptive methods.

Chapter 9: Heredity and Evolution

Discusses genetic inheritance, Mendel’s laws, natural selection, and human evolution, forming the basis of modern genetics.

Chapter 10: Light – Reflection and Refraction

Explains the laws of reflection and refraction, mirror and lens formulas, and their applications in optics.

Chapter 11: Human Eye and the Colourful World

Covers the working of the human eye, defects of vision, dispersion, and atmospheric refraction, explaining real-world optical phenomena.

Chapter 12: Electricity

Teaches Ohm’s law, resistance, current, voltage, and electric power, essential for electrical circuits and applications.

Chapter 13: Magnetic Effects of Electric Current

Explains magnetic fields, electromagnetic induction, and applications of electromagnets in generators and motors.

Chapter 14: Sources of Energy

Discusses renewable and non-renewable energy sources, their advantages, and environmental impacts.

Chapter 15: Our Environment

Explores ecosystems, food chains, pollution, and waste management, highlighting human impact on the environment.

Chapter 16: Sustainable Management of Natural Resources

Focuses on conservation of forests, wildlife, water resources, and sustainable development.

How NCERT Solutions for Class 10 Science Can Help Students Score Good Marks in Board Exams

Scoring high in Class 10 Science is crucial for students aiming for higher studies in Science, Engineering, or Medical fields. The NCERT Solutions for Class 10 Science serve as the ultimate guide to mastering concepts and performing well in CBSE board exams. Here’s how these solutions help students achieve excellent marks:

1. Comprehensive Explanation of All Topics

The NCERT Science syllabus includes Physics, Chemistry, and Biology, covering fundamental topics like Electricity, Chemical Reactions, Heredity, and Evolution. NCERT Solutions provide step-by-step explanations of every concept, ensuring clarity and better understanding.

2. Chapter-wise NCERT Solutions for Effective Learning

Each chapter has exercise questions, solved examples, and HOTS (Higher-Order Thinking Skills) questions. Practicing chapter-wise NCERT Solutions improves problem-solving skills and conceptual clarity.

3. Important Questions & Board Exam Relevance

CBSE board exams frequently include direct questions from NCERT textbooks. These solutions focus on important board exam questions, previous year papers, and NCERT exemplar problems, making revision efficient.

4. Strong Foundation for Competitive Exams

NCERT solutions not only help in board exams but also build a strong base for JEE, NEET, NTSE, and Olympiads. Students preparing for these exams benefit from well-structured, exam-oriented answers.

5. Effective Time Management & Smart Revision

By following NCERT solutions, students can prioritize important topics, manage time efficiently, and revise effectively before the exam.

By consistently using NCERT Solutions for Class 10 Science, students can boost confidence, reduce exam stress, and maximize their board exam scores! 

The Right Approach to Use NCERT Solutions for Class 10 Science

NCERT Solutions for Class 10 Science are essential for CBSE board exam preparation, competitive exams like NTSE, Olympiads, and even JEE/NEET foundations. However, simply reading these solutions is not enough. To maximize learning and score high marks, students need to follow a structured approach.

1. Understand the Syllabus & Exam Pattern

• Familiarize yourself with the CBSE Class 10 Science syllabus to know the important chapters.

• Identify the weightage of different topics to plan studies effectively.

• Focus on Physics, Chemistry, and Biology concepts equally.

2. Read the NCERT Textbook First

• Before jumping to solutions, read the textbook carefully to understand the concepts.

• Highlight important definitions, formulas, and key explanations.

• Try solving in-text and exercise questions on your own before referring to solutions.

3. Use NCERT Solutions for Self-Assessment

• After attempting questions, compare your answers with NCERT Solutions to identify mistakes.

• Learn step-by-step explanations for numerical and conceptual problems.

• Revise complex topics using solved examples from NCERT Solutions.

4. Make Short Notes for Quick Revision

• Write down important formulas, reactions, and key points in a separate notebook.

• Create flowcharts for Biology, reaction maps for Chemistry, and formula sheets for Physics.

• Use these notes for last-minute revision before exams.

5. Solve Previous Year Papers & Sample Questions

• After completing NCERT Solutions, practice CBSE previous year question papers.

• Solve NCERT Exemplar problems for additional practice.

• Take timed mock tests to improve speed and accuracy.

6. Focus on Diagrams, Graphs & Practical Applications

• Draw and practice labeled diagrams (e.g., human eye, circuits, carbon cycle).

• Understand practical applications of Physics (light, electricity), Chemistry (chemical reactions), and Biology (life processes).

7. Clear Doubts & Seek Help When Needed

• If you find any topic challenging, revisit NCERT Solutions and textbook explanations.

• Discuss difficult questions with teachers, tutors, or peers.

• Use online platforms like Home-Tution.com for additional guidance.

8. Revise Regularly & Maintain Consistency

• Revise each chapter at least twice before exams.

• Attempt chapter-wise tests to track progress.

• Follow a study schedule and avoid last-minute cramming.

CBSE Class 10 Science Chapter-wise Mark Distribution

Understanding the chapter-wise mark distribution for CBSE Class 10 Science is crucial for effective exam preparation. While the Central Board of Secondary Education (CBSE) does not officially release detailed chapter-wise weightage, insights can be drawn from analyzing previous years' question papers and sample papers. Below is an approximate breakdown based on such analyses:

1. Chemical Substances – Nature and Behaviour

• Chapters Covered:

  • Chemical Reactions and Equations

  • Acids, Bases, and Salts

  • Metals and Non-Metals

  • Carbon and Its Compounds

  • Periodic Classification of Elements

• Approximate Weightage: 25-30 Marks

2. World of Living

• Chapters Covered:

  • Life Processes

  • Control and Coordination

  • How Do Organisms Reproduce?

  • Heredity and Evolution

• Approximate Weightage: 20-25 Marks

3. Natural Phenomena

• Chapters Covered:

  • Light – Reflection and Refraction

  • The Human Eye and the Colourful World

• Approximate Weightage: 12-15 Marks

4. Effects of Current

• Chapters Covered:

  • Electricity

  • Magnetic Effects of Electric Current

• Approximate Weightage: 13-15 Marks

5. Natural Resources

• Chapters Covered:

  • Sources of Energy

  • Our Environment

  • Sustainable Management of Natural Resources

• Approximate Weightage: 7-10 Marks

Key Points to Consider:

• Focus on High-Weightage Units: Prioritize studying units like Chemical Substances – Nature and Behaviour and World of Living, as they collectively contribute significantly to the total marks.

• Understanding Concepts: Emphasize a deep understanding of concepts rather than rote memorization, especially in topics like Electricity and Light.

• Application-Based Learning: Practice application-based and analytical questions, particularly from chapters like Carbon and Its Compounds and Heredity and Evolution.

• Regular Revision: Allocate time for regular revision of all chapters, with more focus on high-weightage areas.

• Stay Updated: Always refer to the latest CBSE syllabus and sample papers for any updates or changes in the exam pattern or weightage.

Note: The above distribution is an approximation and may vary in actual examinations. It's essential to cover the entire syllabus comprehensively.

By aligning your study plan with this weightage, you can optimize your preparation and enhance your performance in the CBSE Class 10 Science examination.