NCERT Exemplar Solutions for Class 8 Science


Chapter-wise NCERT Exemplar Class 8 Science Solutions for Concept Clarity

 

About NCERT Exemplar Solutions for Class 8 Science

NCERT Exemplar Solutions for Class 8 Science are designed to strengthen students’ conceptual knowledge and problem-solving skills beyond the standard NCERT textbook. While the textbook introduces the basics of science topics, the Exemplar book provides advanced, application-based questions that encourage logical reasoning, analytical ability, and curiosity. These solutions act as a valuable resource for students preparing not only for school exams but also for competitive exams like Olympiads and NTSE.

The Exemplar covers all chapters of Class 8 Science, including Crop Production, Microorganisms, Synthetic Materials, Metals and Non-Metals, Coal and Petroleum, Combustion, Conservation of Plants and Animals, Cell Structure, Reproduction, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Light, Stars and the Solar System, and Pollution of Air and Water. Each solution is explained in a clear, step-by-step manner to help students understand concepts thoroughly and apply them in real-life contexts. One of the key benefits of practicing Exemplar solutions is that they go beyond memory-based learning. The questions are framed in different formats—MCQs, short answers, and long answers types—which expose students to varied exam patterns. By solving them, learners not only prepare for their school-level assessments but also develop higher-order thinking skills that are essential for higher classes. Regular practice with NCERT Exemplar Solutions improves accuracy, builds confidence, and enhances scientific reasoning. It also develops a habit of questioning and exploring, which makes science an engaging subject rather than just theory. In short, NCERT Exemplar Solutions for Class 8 Science provide a complete learning package for students who wish to excel academically and build a strong base for future studies. They are the perfect companion to the NCERT textbook for mastering concepts and excelling in exams.

Chapter-wise NCERT Exemplar Solutions for Class 8 Science free PDF

chapter-wise description for all chapters of NCERT Exemplar Solutions for Class 8 Science

Chapter 1: Crop Production and Management
This chapter explains how crops are grown and managed for better yield. It covers agricultural practices like ploughing, sowing, irrigation, fertilization, and harvesting. Students learn about modern farming techniques and sustainable practices to increase productivity and maintain soil health.

Chapter 2: Microorganisms: Friend and Foe
Students explore various microorganisms, their beneficial uses in food, medicine, and industry, and harmful effects causing diseases. The chapter emphasizes hygiene, antibiotics, and the role of microbes in the environment.

Chapter 3: Synthetic Fibres and Plastics
This chapter introduces synthetic fibers, types of plastics, and their uses. It explains how synthetic materials are manufactured, their advantages, disadvantages, and the importance of reducing plastic pollution through recycling and sustainable alternatives.

Chapter 4: Materials: Metals and Non-Metals
The chapter describes properties, uses, and reactions of metals and non-metals. It explains conductivity, malleability, corrosion, and methods to prevent it, helping students understand practical applications in daily life and industries.

Chapter 5: Coal and Petroleum
Students learn about fossil fuels, their formation, types, extraction, and uses. The chapter highlights environmental impacts, alternative fuels, and the importance of conserving non-renewable energy resources.

Chapter 6: Combustion and Flame
This chapter explores combustion, types of flames, and their structure. It explains fire safety, methods of extinguishing fire, and the chemical reactions involved in burning substances.

Chapter 7: Conservation of Plants and Animals
Students study the importance of biodiversity, endangered species, and conservation methods. The chapter covers wildlife protection, national parks, sanctuaries, and sustainable measures to protect ecosystems.

Chapter 8: Cell — Structure and Functions
This chapter introduces the cell as the basic unit of life. It explains the structure and function of cell components, differences between plant and animal cells, and the importance of cells in growth and reproduction.

Chapter 9: Reproduction in Animals
Students learn about asexual and sexual reproduction, reproductive organs, and developmental stages in animals. The chapter emphasizes the diversity of reproductive strategies and their significance in species survival.

Chapter 10: Reaching the Age of Adolescence
This chapter discusses physical and emotional changes during adolescence. It highlights the role of hormones, puberty, personal hygiene, and the importance of understanding bodily and mental changes.

Chapter 11: Force and Pressure
Students explore forces, types of forces, and their effects on objects. The chapter explains pressure, its calculation, and applications in daily life, including hydraulics and atmospheric pressure.

Chapter 12: Friction
The chapter describes the causes, types, and effects of friction. Students learn methods to increase or reduce friction depending on the situation and its importance in daily activities and transportation.

Chapter 13: Sound
This chapter introduces sound, its production, propagation, and properties. It explains pitch, loudness, reflection of sound, echoes, and applications like sonar and musical instruments.

Chapter 14: Chemical Effects of Electric Current
Students study how electric current causes chemical changes. The chapter covers electroplating, corrosion prevention, and safety measures while using electricity in homes and industries.

Chapter 15: Some Natural Phenomena
The chapter explains natural events like lightning, earthquakes, and their effects. It also discusses safety measures and the scientific principles behind these phenomena.

Chapter 16: Light
Students learn about reflection, refraction, lenses, and the behavior of light. The chapter also explains human eye structure, defects of vision, and corrective measures.

Chapter 17: Stars and the Solar System
This chapter explores stars, planets, moons, asteroids, and comets. Students understand the structure of the solar system, planetary motion, and concepts like rotation and revolution.

Chapter 18: Pollution of Air and Water
The chapter highlights causes and effects of air and water pollution. It explains control measures, environmental awareness, and the importance of clean air, water, and sustainable living.

Frequently Asked Questions

 

NCERT Exemplar for Class 8 Science is a practice book designed to provide higher-level and application-based questions beyond the standard NCERT textbook. While the textbook builds the foundation, the Exemplar challenges students with tricky, conceptual, and real-life application problems. It covers all important topics like Crop Production, Microorganisms, Metals and Non-Metals, Force, Friction, Sound, Light, and Pollution, ensuring students develop deeper understanding. Its importance lies in preparing students not just for school exams but also for competitive exams like Olympiads, NTSE, and scholarship tests. The Exemplar develops logical reasoning, scientific temper, and problem-solving skills. By practicing these questions, students move beyond rote learning and learn how to apply concepts in different situations. This makes science engaging and practical, while building a strong base for higher classes. Hence, NCERT Exemplar is essential for every Class 8 student who aims to excel in both academics and competitions.

NCERT Exemplar Solutions for Class 8 Science are highly useful in exam preparation because they provide step-by-step explanations for all types of questions. School exams often include tricky or application-based questions, and Exemplar practice ensures students are well-prepared to handle them. These solutions cover MCQs, short answer, and long answer type questions, making students familiar with different exam formats. By solving them, learners not only revise concepts but also build accuracy and time management skills. The solutions are explained in simple language, so even difficult topics like Chemical Effects of Electric Current, Light, or Conservation of Plants and Animals become easier to understand. Moreover, since many exam papers include Exemplar-style questions, practicing them gives students an edge. Regular use of Exemplar Solutions helps students boost confidence, avoid careless mistakes, and score higher in exams by ensuring both conceptual clarity and strong problem-solving ability.

Yes, NCERT Exemplar Solutions are very helpful for Olympiads and NTSE because these exams focus on conceptual clarity, analytical ability, and application-based learning. The Exemplar book is designed with higher-order thinking skills (HOTS) in mind, so it includes tricky and challenging problems that push students to think beyond simple definitions. For example, questions on Force, Friction, Sound, or Light are framed in a way that requires applying knowledge rather than memorizing facts. This approach is exactly what Olympiads and NTSE demand. While Exemplar alone may not cover the full syllabus of such competitive exams, it acts as a strong foundation builder. Students who regularly practice Exemplar questions find it easier to attempt advanced-level Olympiad problems. To maximize results, Exemplar should be combined with mock tests and Olympiad practice books. In short, NCERT Exemplar is a stepping stone to success in higher-level competitive exams.

The NCERT textbook for Class 8 Science focuses on introducing basic concepts in a simple and easy-to-understand manner. It contains examples, activities, and straightforward questions that help students build their foundation. On the other hand, the NCERT Exemplar book goes beyond basics and includes application-based, logical reasoning, and HOTS (Higher Order Thinking Skills) questions. These are more complex, tricky, and exam-oriented. While the textbook ensures conceptual clarity, the Exemplar ensures students can apply those concepts in problem-solving and real-life situations. For example, in topics like Friction or Sound, the textbook provides theory, but the Exemplar challenges students with practical problems that require deeper thinking. Thus, both resources are complementary—the textbook is necessary for understanding, while the Exemplar is crucial for practice and advanced learning. Together, they prepare students thoroughly for school exams and competitive tests, ensuring both clarity and confidence in Science.

To use NCERT Exemplar Solutions effectively, students should follow a stepwise approach. First, they must read and understand the NCERT textbook thoroughly, as it provides the basic foundation. Once comfortable with the concepts, they can begin solving Exemplar questions chapter by chapter. It’s important to attempt the problems independently first, without looking at the solutions, to build confidence. After that, they can use the Exemplar Solutions to check their answers and understand the correct method of solving. Mistakes should be noted carefully, and similar problems should be practiced again to avoid repetition. Regular practice is the key—solving a few questions daily can significantly improve accuracy and problem-solving speed. Exemplar Solutions should also be used as a revision tool before exams, as they cover tricky and frequently asked patterns. With consistent practice, students can make Science not just easier but also more interesting and application-oriented.