Chapter-wise description on the NCERT Exemplar for Class 7 Science Solutions
Chapter 1: Nutrition in Plants
This chapter introduces how plants prepare food through photosynthesis and explains modes of nutrition like autotrophic and heterotrophic. NCERT Exemplar questions in this chapter help students understand the role of chlorophyll, sunlight, and carbon dioxide in food production. The solutions simplify complex concepts such as symbiotic relationships in plants (e.g., lichens) and parasitic plants like Cuscuta. By practicing exemplar problems, learners can strengthen their knowledge of plant nutrition and apply it in real-life contexts, such as why leaves are green or how desert plants survive. These solutions are very useful for revising scientific terms and diagrams, ensuring students gain conceptual clarity for both school exams and Olympiads.
Chapter 2: Nutrition in Animals
This chapter focuses on the human digestive system and nutrition in animals. Students learn about processes like ingestion, digestion, absorption, and assimilation. The exemplar questions cover topics like the function of saliva, digestion in ruminants, and how villi help in nutrient absorption. The NCERT Exemplar solutions guide students with step-by-step answers, making it easier to grasp biological processes. They also include application-based problems, such as explaining why chewing food properly is important. With these solutions, learners can develop a clear understanding of how different animals adapt to their food habits and how digestion occurs in humans. Practicing these questions helps students answer diagram-based and reasoning-type questions with confidence in exams.
Chapter 3: Fibre to Fabric
This chapter explains how wool and silk are obtained, processed, and converted into fabrics. Exemplar questions in this chapter highlight important processes like shearing, scouring, sorting, reeling, and weaving. The solutions help clarify the differences between natural and synthetic fibres and emphasize the importance of animal rearing. Students also learn about the life cycle of the silkworm and the ethical concerns related to silk production. NCERT Exemplar solutions simplify tricky questions on processes and give step-by-step reasoning, ensuring that learners can relate theoretical concepts to real-world applications. By solving these problems, students can better prepare for exams and gain deeper insights into the science behind textile production.
Chapter 4: Heat
This chapter introduces concepts of temperature, measurement, transfer of heat, and the difference between conductors and insulators. Exemplar problems test understanding of how heat travels by conduction, convection, and radiation. The solutions explain why certain materials feel hot or cold, why black clothes are worn in winter, or how land and sea breezes occur. NCERT Exemplar solutions provide clarity on thermometer readings and precautions while measuring temperature. Practicing these questions enhances logical reasoning and helps students apply scientific principles in everyday life. The well-explained answers ensure a solid understanding of heat transfer, making exam preparation easier and more effective.
Chapter 5: Acids, Bases and Salts
This chapter explains the properties of acids, bases, and salts, and how they react with different substances. The exemplar questions cover real-life applications such as how litmus paper works, neutralization reactions, and the role of indicators like turmeric and phenolphthalein. The solutions simplify tricky concepts such as the effects of antacids in the stomach or how soil treatment is done using lime. These NCERT Exemplar solutions not only strengthen theoretical understanding but also enhance application-based learning. Students also get exposure to HOTS (Higher Order Thinking Skills) questions, which prepare them for exams and practical applications in daily life.
Chapter 6: Physical and Chemical Changes
This chapter explains the difference between physical and chemical changes with real-life examples like rusting of iron, crystallization, and burning of substances. NCERT Exemplar questions test students’ ability to differentiate between reversible and irreversible changes. The solutions provide clear reasoning for why rust forms, how crystals are obtained, and why chemical changes produce new substances. They also cover activities that show the effects of heat, pressure, and chemical reactions. By practicing these exemplar problems, students develop analytical skills and learn to connect science with daily life, such as the use of galvanization to prevent rusting. The solutions ensure that students can answer application-based questions effectively, strengthening their exam preparation.
Chapter 7: Weather, Climate and Adaptations of Animals to Climate
This chapter introduces the concepts of weather and climate and explains how animals adapt to different environments. Exemplar problems focus on climatic factors like temperature, rainfall, humidity, and wind speed. The solutions explain adaptations of animals such as penguins in polar regions and camels in deserts. NCERT Exemplar solutions help students compare weather and climate, understand the impact of global warming, and analyze human influence on ecosystems. They also prepare students for reasoning questions like why polar bears have thick fur or why desert animals store water. Practicing these solutions ensures a strong grasp of environmental science and helps students answer diagram-based questions effectively.
Chapter 8: Winds, Storms and Cyclones
This chapter highlights the role of air pressure, wind, and natural calamities like storms and cyclones. Exemplar questions test understanding of why winds blow, how pressure differences cause cyclones, and the role of disaster preparedness. The solutions simplify the concepts of low and high pressure, the effect of uneven heating of the Earth, and safety measures during cyclones. NCERT Exemplar solutions also connect science with practical applications, such as why roofs of huts blow away in storms. By solving these problems, students learn to relate theory with real-life experiences and understand precautionary measures in natural disasters. These solutions strengthen conceptual clarity and logical reasoning.
Chapter 9: Soil
This chapter explains different types of soil, their properties, and their role in agriculture. Exemplar questions cover topics such as soil profile, percolation rate, and water retention capacity. The solutions provide clear explanations about soil horizons, soil fertility, and the importance of humus. NCERT Exemplar solutions also guide students in answering experiment-based questions, such as how soil supports plant growth or why sandy soil drains faster than clayey soil. By practicing these questions, learners develop a strong understanding of soil conservation and management. The step-by-step answers help students apply scientific knowledge to practical fields like farming and environmental protection.
Chapter 10: Respiration in Organisms
This chapter covers breathing and respiration in animals and humans. Exemplar questions focus on differences between aerobic and anaerobic respiration, the role of oxygen, and the mechanism of breathing. The solutions simplify processes like inhalation, exhalation, and cellular respiration. Students also learn why humans need a respiratory system and how organisms like earthworms and fish breathe differently. NCERT Exemplar solutions also include reasoning-based problems, such as why vigorous exercise causes faster breathing or why yeast is used in baking. Practicing these questions builds strong conceptual clarity, helping students in both exams and real-life applications like understanding how energy is released in cells.
Chapter 11: Transportation in Animals and Plants
This chapter explains how essential substances like food, water, and oxygen are transported in plants and animals. Exemplar questions focus on blood circulation, the function of the heart, blood vessels, and xylem and phloem in plants. The solutions explain processes like transpiration, excretion, and pulse rate in a simple way. Students also learn the role of red blood cells, white blood cells, and platelets in the human body. NCERT Exemplar solutions make it easier to answer application-based questions, such as why the heart is called a pumping organ or how plants lose water through stomata. By solving these problems, learners gain a deeper understanding of biological processes, which helps in exams and enhances practical knowledge of how living organisms sustain life.
Chapter 12: Reproduction in Plants
This chapter deals with different methods of plant reproduction, such as sexual and asexual reproduction. Exemplar problems cover topics like vegetative propagation, pollination, fertilization, and seed dispersal. The solutions clearly explain concepts like cross-pollination, self-pollination, and the role of agents like wind, water, and insects in pollination. Students also understand how new plants grow from stems, roots, and leaves in certain species. NCERT Exemplar solutions strengthen the grasp of real-life examples, such as why farmers prefer grafting and how seed dispersal benefits plants. Practicing these problems helps students develop a clear understanding of plant life cycles, preparing them well for reasoning and diagram-based exam questions.
Chapter 13: Motion and Time
This chapter introduces basic concepts of motion, speed, and measurement of time. Exemplar questions focus on calculating speed, plotting distance-time graphs, and understanding uniform and non-uniform motion. The solutions explain real-life examples like why a car accelerates differently or how to measure the time taken by a pendulum. NCERT Exemplar solutions provide detailed reasoning for mathematical problems, ensuring accuracy in calculations. By solving these questions, students learn the relationship between distance, speed, and time, which forms the foundation for higher classes in physics. The clear explanations also help learners answer HOTS (Higher Order Thinking Skills) questions and apply the concepts in practical situations.
Chapter 14: Electric Current and Its Effects
This chapter explains the flow of electricity, circuit diagrams, heating effects, and magnetic effects of electric current. Exemplar questions cover applications like the working of an electric bulb, fuse, and electromagnet. The solutions guide students in solving circuit-based problems and understanding symbols used in electric circuits. NCERT Exemplar solutions also explain why electric wires are coated with plastic and how current produces magnetism. By practicing these problems, learners gain confidence in dealing with application-based questions, such as why a fuse is necessary for household safety. These solutions ensure strong conceptual knowledge of electricity, making it easier to answer both theoretical and practical exam questions.
Chapter 15: Light
This chapter focuses on properties of light, reflection, and shadows. Exemplar questions cover topics like the laws of reflection, images formed by plane mirrors, and how multiple reflections occur. The solutions provide step-by-step explanations of ray diagrams and real-life applications, such as how periscopes and kaleidoscopes work. NCERT Exemplar solutions also help students understand the difference between real and virtual images and why we see objects in mirrors. Practicing these questions builds problem-solving skills and prepares students to handle diagram-based questions effectively. These solutions ensure clarity in fundamental physics concepts that are essential for higher classes.
Chapter 16: Water – A Precious Resource
This chapter highlights the importance of water conservation and management. Exemplar questions focus on groundwater depletion, rainwater harvesting, and the water cycle. The solutions simplify concepts such as how water becomes scarce, why overuse of groundwater is harmful, and methods to conserve water. NCERT Exemplar solutions also include reasoning-based answers, like why we should check leaking taps or how deforestation affects rainfall. By solving these questions, students develop environmental awareness and learn the scientific basis for conserving resources. These solutions prepare students for exams as well as real-life application of water management practices.
Chapter 17: Forests – Our Lifeline
This chapter explains the interdependence of plants, animals, and microorganisms in a forest ecosystem. Exemplar problems highlight the role of forests in rainfall, oxygen balance, and soil conservation. The solutions explain how forests act as carbon sinks, regulate the climate, and provide raw materials. NCERT Exemplar solutions also answer reasoning-based questions like what happens if forests disappear or why forests are called the “lungs of the Earth.” By practicing these questions, students learn to appreciate biodiversity and the importance of conservation. These solutions not only strengthen exam preparation but also build awareness about protecting the environment.
Chapter 18: Wastewater Story
The final chapter explains wastewater treatment and the importance of sanitation. Exemplar questions cover the process of sewage treatment, the role of bacteria, and the impact of untreated waste on health and the environment. The solutions provide simple explanations of filtration, sedimentation, and chlorination. NCERT Exemplar solutions also guide students in understanding how individuals can reduce water pollution by proper disposal of waste. Real-life application-based questions, like why open drains are harmful, are also explained clearly. By practicing these questions, students develop a scientific outlook toward hygiene, water management, and sustainable living practices.
Frequently Asked Questions
NCERT Exemplar Class 7 Science Solutions are highly valuable for students because they go beyond the textbook and focus on higher-order thinking skills. The Exemplar problems are designed to strengthen conceptual clarity in Physics, Chemistry, and Biology. These solutions provide step-by-step explanations to application-based questions, which helps students develop reasoning ability and problem-solving skills. They also prepare learners for competitive exams like NTSE, Olympiads, and future entrance exams. By practicing Exemplar solutions, students gain exposure to a variety of question formats, including multiple-choice, assertion-reason, and long-answer types. This helps them in exam preparation as well as in developing a strong foundation for higher classes. The detailed explanations provided in NCERT Exemplar Class 7 Science Solutions by Home-tution.com make it easier for learners to connect concepts with real-life applications, ensuring long-term understanding and retention of scientific principles.
NCERT Exemplar Class 7 Science Solutions help students prepare effectively for their school exams by offering in-depth explanations to challenging questions. While the NCERT textbook introduces concepts, the Exemplar problems test their application and analytical skills. The solutions explain every question step by step, making it easier for students to grasp complex topics like electric current, reproduction in plants, or motion and time. These solutions encourage critical thinking, which helps in answering tricky application-based and reasoning-based questions often asked in exams. Since many CBSE schools use Exemplar problems to set question papers, practicing these solutions gives students a clear edge. Furthermore, students become more confident in handling multiple-choice and higher-order questions. Regular practice with NCERT Exemplar Class 7 Science Solutions improves accuracy, enhances time management, and ensures strong preparation, ultimately boosting exam performance and overall academic success.
Yes, NCERT Exemplar Class 7 Science Solutions are extremely useful for students preparing for Olympiads, NTSE, and other competitive exams at the school level. Olympiads and NTSE often test higher-order thinking skills, logical reasoning, and application-based knowledge. Exemplar questions are specifically designed to go beyond basic textbook learning and encourage analytical thinking. By practicing these solutions, students become familiar with different question types, including multiple-choice, reasoning, and assertion-based problems. The detailed explanations in the solutions help students understand not only the correct answers but also the scientific reasoning behind them. This strengthens their foundation in Physics, Chemistry, and Biology, which is essential for competitive exams. Regular practice of NCERT Exemplar problems boosts problem-solving skills and enhances confidence, making them highly beneficial for Olympiad aspirants and NTSE candidates at the Class 7 level.
NCERT textbook questions are mainly designed to introduce and strengthen basic concepts, whereas NCERT Exemplar Class 7 Science Solutions focus on advanced, application-oriented problems. The Exemplar questions are framed to challenge students’ logical thinking, reasoning, and problem-solving abilities. They include higher-order questions such as assertion-reason type, tricky multiple-choice, and experiment-based problems that are not usually found in standard textbooks. The solutions provide step-by-step explanations with detailed reasoning, helping students understand how to apply concepts in different scenarios. Unlike simple textbook exercises, Exemplar problems encourage deeper understanding of topics such as light, electric current, reproduction, and motion. For exam preparation, Exemplar solutions serve as an additional resource that strengthens conceptual clarity and ensures students can attempt complex questions with confidence. This makes NCERT Exemplar Class 7 Science Solutions a crucial supplement to regular textbook practice.
Students can find reliable NCERT Exemplar Class 7 Science Solutions on trusted educational platforms like Home-tution.com, which offers chapter-wise detailed solutions prepared by subject experts. These solutions are explained in simple language to make concepts easier for learners. Each answer is written step by step, ensuring students understand not only the solution but also the logic behind it. Home-tution.com provides well-structured, error-free explanations that cover all important topics such as food, motion, electricity, reproduction, and natural resources. These solutions also align with CBSE standards, making them highly useful for exam preparation. Apart from helping in school exams, they also benefit students preparing for NTSE, Olympiads, and other competitive exams. By regularly practicing with these expert-curated solutions, students can improve conceptual clarity, build confidence, and perform better academically.