NCERT Solutions for Class 7 Science 2024-25

Chapter 1: Nutrition in Plants 

Explore a captivating journey into plant nourishment as you delve into Chapter 1 of NCERT Science Class 7. This chapter offers:

• Grasping the fundamental concepts of plant nourishment and how plants draw nutrients from their environment.

• Understanding the various modes of plant nourishment, ranging from autotrophic to heterotrophic, and recognizing their importance within the ecosystem.

• Gaining insights into the process of photosynthesis, comprehending how plants utilize light energy to produce food and oxygen.

• Investigating the role of chlorophyll and other pigments in photosynthesis

• Recognizing the significance of minerals and nutrients in plant growth and development.

Important Topics Covered in Chapter 1: Nutrition in Plants 

• Mode of Nutrition in Plants

• Photosynthesis

• Saprotrophs

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 1 of NCERT Science Class 7–

• Nutrition in Plants Important Questions

• Nutrition in Plants Revision Notes

• Nutrition in Plants NCERT Exemplar Solutions

• Nutrition in Plants Worksheets

Chapter 2: Nutrition in Animals

Indulge and understand the concepts in NCERT Science Class 7 Solutions for Chapter 2: Nutrition in Animals. This chapter helps to:

• Understand the fundamental principles underlying animal nutrition and how animals obtain nutrients from their environment and food sources.

• Explore the diverse methods of animal nutrition, highlighting herbivores, carnivores, omnivores, and their crucial roles within ecosystems.

• Delve into the process of digestion and understand how animals break down food to extract essential nutrients for energy and growth.

• Examine  the role played by organs such as the stomach, intestines, and enzymes in the digestion and absorption of nutrients.

• Understand the significance of a balanced diet and proper nutrition in maintaining the health and well-being of animals.

Important Topics Covered in Chapter 2: Nutrition in Animals

• Digestion in Humans

• Digestion in Grass eating animals

• Feeding and Digestion in Amoeba

For deeper understanding, students can also download additional study materials provided by Vedantu, for Chapter 2 of NCERT Science Class 7–

• Nutrition in Animals Important Questions

• Nutrition in Animals Revision Notes

• Nutrition in Animals Worksheets

• Nutrition in Animals NCERT Exemplar Solutions

Chapter 3: Heat

Chapter 3 of NCERT Solutions Class 7 science will give an insight on heat and its properties. This chapter explores:

• Understanding the concept of heat, its properties, and its practical applications in various contexts.

• Exploring the different methods of heat transfer and their significance in everyday life.

• Investigating the effects of heat on different materials and substances, including changes in state and thermal expansion.

• Examining the principles of temperature measurement and their importance in scientific investigations.

• Discovering the role of heat in natural phenomena such as convection currents and atmospheric processes.

By referring to Class 7 Science NCERT Solutions, you'll gain a deeper understanding of heat, enhance your problem-solving skills, and prepare effectively for your examinations.

Important Topics Covered in Chapter 3: Heat

• Hot and Cold

• Laboratory Thermometer

• Transfer of Heat

For better understanding, students can also download additional study materials provided by Vedantu, for Chapter 3 of NCERT Science Class 7–

• Heat Important Questions

• Heat Revision Notes

• Heat Worksheets with Answers

Chapter 4: Acids, Bases and Salts

This Chapter takes a closer look at the fundamental concepts of acids, bases, and salts with Chapter 4 of NCERT Science Class 7. This chapter covers:

• Understanding the properties and characteristics of acids, bases, and salts, and their roles in various chemical reactions.

• Exploring the pH scale and its significance in determining the acidity or basicity of a substance.

• Investigating the reactions between acids and bases, including neutralization reactions and their practical applications.

• Examining the uses of acids, bases, and salts in everyday life, from household cleaners to industrial processes.

• Understanding the importance of maintaining the pH balance in natural ecosystems and human health.

Important Topics Covered in Chapter 4: Acids, Bases and Salts

• Acids, bases and Salts

• Natural indicators

• Neutralization

For better understanding, students can also download additional study materials provided by Vedantu, for Chapter 4 of Class 7 Science NCERT–

• Acids, Bases and Salts Important Questions

• Acids, Bases and Salts Revision Notes

• Acids, Bases and Salts NCERT Exemplar Solutions

Chapter 5: Physical and Chemical Changes 

Chapter 5 of Class 7 Science, titled "Physical and Chemical Changes," provides a comprehensive understanding of how substances undergo different types of changes. NCERT Solutions Class 7 Science offers detailed explanations and answers to help students grasp the core concepts effectively. Here are the key topics covered in this chapter:

• Explains physical changes, which involve a change in the state or appearance of a substance without altering its chemical composition. Examples include melting, freezing, and tearing.

• Delves into chemical changes, where a substance transforms into one or more new substances with different properties. It includes examples like rusting of iron, burning of paper, and the reaction between vinegar and baking soda.

• Students learn to identify and differentiate between physical and chemical changes by observing the nature of the change and the properties of the substances involved.

• The chapter includes various examples and experiments to illustrate physical and chemical changes. These practical activities help students observe and understand the processes involved in each type of change.

Important Topics Covered in Chapter 5: Physical and Chemical Changes 

• Physical and chemical changes

• Rusting of iron

• Crystallisation

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 5 of NCERT Class 7 Science–

• Physical and Chemical Changes Important Questions

• Physical and Chemical Changes Revision Notes

• Physical and Chemical Changes NCERT Exemplar Solutions

Chapter 6: Respiration in Organisms 

Chapter 6 of NCERT Science Class 7, titled "Respiration in Organisms," provides an in-depth exploration of the process by which living organisms obtain energy from food through respiration. These NCERT solutions Class 7 Science offer detailed explanations and answers to help students thoroughly understand the concepts. Here are the key topics covered in this chapter:

• Explains the basic concept of respiration, highlighting its importance in providing energy for various life processes. 

• The chapter details the two main types of respiration—aerobic and anaerobic

• The chapter explores different respiratory systems, including gills in fish, tracheal systems in insects, and lungs in mammals.

• The structure and function of the human respiratory system are covered in detail. 

• Explains the mechanism of breathing, including the processes of inhalation and exhalation

• The role of oxygen in cellular respiration is emphasized, explaining how oxygen is crucial for the release of energy from food.

Important Topics Covered in Chapter 6: Respiration in Organisms 

• Respiration and Breathing

• Breathing mechanism in Humans

• Breathing and respiration in Fish

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 6 of NCERT Class 7 Science–

• Respiration in Organisms Important Questions

• Respiration in Organisms Revision Notes

• Respiration in Organisms NCERT Exemplar Solutions

Chapter 7: Transportation in Animals and Plants 

NCERT Solutions Class 7 Science Chapter 7-Transportation in Animals and Plants delves into the essential processes that enable the movement of substances within living organisms. These NCERT solutions provide detailed explanations and answers to help students understand the vital concepts of transportation in both animals and plants. Here are the key topics covered in this chapter:

• Explains the circulatory system, focusing on the heart, blood, and blood vessels.

• Discusses the process of blood circulation, including the double circulation system in humans. 

• Covers the excretory system in animals, highlighting the role of kidneys in filtering waste from the blood and producing urine.

• Students learn about the transport systems in plants, focusing on xylem and phloem tissues. 

• Explores the process of transpiration, where water evaporates from the surface of leaves, creating a pull that draws water and nutrients upward from the roots through the xylem vessels.

• Explains the process of translocation, where food produced in the leaves is transported to other parts of the plant through the phloem tissue.

Important Topics Covered in Chapter 7: Transportation in Animals and Plants 

• Circulatory system

• Excretion in Animals

• Transport of substances in plants

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 7 of NCERT Class 7 Science–

• Transportation in Animals and Plants Important Questions

• Transportation in Animals and Plants Revision Notes

• Transportation in Animals and Plants NCERT Exemplar Solutions

Chapter 8: Reproduction in Plants 

NCERT Science Class 7 Solutions of Chapter 8 explores the various mechanisms by which plants reproduce and ensure the continuation of their species. These NCERT solutions provide detailed explanations and answers to help students thoroughly understand the concepts. This Chapter:

• Introduces the different modes of reproduction in plants, including asexual and sexual reproduction. 

• Learn about the sexual reproduction process in plants, which involves the formation of flowers, pollination, fertilization, and seed formation. 

• Explains how fertilization occurs after pollination, leading to the formation of seeds. 

• Learn about the importance of seed dispersal and the various methods by which seeds are spread to new locations, including wind, water, and animal dispersal.

• Describe the process of germination, highlighting the conditions necessary for seeds to germinate and grow into new plants.

Important Topics Covered in Chapter 8: Reproduction in Plants 

• Modes of reproduction

• Sexual reproduction

• Seed dispersal

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 8 of NCERT Class 7 Science–

• Reproduction in Plants Important Questions

• Reproduction in Plants Revision Notes

• Reproduction in Plants NCERT Exemplar Solutions

• Reproduction in Plants Worksheets

Chapter 9: Motion and Time 

NCERT Class 7 Science offers a detailed exploration of how objects move and how we measure that movement. These NCERT solutions provide thorough explanations and answers to help students understand the fundamental concepts of motion and time. Here are the key topics covered in this chapter:

• Introduces the concept of motion, describing how objects change their position over time. It covers different types of motion such as linear, circular, and periodic motion.

• Explains the concept of speed as a measure of how fast or slow an object moves and describe the difference between uniform motion 

• Teaches students how to plot and interpret distance-time graphs, which visually represent an object's motion. 

• Covers various units used to measure time and speed, emphasizing the importance of standard units in scientific measurements.

Important Topics Covered in Chapter 9: Motion and Time

• Types of motion

• Measurement of speed

• Measurement of time

• Distance -time graph

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 9 of NCERT Class 7 Science–

• Motion and Time Important Questions

• Motion and Time Revision Notes

• Motion and Time NCERT Exemplar Solutions

Chapter 10: Electric Current and its Effects 

This chapter explores the principles and applications of electric current, focusing on how it flows through circuits and its various effects. NCERT Class 7 Science Solutions for Chapter 10 provide comprehensive insights on the following topics:

• Understanding Electric Current and Circuits, its definition, and how it is measured.

• Detailed description of the various components such as cells, batteries, wires, bulbs, switches, and their functions.

• Investigation into the heating effect of electric current, its applications like electric heaters and electric bulbs.

• Examination of the magnetic effect of electric current, including electromagnets and their uses in devices like electric bells and motors.

• Understanding the purpose and function of fuses and circuit breakers to prevent electrical hazards.

Important Topics Covered in Chapter 10: Electric Current and its Effects 

• Types of motion

• Measurement of speed

• Measurement of time

• Distance -time graph

For better understanding, students can also download additional study materials provided by Vedantu, for Chapter 10 of NCERT Class 7 Science–

• Electric Current and its Effects Important Questions

• Electric Current and its Effects Revision Notes

• Electric Current and its Effects NCERT Exemplar Solutions

Chapter 11: Light 

This chapter explores the fascinating world of light, its properties, and how it interacts with different materials. NCERT Class 7 Science Solutions for Chapter 11 provide insights into the following topics:

• Understanding light as a form of energy that travels in a straight line and the concept of reflection.

• Explains how light bounces off surfaces, the laws of reflection, and the formation of images by plane mirrors.

• Understand the differences between concave and convex mirrors, their uses, and the nature of images formed by them.

• Introduction to lenses, including convex and concave lenses, and how they refract light to form images.

• Explores how white light splits into its constituent colors (spectrum) when passing through a prism.

Important Topics Covered in Chapter 11: Light 

• Transmission of light

• Reflection of light

• Images formed by lenses

• Spectrum of sunlight

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 11 of NCERT Science Class 7–

• Light Important Questions

• Light Revision Notes

Chapter 12: Forests: Our Lifeline 

Chapter 12 Class 7 Science NCERT Solutions explores the vital role forests play in maintaining ecological balance and supporting life on Earth. Chapter 12 Forests:Our Lifeline provide insights on the following topics:

• Understanding how forests act as a lifeline by purifying air, providing oxygen, and serving as habitats for a wide variety of flora and fauna.

• Examining the complex interactions between different organisms within a forest, including producers, consumers, and decomposers.

• Learning about the different strata of a forest, such as the canopy, understory, and forest floor, and their respective roles.

• Exploring how dead organic matter is broken down by decomposers, enriching the soil with nutrients necessary for plant growth.

• Discussing the importance of conserving forests, the threats they face, such as deforestation and forest fires, and the measures needed to protect them.

Important Topics Covered in Chapter 12: Forests: Our Lifeline 

• Introduction to forest

• Importance of forest

For more insights, students can also download additional study materials provided by Vedantu, for Chapter 12 of NCERT Science Class 7–

• Forests: Our Lifeline Important Questions

• Forests: Our Lifeline Revision Notes

• Forests: Our Lifeline NCERT Exemplar Solutions

Chapter 13: Wastewater Story

NCERT Solutions Class 7 Science For Chapter 13 provides an in-depth understanding of wastewater management and the processes involved in treating wastewater before it is released back into the environment. Solutions For NCERT Science Class 7 Chapter 13 cover the following key topics:

• Identifying various sources of wastewater including domestic, industrial, and agricultural origins, and understanding the different types of contaminants present in wastewater.

• Discussing why it is crucial to treat wastewater to prevent pollution, protect ecosystems, and ensure public health and hygiene.

• Exploring how treated wastewater can be recycled and reused for various purposes 

• Emphasizing the importance of public awareness and participation in wastewater management, and discussing simple practices to reduce wastewater generation at home.

• Linking the concepts of sanitation, hygiene, and health to effective wastewater management practices to prevent diseases and improve quality of life.

Important Topics Covered in Chapter 13: Wastewater Story

• Sewage

• Wastewater treatment plant (WWTP)

• Sanitation and disease

• An alternative arrangement for sewage disposal

For better understanding, students can also download additional study materials provided by Vedantu, for Chapter 13 of NCERT Science Class 7–

• Wastewater Story Important Questions

• Wastewater Story Revision Notes

• Wastewater Story NCERT Exemplar Solutions

Benefits of Referring to Vedantu’s NCERT Solutions for Class 7 Science

Vedantu’s NCERT Solutions for Class 7 Science, available in convenient PDFs, offer numerous benefits for students. These solutions are designed to enhance comprehension and aid in effective exam preparation. Here are some of the key advantages:

• Vedantu’s NCERT Solutions Class 7 Science provided are straightforward and easy to understand, ensuring that students grasp the fundamental concepts without any confusion.

• To facilitate better comprehension, Class 7 Science NCERT Solutions are presented in a phased manner, breaking down complex problems into simple, manageable steps.

• All questions from each chapter are thoroughly answered, ensuring that students have access to complete solutions for their studies.

• The solutions outline all necessary processes and concepts in detail, helping students to prepare effectively for their exams.

• Vedantu’s NCERT Solutions are organised into a detailed study map, highlighting important topics, key concepts, and essential formulas. This structured approach helps students to systematically cover the syllabus and strengthen their understanding.

• By using these solutions, students can identify their weak areas, improve their problem-solving skills, and gain a deeper understanding of scientific concepts.

Vedantu’s NCERT Solutions for Class 7 Science are a valuable resource for students aiming to excel in their exams. They provide a clear, organised, and comprehensive guide to mastering the subject.

Important Study Materials for Class 7 Science

Along with this, students can also download additional study materials provided by Vedantu, for CBSE Class 7 Science–

NCERT Solutions Class 7 Science Chapter-wise Link in Hindi Medium