CBSE Class 7 Science (in Hindi) NCERT Solutions 2022-23

What could be better if you get the simpler and readymade solutions of your Class 7 NCERT textbook exercises? Moreover, all these are created by an experienced subject matter expert. Can you imagine how beneficial these could be? Sounds amazing, right! You must opt for these NCERT solutions for Class 7 Science in Hindi right away. You can download NCERT Solutions Class 7 Science in Hindi from Vedantu official website (vedantu.com) by registering yourself with your phone number/email address. You can also access the same study materials from the Vedantu app as well. In that case, you need to download the Vedantu app first from the Google play store.

You will get Class 7 Science in Hindi NCERT solutions written in a simple and lucid manner. Solve all the problems/questions given in the exercises and evaluate your performance with these 100% accurate solutions so that you can learn how to write answers to the questions from any perspective during the final exam. Each of the answers in the Science in Hindi NCERT solutions Class 7 is student-friendly and customised by the experts. 

These NCERT solutions Class 7 Science in Hindi contain step-by-step answers to all the questions from the exercise, which are considered as an invaluable aid to the students when it comes to regular study, exam preparation or doing homework. Class 7 Science in Hindi NCERT solutions will clear all your doubts in very little time. Hence your confidence will be boosted. By practising the questions from these books, you will be able to improve your time management skills. That will help you in solving all the questions in the stipulated time frame during the final exam. 

NCERT Solutions for Class 7 Science in Hindi are designed as per the latest CBSE curriculum and guidelines. Vedantu’s study materials are updated regularly as per the latest changes. Hence students of Class 7 who are referring to these materials will be able to score the best marks in the final exam. Once you start using these materials, the preparation for the Class 7 exam and scoring the highest percentile amongst your peers will seem like a cakewalk at the end of the day.

Students can also refer to these additional study materials provided by Vedantu for Class 7 Science –

• Class 7 Science: Sample Paper

• Class 7 Science: Syllabus

Chapter 1 – Nutrition in Plants (पादपों में पोषण)

The first chapter of Class 9 Science is “Nutrition in Plants”. The topics in this chapter include nutrition, nutrients, autotrophs, heterotrophs, photosynthesis, synthesis of plant food. It also includes carbohydrates, other modes of nutrition in plants, parasitic organisms, partial parasites and total parasites, saprotrophs, insectivorous plants, symbiosis and how nutrients are replenished in the soil. Refer to the NCERT Solutions for Class 7 Science in Hindi Medium to learn more about this chapter while preparing for the Class 7 Science exam in Hindi medium.

Students can also access the following additional study materials provided by Vedantu for Chapter 1 “Nutrition in Plants” –

• Chapter 1: Important Questions

• Chapter 1: Revision Notes

Chapter 2 – Nutrition in Animals (प्राणियों में पोषण)

After learning about nutrition in plants, students will learn about nutrition in animals in this chapter. This chapter begins with a brief about the components of food and the process of digestion. It then talks about different ways of taking food, digestion in humans, the human digestive system, the mouth and buccal cavity, the oesophagus, the stomach, the small intestine, absorption in the small intestine, large intestine, digestion in grass-eating animals, and feeding and digestion in amoeba. 

It also talks about milk teeth, permanent teeth, sweets and tooth decay, the discovery of the working of the stomach, and diarrhoea. The answers to all the questions from this chapter are given in Vedantu’s NCERT Solutions for Class 7 Science in Hindi Medium, which students can refer to while preparing for the Class 7 Science exam.

Students can also access the following additional study materials provided by Vedantu for Chapter 2 “Nutrition in Animals” –

• Chapter 2: Important Questions

• Chapter 2: Revision Notes

Chapter 3 – Fibre to Fabric (रेशों से वस्त्रा तक)

In Class 6, students have learnt about some fibres that are obtained from plants and animals. In this chapter, the topics include wool, animals that yield wool, rearing and breeding sheep, processing fibres into wool, shearing, scouring, sorting, and picking out burrs. It also explains dying fibres, straightening, combing, and rolling fibres into yarn, some Indian breeds of sheep, silk, sericulture. Students will also learn about life history of the silk moth, from cocoon to silk, rearing silkworms, processing silk, reeling silk, and discovery of silk are discussed. To check out all the answers for this chapter, refer to Vedantu’s NCERT Solutions for Class 7 Science in Hindi Medium.

Students can also access the following additional study materials provided by Vedantu for Chapter 3 “Fibre to Fabric” –

• Chapter 3: Important Questions

• Chapter 3: Revision Notes

Chapter 4 – Heat (ऊष्मा)

The fourth chapter of Class 9 Science is “Heat”. It talks about how some objects feel hot and some cold. We often decide whether an object is hot or cold through our sense of touch. It also talks about temperature, thermometer, measuring temperature, reading a thermometer, normal temperature, laboratory thermometer, transfer of heat, conduction, conductors, insulators, convection, sea breeze, land breeze, radiation, kinds of clothes we wear in summer and winter, and woollen clothes keep us warm in winter.

Students can also access the following additional study materials provided by Vedantu for Chapter 4 “Heat” –

• Chapter 4: Important Questions

• Chapter 4: Revision Notes

Chapter 5 – Acids, Bases and Salts (अम्ल, क्षारक और लवण)

In our daily lives, we use many things such as lemons, oranges, sugar, salt, or tamarind. All of these have different tastes. Some taste salty, some taste sour, some taste bitter, and some taste sweet. Objects that taste sour are generally acidic and contain natural acids. On the other hand, objects that taste bitter are generally basic and are known as bases. The substances used to test the nature of an object are known as indicators. Examples of these include litmus, turmeric and China rose petals. 

This chapter talks about natural indicators around us, including litmus, China rose, neutralisation, neutralisation in everyday life including indigestion, ant bite, soil treatment, and factory wastes. For clearing any doubts or queries in this chapter, Vedantu’s NCERT Solutions for Class 7 Science in Hindi Medium are the perfect study material.

Students can also access the following additional study materials provided by Vedantu for Chapter 5 “Acids, Bases and Salts” –

• Chapter 5: Important Questions

• Chapter 5: Revision Notes

Chapter 6 – Physical and Chemical Changes (भौतिक एवं रासायनिक परिवर्तन)

The sixth chapter of Class 9 Science talks about physical and chemical changes that we come across in our surroundings. Physical changes are the changes that happen in the physical properties of substances. In such changes, no new substances are formed, and the changes may be reversible. Examples of physical changes include crushing a can, an electric bulb glowing, sand and water being mixed, and paper being torn. 

Chemical changes are those in which the chemical properties and the composition of a substance change. In such changes, new substances are formed, and these are irreversible and permanent. In daily life, we see chemical reactions such as rusting of iron (prevention – painting, oiling, and greasing, chromium plating, galvanising, alloying), cooking of food and decaying of organic substances.

Students can also access the following additional study materials provided by Vedantu for Chapter 6 “Physical and Chemical Changes” –

• Chapter 6: Important Questions

• Chapter 6: Revision Notes

Chapter 7 – Weather, Climate and Adaptations of Animals to Climate (मौसम, जलवायु तथा जलवायु के अनुरूप जंतुओं द्वारा अनुवूफलन)

“Weather, Climate and Adaptations of Animals to Climate” is the seventh chapter of Class 9 Science. It starts with weather and its elements. It continues with the measurement of temperature, climate, climate-altering factors, climate and adaptation, classification of three regions (the polar region, tropical rainforest, desert), and migration.

Students can also access the following additional study materials provided by Vedantu for Chapter 7 “Weather, Climate and Adaptations of Animals to Climate” –

• Chapter 7: Important Questions

• Chapter 7: Revision Notes

Chapter 8 – Winds, Storms and Cyclones (पवन, तूफान और चक्रवात)

This chapter talks about air, its composition, its properties, wind, air pressure, the effect of wind speed on air pressure, expansion of air on heating, types of winds (wind currents, thunderstorms), how a thunderstorm becomes a cyclone, rain, cyclones, tornadoes, the destruction caused by cyclones, cyclone notice, effective safety measures, and action on the part of people. This is an important chapter in Class 7 Science. Hence students must go through it thoroughly and refer to the answers to the questions of this chapter from Vedantu’s NCERT Solutions for Class 7 Science in Hindi Medium.

Students can also access the following additional study materials provided by Vedantu for Chapter 8 “Winds, Storms and Cyclones” –

• Chapter 8: Important Questions

• Chapter 8: Revision Notes

Chapter 9 – Soil (मृदा)

Chapter 9 “Soil” talks about what soil is, in the form of a story. It talks about the layers of soil (humus, weathering, horizons, topsoil, B-horizon, C-horizon, bedrock), types of soil (sandy, clayey, loamy), properties of soil (percolation rate of water, moisture, absorption of water), soil and crops, and soil erosion. 

Students can also access the following additional study materials provided by Vedantu for Chapter 9 “Soil” –

• Chapter 9: Important Questions

• Chapter 9: Revision Notes

Chapter 10 – Respiration in Organisms (जीवों में श्वसन)

The tenth chapter of Class 9 Science is about respiration in organisms. It talks about why we respire, cellular respiration, aerobic respiration, anaerobic respiration, breathing, inhalation, exhalation, breathing rate, and how we breathe. It also discusses the anatomy of the human respiratory system (nasal passage, oral cavity, pharynx, trachea, lungs, ribs, diaphragm), what we breathe out, breathing in other animals (cockroach, earthworm), breathing underwater, and respiration in plants.

Students can also access the following additional study materials provided by Vedantu for Chapter 10 “Respiration in Organisms” –

• Chapter 10: Important Questions

• Chapter 10: Revision Notes

Chapter 11 – Transportation in Animals and Plants (जंतुओं और पादप में परिवहन)

Chapter 11 “Transportation in Animals and Plants” talks about the transportation of substances in animals and plants. It begins with the circulatory system that consists of blood (red blood cells, white blood cells, platelets), blood vessels (arteries, veins, capillaries), and the heart (atria, ventricles). It further talks about heartbeat, the excretory system in humans (kidneys, urine, urinary bladder, ureters, urethra), transport of substances in plants (vascular tissue, xylem, phloem), and transpiration.

Students can also access the following additional study materials provided by Vedantu for Chapter 11 “Transportation in Animals and Plants” –

• Chapter 11: Important Questions

• Chapter 11: Revision Notes

Chapter 12 – Reproduction in Plants (पादप में जनन)

In this chapter, students will learn about how plants reproduce. It talks about the parts of plants (vegetative parts – roots, stems, leaves; reproductive parts – flowers), types of reproduction (sexual, asexual), types of asexual reproduction (vegetative propagation, budding, fragmentation, spore formation). Students will also learn about the types of flowers (unisexual, bisexual), parts of flowers (stamen – anther, filament; pistil - stigma, style, ovary, ovule), pollination, fertilisation, fruits and seed formation, and seed dispersal. 

Students can also access the following additional study materials provided by Vedantu for Chapter 12 “Reproduction in Plants” –

• Chapter 12: Important Questions

• Chapter 12: Revision Notes

Chapter 13 – Motion and Time (गति एवं समय)

The thirteenth chapter of Class 9 Science is “Motion and Time”. The topics discussed in this chapter include motion, types of motion (uniform, non-uniform), speed, SI unit of speed, and measurement of time. It also explains simple pendulums, periodic motion, oscillation, SI units of time, measuring speed (speedometer, odometer), and distance-time graph. 

Students can also access the following additional study materials provided by Vedantu for Chapter 13 “Motion and Time” –

• Chapter 13: Important Questions

• Chapter 13: Revision Notes

Chapter 14 – Electric Current and its Effects (विद्युत धरा और इसवेफ प्रभाव)

Chapter 14 “Electric Current and its Effects” talks about electric currents and their effects, as the name suggests. The chapter begins with an explanation of electric currents and the symbols of electric components. It continues with the electric current’s effects (heating effect of electric current, fuse, MCB, magnetic effect of electric current, electromagnets), and electric bell.

Students can also access the following additional study materials provided by Vedantu for Chapter 14 “Electric Current and its Effects” –

• Chapter 14: Important Questions

• Chapter 14: Revision Notes

Chapter 15 – Light (प्रकाश)

This chapter discusses the concepts of light, its characteristics (rectilinear propagation of light, reflection, dispersion), plane mirrors, spherical mirrors, real and virtual image, images formed by lenses, and sunlight. 

Students can also access the following additional study materials provided by Vedantu for Chapter 15 “Light” –

• Chapter 15: Important Questions

• Chapter 15: Revision Notes

Chapter 16 – Water: A Precious Resource (जलः एक बहुमूल्य संसाधन)

The sixteenth chapter teaches students about the importance of water and how we should learn to save it. It talks about water, its properties, its forms (solid – ice, liquid – lakes, rivers, oceans, gaseous – water vapour), groundwater, infiltration, aquifer, and water resources in India. Students will also learn about water management (drip irrigation, water harvesting, cultivating better habits), water scarcity reasons (decrease in open areas for water seepage belowground due to increasing populations. 

It also talks about various important topics, such as an increase in the utilisation of water due to an increase in the number of industries; failure of irrigation systems due to irregular rainfall leading to use of groundwater and uneven distribution of rainfall at several places leading to decrease in the water table. It also explains water flowing to lower areas instead of seeping through soil due to deforestation, causing the water table to decrease) and ways to prevent water scarcity (sustainable water management, reclaimed water, sewage treatments, awareness programs). 

Students can also access the following additional study materials provided by Vedantu for Chapter 16 “Water: A Precious Resource” –

• Chapter 16: Important Questions

• Chapter 16: Revision Notes

Chapter 17 – Forests: Our Lifeline (वनः हमारी जीवन रेखा)

The seventeenth chapter of Class 9 Science is in the form of a story wherein children visit a forest and learn more about it. They learn about how forests are home to several plants and animals. Several trees like amla, semal, sal, bamboo, fig and teak can be found in forests. The chapter also talks about the interrelationship of plants, soil, and decomposers in a forest (reliance on each other for survival, interaction with one another and their physical surroundings to obtain energy and survive) and how the forest is a dynamic living entity, deforestation. 

It also explains the effects of deforestation (climate change, animals won’t get shelter or food, flooding, lives and the environment in jeopardy). Students will also learn about the importance of forests (provide timber, purify the air, provide shelter, prevent soil erosion, control floods, noise absorbers), conservation of forests (avoid overgrazing of your animals and encouraging planting trees, taking care of the environment, keeping forest fires at bay), food chain and food web.

Students can also access the following additional study materials provided by Vedantu for Chapter 17 “Forests: Our Lifeline” –

• Chapter 17: Important Questions

• Chapter 17: Revision Notes

Chapter 18 – Wastewater Story (अपशिष्ट जल की कहानी)

This chapter talks about wastewater. It also talks about how clean water is a basic need for every person’s survival and is our lifeline. It also includes the topics sewage, process of water purification, wastewater treatment plant, better housekeeping practices, sanitation and disease, and alternative arrangement for sewage disposal (on-site sewage disposal system, sanitation at public places).

Students can also access the following additional study materials provided by Vedantu for Chapter 18 “Wastewater Story” –

• Chapter 18: Important Questions

• Chapter 18: Revision Notes

Preparation Strategy for Class 7 Science

The best way to prepare for the Class 7 Science exam is to study from the beginning and not leave it for the last minute. You can rest assured that the NCERT Solutions provided by Vedantu contain the answers to all the questions from each chapter of the Class 7 Science syllabus. You should make a schedule and try to adhere to it so that you can complete the syllabus before the exam, with time to revise 2 to 3 times. Also, try to assign some time to do the activities that you like so that you don’t get bored.

While making your study schedule, divide your time for each of the subjects as this will help you finish the syllabus for all the subjects in time. Go through all the concepts thoroughly and don’t skip any topics as every topic is important for the exams.

You must pay attention when a topic is being discussed in the class and try to write down the important points so that you can review these points after going home. This way, you can also revise before the exam.

Things to do When Exams are Approaching

As Your Exams Approach, You Should Keep These Points in Mind -

• Try to take care of yourself as your health is the most important, especially when the exams are approaching. Eat healthy food, get adequate sleep and stay hydrated.

• Don’t get stressed or nervous thinking about your exam, as this would only hamper your preparation. Instead, try to stay calm and meditate or do some yoga to relax. You will be able to retain everything that you’ve learnt with a fresh and relaxed mind.

• Avoid learning any new topics and concepts when the exam is approaching, as you won’t be able to remember it properly, and you might end up forgetting what you’ve already learnt.

How Can Vedantu Help Students?

Vedantu aims to provide quality education to all students. Students from more than 30 countries in the world rely on Vedantu for their studies. Over 500 highly qualified subject experts engage with Vedantu to tutor students of all classes for all the subjects.

Important Related Links for NCERT Class 7

• CBSE Class 7 Revision Notes

• NCERT Books for Class 7

• Important Questions for CBSE Class 7

• NCERT Exemplar Solutions for Class 7

• CBSE Class 7 Syllabus