NCERT Solutions For class 9 Science in Hindi

What could be better if you get the simpler and readymade solutions of your Class 9 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 9 Science in Hindi right away. You can download NCERT Solutions Class 9 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 9 Science in Hindi NCERT solutions written simply and lucidly. 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 9 is student-friendly and customised by the experts. 

These NCERT solutions Class 9 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 9 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 9 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 9 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 9 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 for Class 9 Science provided by Vedantu –

• Class 9 Science Syllabus

• Class 9 Science Sample Papers

CBSE Class 9 Science Weightage 2024-25

Detailed marking scheme of the examination is given below for you so that you can understand on which unit you should focus more to score maximum.

Class 9 Science Chapters and NCERT Solutions

Chapter 1 – Matter in Our Surroundings (हमारे आसपास के प्रदार्थ)

Chapter 1 “Matter in Our Surroundings” is the first chapter in the Class 9 Science NCERT book. It starts with an introduction about the matter in our surroundings and its definition, its composition, and its properties. 

Further, it talks about the Kinetic Theory of Matter (all matter comprises of small particles, particles of matter have to space between them, are constantly moving – translatory, rotational, or vibrational motion, the particles attract each other), diffusion in solids, liquids, and gases, the force of attraction, states of matter, comparison of characteristics of solids, liquids and gases, rigid form, inter-conversion of the state of matter, the effect of change of temperature and pressure, melting, boiling, condensation, freezing, the effect of change in pressure on the state of matter, latent heat, its types, sublimation, evaporation and cooling effect. 

The NCERT Solutions of Chapter 1 “Matter in Our Surroundings” of Class 9 Science in Hindi, contain the solutions for all the questions of this chapter. There are four exercises in NCERT Class 9 Science. There is also one more exercise at the end, with nine questions. The questions in these exercises are based on both applications as well as learning for testing the cognizance and application skills of students after they have gone through the chapter.

Refer to the NCERT Science Book Class 9 Solutions in Hindi to learn the answers for this chapter. Students can also access the following additional study materials provided by Vedantu, for Chapter 1 “Matter in Our Surroundings” –

• Chapter 1: Important Questions

• Chapter 1: Revision Notes

Chapter 2 – Is Matter Around Us Pure (क्या हमारे आसपास के प्रदार्थ शुद्ध है)

This chapter starts with an introduction of matter and continues to talk about the classification of substances into pure and impure substances. Further, pure substances are classified into elements and compounds. Elements can include metals, non-metals and metalloids and can either be liquids, solids, or gases. A comparison of metals and non-metals is given in the chapter. Compounds and their types – inorganic and organic – have also been discussed in the chapter. Students will also learn about mixtures, their two types – homogeneous and heterogeneous, and the distinction between compounds and mixtures. 

The topics like a solution, suspensions, colloids, their differences, and separation of a mixture are also included in this chapter. Students will find several illustrations in the chapter, and the solutions for all the problem questions are given in Vedantu’s NCERT 9th Class Science Book Solutions in Hindi. In Chapter 2, there are four exercises, with an additional exercise with 11 questions at the end. Most of these questions are application-based and practical to enhance the learning of students.

Students can also access the following additional study materials provided by Vedantu for Chapter 2 “Is Matter Around Us Pure” –

• Chapter 2: Important Questions

• Chapter 2: Revision Notes

Chapter 3 – Atoms and Molecules (परमाणु एवं अणु)

The third chapter of Class 9 Science is based on atoms and molecules. It talks about the law of conservation of mass, the law of constant proportion, the law of multiple proportions, and Dalton’s atomic theory. It also discusses the topics atoms, atomic mass, valency, molecules, compounds, ions, molecular mass, mole, and Avogadro number. Several important formulas are given in this chapter, which students must learn while preparing for their exams. Numerical problems based on these formulas and theories can be asked in the Class 9 Science exam.

Chapter 3 of Class 9 Science has five exercises and has an additional exercise with 11 questions at the end. Students can also access the following additional study materials provided by Vedantu for Chapter 3 “Atoms and Molecules” –

• Chapter 3: Important Questions

• Chapter 3: Revision Notes

Chapter 4 – Structure of the Atom (परमाणु की संरचना)

Chapter 4 “Structure of the Atom” includes the topics like atoms, their structure, protons, electrons, neutrons, nucleus, orbits, subshells, valence electrons, atomic number, mass number, notation of atoms, isotopes, and isobars. 

There are seven exercises in this chapter. There is also an additional exercise given at the end of the chapter, containing 19 questions. Students can learn more about this chapter from NCERT 9th Class Science Book Solutions in Hindi. Students can also access the following additional study materials provided by Vedantu, for Chapter 4 “Structure of the Atom” –

• Chapter 4: Important Questions

• Chapter 4: Revision Notes

Chapter 5 – The Fundamental Unit of Life (जीवन की मौलिक इकाई)

Chapter 5 of Class 9 Science begins by talking about the components of living organisms. It talks about the history of cells, their components and structural organisation, differences between osmosis and diffusion, cell walls, plasmolysis, nucleus, the difference between prokaryotic cells and eukaryotic cells, cytoplasm, cell organelles (endoplasmic reticulum and its two forms (RER and SER), membrane biogenesis, Golgi apparatus, lysosomes, mitochondria), plastids, vacuoles, and the difference between plant and animal cells.

Chapter 5 of Class 9 Science has three exercises in between and one in the end, containing 11 questions. Students can also access the following additional study materials provided by Vedantu for Chapter 5 “The Fundamental Unit of Life” –

• Chapter 5: Important Questions

• Chapter 5: Revision Notes

Chapter 6 – Tissues (ऊतक)

The sixth chapter of Class 9 Science is “Tissues”. It talks about how plants have tissues to provide them with mechanical strength, with which they can withstand unfavourable conditions like floods or strong winds. The types of tissues in plants include meristematic tissue, which can be further classified into apical, lateral, and intercalary meristems, permanent tissue, which can be further divided into simple permanent tissues (parenchyma, collenchyma, sclerenchyma), complex permanent tissues and several other special tissues. This chapter also talks about animal tissues.

In this chapter, there are three exercises in between and another exercise in the end, with 15 questions. Students can also access the following additional study materials provided by Vedantu for Chapter 6 “Tissues” –

• Chapter 6: Important Questions

• Chapter 6: Revision Notes

Chapter 7 – Diversity in Living Organisms (जीवों में विविधता)

The classification of organisms based on their form, structure and manner of life is discussed in Chapter 7 of Class 9 Science. The Evolution Theory by Charles Darwin and the classification of living species into kingdoms by different scientists including Carl Woese, Ernst Haeckel and Robert Whittaker have also been discussed in this chapter. Monera, Protista, and Fungi are also mentioned in the chapter. This chapter also mentions the two sub-kingdoms of the plant kingdom including Cryptogamae (Thallophyta, Bryophyte, Pteridophyte) and Phanerogamae (Gymnosperms, Angiosperms). 

Further, it talks about Animalia, which is divided into Invertebrata and Vertebrata. Invertebrata includes Porifera, Coelenterate, Platyhelminthes, Nematoda, Arthropoda, Molluscs, Echinodermata, and Protochordates and Vertebrata include Pisces, Amphibia, Reptilia, Aves and Mammalia.

There are six intext exercises in this chapter and one end exercise with six questions. These include mostly memory-based questions. Students can also access the following additional study materials provided by Vedantu for Chapter 7 “Diversity in Living Organisms” –

• Chapter 7: Important Questions

• Chapter 7: Revision Notes

Chapter 8 – Motion (गति)

The eighth chapter of Class 9 Science is “Motion”. This is a Physics chapter that talks about motion, the most common phenomenon in the physical world. It also covers motion and rest, the types of motion (translational – rectilinear and curvilinear, vibrational, rotational), distance and displacement, uniform and non-uniform motion, speed (uniform and variable), velocity, acceleration, plotting a graph and Newton’s laws of motion.

Chapter 8 of Class 9 Science has five intext exercises and one end exercise that has ten questions. Students can also access the following additional study materials provided by Vedantu, for Chapter 8 “Motion” –

• Chapter 8: Important Questions

• Chapter 8: Revision Notes

Chapter 9 – Force and Laws of Motion (बल तथा गति के नियम)

Chapter 9 “Force and Laws of Motion,” is based on force and the laws of motion. It starts with a definition of force and talks about different types of forces, including resultant force, balanced and unbalanced forces, muscular force, gravitational force, frictional force, and air resistance. It also discusses inertia, its types (inertia of rest, inertia of motion and inertia of direction), Newton’s three laws of motion, examples, and formulas of the three laws. 

There are three exercises in this chapter, with an additional end exercise containing 18 questions. There are numerical problems as well. Students can also access the following additional study materials provided by Vedantu for Chapter 9 “Force and Laws of Motion” –

• Chapter 9: Important Questions

• Chapter 9: Revision Notes

Chapter 10 – Gravitation (गुरुत्वाकर्षण)

The tenth chapter of Class 9 Science begins with an example of what happens when a stone is tossed from a great height. It talks about gravitational force, which causes this stone to fall on the ground, without it being pulled or pushed. Sir Isaac Newton came up with the theory of gravitation when he saw an apple fall from a tree. His thesis was that both the earth and the apple are attracted to each other, but since the force of Earth on the apple is enormous, the apple falls. 

This chapter talks about the Universal Law of Gravitation, the Universal Gravitational Constant, the dependence of gravitational force on mass and distance, the gravitational force between two light objects and massive objects, the centre of gravity, application of Newton’s Law of Gravitation, mass and weight, weightlessness, density, the relative density of a substance, thrust and pressure, buoyancy, and Archimedes Principle.

Chapter 10 of Class 9 Science has five exercises. An end exercise with 22 questions is also given in this chapter. Students can also access the following additional study materials provided by Vedantu for Chapter 10, “Gravitation” –

• Chapter 10: Important Questions

• Chapter 10: Revision Notes

Chapter 11 – Work and Energy (कार्य तथा ऊर्जा)

Chapter 11 of Class 9 Science is “Work and Energy”. It talks about the concept of work and its measurement in Physics. The topics in this chapter include the conditions to be satisfied for work to be done, work done when force is not along the direction of motion, centripetal force, SI unit of work, energy, different forms of energy, kinetic energy, the expression for the kinetic energy of a moving body, momentum and kinetic energy, potential energy, the expression for potential energy, the law of conservation of energy, power, SI unit of power, the commercial unit of energy, and the numerical relation between the SI and commercial unit of electrical energy.

This chapter has four intext exercises and one end exercise with 21 questions. Students can also access the following additional study materials provided by Vedantu for Chapter 11 “Work and Energy” –

• Chapter 11: Important Questions

• Chapter 11: Revision Notes

Chapter 12 – Sound (ध्वनि)

This chapter is on the topic of sound. It discusses that sound is a form of energy and is produced by vibrations. It also talks about sound waves and their travel properties. The propagation of sound and sound waves in the air from a tuning fork, need of a medium to travel, experiment to prove it, basic terms related to waves, speed of sound, the reflection of sound, echoes, advantages and disadvantages of echoes, reverberation, practical applications of reflection of sound, musical sound and noise, range of hearing, applications of ultrasound, sonar, determining the ocean’s depth, echolocation, and the structure of human ear are the topics discussed in this chapter.

The twelfth chapter of Class 9 Science has ten intext exercises and an end exercise with 22 questions. Students can also access the following additional study materials provided by Vedantu for Chapter 12 “Sound” –

• Chapter 12: Important Questions

• Chapter 12: Revision Notes

Chapter 13 – Why do We Fall Ill? (हम बीमार क्यों होते है)

The thirteenth chapter in Class 9 Science begins with an explanation of health and its significance. It includes the topics the difference between “health” and “disease-free”, disease and its causes, acute and chronic diseases, cause of diseases, infectious and non-infectious diseases, mode of transmission (airborne, waterborne, physical contact, vectors), organ- and tissue-specific manifestations, and the principles of treatment and prevention.

There are 15 questions in the exercise in this chapter. The answers to these questions are given in the NCERT Science Book Class 9 Solutions in Hindi. Students can also access the following additional study materials provided by Vedantu for Chapter 13 “Why do We Fall Ill?” –

• Chapter 13: Important Questions

• Chapter 13: Revision Notes

Chapter 14 – Natural Resources (प्राकृतिक सम्पदा)

Chapter 14 “Natural Resources” talks about the natural resources present on our planet. It talks about air, its composition, atmosphere, movement of air, rain, air pollution, water, water pollution, mineral riches in the soil, soil pollution, biogeochemical cycles (water cycle, nitrogen cycle, carbon cycle, oxygen cycle), the greenhouse effect and the ozone layer.

There are five exercises in this chapter. Exercise 1 contains five questions. Exercise 2 contains three questions. Exercise 3 has three questions. Exercise 4 has five questions. The last exercise has six questions. Students can also access the following additional study materials provided by Vedantu for Chapter 14 “Natural Resources” –

• Chapter 14: Important Questions

• Chapter 14: Revision Notes

Chapter 15 – Improvement in Food Resources (खाद्य संसाधनों में सुधार) 

This chapter begins with an introduction about how all living species require food to survive. The topics of improvement in crop yields, crop variety improvement (hybridisation, genetically modified crops), crop production management, nutrient management (macronutrients, micronutrients), manure, fertilisers, irrigation, cropping patterns (mixed cropping, intercropping, crop rotation), crop protection management (biotic and abiotic factors), storage of grains, animal husbandry, cattle farming, poultry farming, fish production (capture fishing, mariculture, aquaculture), marine fisheries, inland fisheries, and beekeeping are discussed in this chapter.

The last chapter of Class 9 Science has a total of 25 questions, and the answers for these questions are given in the NCERT 9th Class Science Book Solutions in Hindi. Students can also access the following additional study materials provided by Vedantu, for Chapter 15 “Improvement in Food Resources” –

• Chapter 15: Important Questions

• Chapter 15: Revision Notes

Benefits of Opting to NCERT Solutions Class 9 Science in Hindi

The NCERT 9th Class Science Book Solutions in Hindi have been designed according to the latest guidelines of the CBSE board and are available for students to download for free. All they need to do is click on the name of the chapter for which they want to download the solutions and click on the Download PDF option. Every concept has been explained in a step-by-step way in the solutions for the ease of students. With this, students can not only understand all the topics but also score great marks in their Class 9 Science exam. These chapters are important because they form the base for Class 10 Science, wherein you must give your Class 10 Science board exam. Hence, you must pay attention when you’re being taught the concepts in class at school.

The chapters in Class 10 Science are based on Physics, Chemistry, and Biology. The solutions for these chapters are prepared methodically and logically by expert teachers at Vedantu, who have years of experience in different subjects like Maths, Social Science, Hindi, and Science, making them completely reliable and accurate.

Why Download Vedantu’s Class 9 Science NCERT Solutions Hindi Medium?

Students should download and refer to Vedantu’s Class 9 Science NCERT Solutions for the following reasons – 

• Free of Cost – The major advantage of these solutions is that they are available to students for free. Hence, they don’t need to spend any money on the solutions. They can download these solutions and refer to them offline, whenever they want to.

• Accuracy and Reliability – The NCERT Solutions for all the chapters of Class 9 Science are available on Vedantu. These solutions are prepared by teachers who are experts in Science. Hence students can rely on these solutions without any hesitation.

• Well-explained – The answers in the Solutions pdf are given in Hindi for the benefit of Hindi medium students. These are given in a step-by-step format for the ease of students. They can also learn the proper answer format they should follow for their Class 9 Science exam.