NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions

NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions

Updated on Jun 07, 2025 03:29 PM IST

NCERT Exemplar Class 9 Science Solutions are designed to provide students with a clear and simple understanding of the key concepts in every chapter. These solutions cover all the important topics, such as matter in our surroundings, motion, atoms and molecules, why do we fall ill? and more. These solutions include different forms of questions, such as MCQs, short, and long answers, which allow students to increase their knowledge and problem-solving skills. Regular practicing will help students to gain confidence and score better in exams.

This Story also Contains
  1. NCERT Exemplar Class 9 Science Solutions
  2. NCERT Class 9 Science Chapter-wise Exemplar Solutions
  3. Chapter 10: Gravitation
  4. How to Download NCERT Exemplar Solutions From the Official Website?
  5. Benefits or Features of NCERT Exemplar Class 9 Science Solutions
NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions
NCERT Exemplar Class 9 Science Solutions - Chapter Wise Problems with Solutions

The solutions are prepared by experts to match the latest CBSE syllabus. All the answers are double-checked to guarantee accuracy, thus providing students with trustworthy material for study. Along with well-detailed explanations in clear and easy language, diagrams are also given wherever needed to make sure that no concept is left unclear. It is an excellent resource for developing application-based knowledge and doing revision. This NCERT Exemplar Solutions helps students to approach even hard questions, and achieve a solid foundation in the concepts and subject of science for advanced classes.

NCERT Exemplar Class 9 Science Solutions

Exemplar Solutions consists of a large variety of questions that are carefully designed to help students increase their understanding of important scientific concepts. These solutions provide clear and step-by-step explanations, making it easier for learners to grasp difficult topics and apply them effectively. By practicing these questions, students can build a strong foundation of problem-solving skills, improve their critical thinking, and also help in preparing thoroughly for their exams. The complete coverage of all chapters ensures that students gain confidence and clarity across the entire Class 9 science syllabus.

NCERT Class 9 Science Chapter-wise Exemplar Solutions

The chapter-wise solutions are given below-

Chapter 1: Matter in Our Surroundings

Everything we see around us, like air, water, and solids, is made up of matter. Chapter 1, Matter in Our Surroundings, introduces students to the basic nature and different states of matter. It explains key ideas like the characteristics of particles, how matter changes from one state to another, and why these changes occur. The exemplar solutions guide students through these concepts with easy explanations and logical reasoning, helping them build a solid base in science right from the start.

Chapter 2: Is Matter Around Us Pure?

From salt in water to the air around us, most materials we use daily are mixtures. Chapter 2, Is Matter Around Us Pure?, helps students understand the difference between pure substances and mixtures, and how to separate them using physical methods. It explores solutions, suspensions, and colloids along with their properties in a simple and engaging way. The exemplar solutions are designed to clear doubts, improve reasoning skills, and make students confident in solving application-based questions.

Chapter 3: Atoms and Molecules

The exemplar solutions of Chapter 3, Atoms and Molecules, provide clear and step-by-step answers to help students understand how matter is made up of tiny particles. This chapter covers important topics such as the laws of chemical combination, Dalton’s atomic theory, writing chemical formulae, molecular mass, and the concept of the mole. These concepts build a strong foundation for understanding chemical reactions and quantitative chemistry in higher classes.

Chapter 4: Structure of the Atom

The exemplar solutions of Chapter 4, Structure of the Atom, help students explore what lies inside an atom and how scientists discovered it over time. The chapter explains the evolution of atomic models from Thomson’s model to Rutherford’s experiment and Bohr’s theory in a logical and engaging way. It also introduces the concepts of atomic number, mass number, isotopes, and isobars. With these solutions, students can strengthen their understanding of the invisible building blocks of matter and sharpen their problem-solving skills.

Chapter 5: The Fundamental Unit of Life

Cells are the basic building blocks of all living organisms, and this chapter explains how they form the structure and function of life. Chapter 5 covers important topics such as the discovery of the cell, cell structure, and the functions of various organelles like the nucleus, mitochondria, and endoplasmic reticulum. It also explains the differences between plant and animal cells. The exemplar solutions for this chapter provide clear explanations to help students understand each concept deeply and answer application-based questions with confidence.

Chapter 6: Tissues

In multicellular organisms, cells group together to perform specific functions, and this organization forms tissues. Chapter 6 explains how plant and animal tissues differ in structure and function, making complex body processes more efficient. The exemplar solutions for this chapter provide clear explanations to help students understand each concept deeply and answer application-based questions with confidence. It also includes topics like meristematic and permanent tissues in plants, connective and muscular tissues in animals, and their roles in maintaining body functions.

Chapter 7: Diversity in Living Organisms

The exemplar solutions help students to understand the concepts easily by explaining them in a simple and clear way. The chapter Diversity in Living Organisms includes important concepts such as the biological classification, the hierarchy of groups, and the characteristics used to classify them. It also covers topics like the five kingdoms of classification, features of major animal and plant groups, and how scientific naming helps in identifying organisms. These solutions make it easier for students to remember and apply what they learn in exams.

Chapter 8: Motion

Chapter 8 Motion explains how objects move and change their position over time, covering important concepts such as speed, velocity, and acceleration. NCERT Exemplar Solutions of Chapter 8 provide detailed explanations and step-by-step problem-solving methods that help students build a strong understanding of these ideas. The solutions also focus on how motion can be represented using graphs, which makes it easier to analyze and interpret real-life situations involving moving objects. This chapter plays a key role in developing a clear foundation in physics for students.

Chapter 9: Forces and Laws of Motion

The NCERT Exemplar Solutions of Chapter 9, Forces and Laws of Motion, explain the basic ideas about forces and how they affect the motion of objects. This chapter covers important concepts like different types of forces, Newton’s laws of motion, and how these laws explain everyday movements and interactions. The solutions provide clear explanations and step-by-step answers to help students understand the principles behind motion and force. It also highlights practical examples and problems that show how forces cause changes in speed and direction, making the chapter easier to grasp.

Chapter 10: Gravitation

Gravitation is a force that pulls objects toward each other, and this chapter explains how it works on Earth and in space. Chapter 10 covers important ideas like the universal law of gravitation, why objects fall to the ground, and how gravity keeps planets in orbit around the sun. NCERT Exemplar Solutions of Chapter 10 Gravitation provide simple explanations and step-by-step answers to help students understand these concepts clearly. It also highlights the role of gravity in everyday life and the universe, making the topic more relatable and easier to learn.

Chapter 11: Work and Energy

Exemplar solutions help students understand the concepts of work and energy in a clear and simple way. Chapter 11 Work and Energy explains how work is done when a force moves an object and introduces different forms of energy, such as kinetic and potential energy. NCERT Exemplar Solutions of Chapter 11 Work and Energy provide detailed answers and examples that make it easier for students to grasp these ideas. It also highlights the principle of conservation of energy and its importance in daily life and scientific applications.

Chapter 12: Sound

NCERT Exemplar Solutions of Chapter 12 Sound help students understand how sound is produced, travels, and is received by our ears. This chapter covers important topics like the nature of sound waves, their properties such as frequency and wavelength, and how sound travels through different media. The solutions explain these ideas clearly with step-by-step answers, making it easier for students to grasp the concepts. It also highlights how sound relates to everyday experiences, including echoes, noise pollution, and musical instruments, helping students connect theory with real life.

Chapter 13: Why Do We Fall Ill?

Chapter 13 Why Do We Fall Ill? explains the various reasons why people get sick and how the body responds to different diseases. It covers important topics such as infectious and non-infectious diseases, the role of germs like bacteria and viruses, and how diseases spread from one person to another. The solutions also focus on the importance of cleanliness, good nutrition, and proper healthcare in preventing illnesses and maintaining good health. This chapter helps students learn not only about diseases but also about ways to protect themselves and others from falling ill.

Chapter 14: Natural Resources

Exemplar solutions make it easier for students to grasp the ideas by breaking down the concepts in an easy and clear way. The chapter Natural Resources discusses different kinds of resources found in nature, how we use them, and why it is important to protect them. It also explains subjects like forests, water, soil, air, and minerals, along with how human activities impact these resources. These solutions help students build a clear understanding and get ready confidently for their exams.

Chapter 15: Improvement in Food Resources

To feed a large population, we need to grow more and better food. Chapter 15 explains how farmers can improve crops and take better care of animals to get more food in a healthy and safe way. The exemplar solutions for this chapter provide clear explanations to help students understand each concept deeply and answer application-based questions with confidence. It also includes topics like growing better crop varieties, using fertilizers and manure, proper watering methods, organic farming, and ways to improve milk, meat, and egg production.

NCERT Solution for Class 9 Subject Wise

Important Features of NCERT Exemplar Class 9 Science Solutions

  • The NCERT exemplar solutions for class 9 cover all chapters with topic-wise explanations for better understanding.
  • It has different types of questions, such as MCQs, short answers, long answers, and high-order thinking skills questions.
  • Diagrams, flow charts, and formulas are necessary for visual aid and better memory.
  • There are step-by-step answers that help students develop logical thinking and build a problem-solving approach.
  • They are prepared by subject experts to maximise accuracy and strictly follow the NCERT guidelines.

NCERT Exemplar Class 9 other subject solutions

How to Download NCERT Exemplar Solutions From the Official Website?

  1. Click on https://ncert.nic.in/exemplar-problems.php?ln=

  2. Select Class IX from the Exemplar Problem section.

  3. Click on the chapter.

  4. Download PDF.

Also, Check NCERT Books and NCERT Syllabus Here

Benefits or Features of NCERT Exemplar Class 9 Science Solutions

  1. The solutions help in building a solid foundation for higher-level science topics in class 10 and above.

  2. The questions are modified to develop problem-solving skills, needed for exams like NTSC, Olympiad, etc.

  3. The students also get to solve a variety of challenging questions that go beyond the basic textbook questions.

  4. The solutions are complete and detailed to help eliminate any kind of confusion in difficult topics.

  5. Students can prepare for challenging exam questions through consistent practice with exemplar questions and answers.

NCERT Notes for Class 9 Subject Wise

Frequently Asked Questions (FAQs)

1. Is NCERT Exemplar Class 10 science sufficient to prepare for school level examinations?

 Yes, the number of questions provided in the NCERT exemplar are sufficient to prepare for examinations.

2. Is NCERT Exemplar Class 10 Science useful for JEE Mains, JEE Advanced and NEET?

NCERT Exemplar questions are of good quality and provide the students with  thinking and analytical skills that helps in the preparation of competitive exams.

3. Is the NCERT science book and NCERT exemplar Class 10 Science questions similar?

The NCERT Exemplar questions are different from the NCERT book questions. Exemplar questions give a good number of different types of practice questions and NCERT books gives questions to check conceptual clarity.  

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A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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