# NCERT Exemplar Class 9 Science Problems with Solutions

## NCERT Exemplar Class 9 Science Solutions with Problems – Download Free PDF

The NCERT Exemplar Solution for Class 9 Science is an important study material. In Class 9 Science, many new topics, such as Tissues, Motion, Sound, and Gravity, are added. To score good marks in the Class 9 Science exam, students should solve as many questions as possible. Solving different types of questions from every chapter will help them to understand the subject in a better way. NCERT Exemplar for Class 9 has a set of questions on different difficulty levels. The questions prepared are in such a way that students are tested in all possible ways.

To help students with easy preparation techniques, we have provided NCERT Class 9 Science Exemplar Solutions. This study material will give them an idea of the types of questions asked in the final exam. So it is advised to solve NCERT Exemplar questions before appearing for the Science exam. The NCERT Exemplar Class 9 Science problems and solutions can be checked from the links given below.

## NCERT Exemplar Solutions for Class 9 Science Chapters Description

The below section summarises all chapters in the NCERT Exemplar Class 9 Science. Practising NCERT Exemplar solutions would undoubtedly assist students in achieving good marks in the examination.

### Chapter 1 – Matter in Our Surroundings

Chapter 1 of NCERT Exemplar Solutions deals with the physical nature of matter, the matter is made up of particles, how small are these particles of matter, particles of matter are continuously moving, characteristics of particles of matter, particles of matter have space between them, particles of matter attract each other, states of matter, the liquid state, the solid state, the gaseous state, can matter change its state, effect of change of temperature, effect of change of pressure, evaporation, factors affecting evaporation and how does evaporation cause cooling. Here, you can find the solution for topics covered in this chapter.

### Chapter 2 – Is Matter around Us Pure

Chapter 2, Is Matter around Us Pure of NCERT Exemplar Solutions for 9 Science, gives an account of various topics such as the definition, what is a mixture and its types, solution definition and its properties, concentration of solution, definition of suspension and its properties, meaning of colloidal solution and its properties, separation of components of mixtures, acquiring coloured components from â€“ black/blue ink, separation of cream from milk, separating 2 immiscible liquids, separating colours (dyes) in black ink, separating a mixture of 2 miscible liquids, acquiring different gases from the air, chemical and physical changes and types of pure substances. Moreover, in this chapter, students get to learn how to differentiate between compounds and mixtures.

### Chapter 3 – Atoms and Molecules

In Chapter 3 of the NCERT Exemplar textbook, we shall see the definition of laws of chemical combination, the law of conservation of mass, the law of constant proportions, what is an atom, what are the modern-day symbols of atoms of different elements, atomic mass, how do atoms exist, what is a molecule, molecules of elements, molecules of compounds, what is an ion, writing chemical formulae, formulae of simple compounds, molecular mass and mole concept, molecular mass and formula unit mass.

### Chapter 4 – Structure of the Atom

Chapter 4 of NCERT Exemplar Solutions for Class 9 Science discusses the structure of the atom. Students will get to learn about the charged particles in matter, the structure of an atom, Thomsonâ€™s model of an atom, Rutherfordâ€™s model of an atom, Bohrâ€™s model of atom, neutrons, how are electrons distributed in different orbits (shells), valency, atomic number and mass number, isotopes and isobars.

### Chapter 5 – The Fundamental Unit of Life

Chapter 5 of NCERT Exemplar Solutions for Class 9 Science starts with the definitions of the fundamental unit of life. Students go on to learn about what living organisms are made up of, what are these structures, what is the cell made up of, what is the structural organisation of a cell, plasma membrane or cell membrane, cell wall, nucleus, cytoplasm, endoplasmic, reticulum, cell organelles, Golgi apparatus, lysosomes, mitochondria, plastids and vacuoles. Here, students can see the answers explaining these concepts properly with solutions.Â

### Chapter 6 – Tissues

In Chapter 6, students will learn about plants and animals made of the same types of tissues, plant tissues, meristematic tissue, permanent tissue, animal tissues, epithelial tissue, connective tissue, muscular tissue and nervous tissue.

### Chapter 7 – Diversity in Living Organisms

This chapter is about the diversity in living organisms. The chapter discusses the introduction to taxonomy, classification, the importance of classification, basis of classification, classification system, 5 kingdom classification, 2 kingdom classification, order of classification, types of cellular organisation, body organisation, method of obtaining food, 5 kingdom classification â€“ Fungi, Monera, Protista, Animalia, Plantae, Porifera or Sponges, Coelenterata, Mollusca, Arthropoda, Echinodermata, Protochordata, Nematoda, Vertebrata, cold blood organisms, warmblood organisms, Pisces, Amphibia, Reptilia, Aves, Mammalia, nomenclature and conventions in writing scientific names.

### Chapter 8 – Motion

Chapter 8 of NCERT Exemplar Solutions for Class 9 Science deals with the introduction to motion, speed, velocity, distance and displacement, uniform and non-uniform motion, equations of motion and uniform circular motion. By practising these solutions, students will be thorough with the basics of Physics.

### Chapter 9 – Force and Laws of Motion

In this chapter, students are introduced to the balanced and unbalanced forces. The concepts covered in this chapter are the first law of motion, inertia and mass, the second law of motion, the mathematical formulation of the second law of motion, the third law of motion and the conservation of momentum.

### Chapter 10 – Gravitation

In this chapter, students get familiarised with gravitation. Important topics of this chapter are the importance of the universal law of gravitation to calculate the value of g, the motion of objects under the influence of the gravitational force of the mass-weight, the weight of an object on the moon, thrust and pressure, pressure in fluids, buoyancy, why objects float or sink when placed on the surface of the water, Archimedes’ principle and relative density. By going through them, students can easily get to know how the questions are being answered.

### Chapter 11 – Work and Energy

Chapter 11 of NCERT Exemplar Class 9 Science Solutions discusses the concept of work. Students get to learn about the concept of not much â€˜workâ€™ in spite of working hard, the scientific conception of work, work was done by a constant force, energy, forms of energy, kinetic energy, potential energy, the potential energy of an object at a height, are various energy forms interconvertible, the law of conservation of energy, the rate of doing work and commercial unit of energy.

### Chapter 12 – Sound

In Chapter 12, students will learn about Sound. This chapter also deals with the production of sounds, propagation of sound, sound waves are longitudinal waves, characteristics of the sound wave, the pace of sound in different media, reflection of sound, echo, reverberation, range of hearing, applications of ultrasound, sonar and structure of the human ear. Here, we have given solutions based on these topics from the chapter.

### Chapter 13 – Why Do We Fall Ill?

Learn about health and more in Chapter 13 of NCERT Exemplar Class 9 Science textbook. Other subtopics include the significance of â€˜healthâ€™, personal and community issues – both matter for health, distinctions between â€˜healthyâ€™ and â€˜disease-freeâ€™, disease and its causes, what disease looks like, acute and chronic diseases, chronic diseases and poor health, causes of diseases, infectious and non-infectious causes, infectious diseases, infectious agents, means of spread, organ-specific and tissue-specific manifestations, principles of treatment and principles of prevention.

### Chapter 14 – Natural Resources

This chapter deals with natural resources. In this chapter, students will get to know about the breath of life: air, the role of the atmosphere in climate control, the movement of air: wind, rain, air pollution, water: a wonder liquid, water pollution, mineral riches in the soil, biogeochemical cycles, the water cycle, the nitrogen cycle, the carbon cycle, the oxygen cycle and ozone layer.

### Chapter 15 – Improvement in Food Resources

In Chapter 15 of the NCERT Exemplar textbook, we continue discussions on improvement in food resources, starting with the definition, improvement in crop yields, crop variety improvement, crop production management, crop protection management, animal husbandry, cattle farming, poultry farming, fish production and bee-keeping.

You can also access and download NCERT Class 9 Books and NCERT Solution Class 9 Science here.

## Some Benefits of Using NCERT Exemplar Class 9 Science Solutions

• In-depth concepts: Students who refer to the Class 9 Science NCERT Exemplar will find help with an in-depth understanding of all the Science concepts in Class 9.
• Easy to study: The language used in the exemplar is not complicated and is very easy to understand. Doubts associated with any complex topic will be cleared if students study meticulously.
• Syllabus as per the CBSE: The NCERT Exemplar is provided by the NCERT and follows the CBSE curriculum.
• JEE: This study material will not only help you prepare for the board exam but also for competitive exams, such as JEE.

Visit BYJU’S for the latest NCERT study materials, CBSE sample papers and question papers.

## Frequently Asked Questions on NCERT Exemplar Solutions for Class 9 Science

Q1

### How do BYJUâ€™S NCERT Exemplar Solutions for Class 9 Science help students to score good marks in the final exam?

The subject matter specialists at BYJUâ€™S have framed NCERT Exemplar Solutions in accordance with the syllabus designed by the CBSE board. The essential explanation is provided for major points to make the concepts easier for students to learn. Both chapter-wise and exercise-wise solutions are designed with the aim of helping students to ace the exam without fear. The solutions mainly help them to improve their problem-solving abilities, which are important for the annual exam.
Q2

### How to master the concepts using the NCERT Exemplar Solutions for Class 9 Science?

Students who are seeking shortcut tips and tricks to master the concepts can make use of NCERT Exemplar Solutions for Class 9 Science at BYJUâ€™S. These solutions will help in solving the textbook questions and preparing effectively for the final exam. Referring to these solution PDFs, students will be able to understand the other methods of answering the questions without any difficulty.
Q3

### Are NCERT Exemplar Solutions for Class 9 Science the best reference materials for students?

NCERT Exemplar books are considered to be one of the best reference materials for students of Class 9. Cramming will not help students to score well in the annual exam. So, conceptual understanding is very much important in order to ace the exam without fear. Ample time should be spent solving textbook problems on a daily basis. This will help students to realise the types of problems that may appear in the final exam and work on them for a better academic score.
Q4

### Where can I download NCERT Exemplar Solutions for Class 9 Science?

Class 9 is a major step in a studentâ€™s life, as the class lays the foundation for Class 10. Students can refer to the solutions of Class 9 in online mode or download and refer to them while solving the textbook problems to score good marks in exams. The chapter-wise PDF links are provided at BYJUâ€™S with a free download option to help students access solutions at any time.