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Xam Idea Class 9 Science Solutions

Xam Idea Class 9 Science Solutions cover all the topics of Class 9 Science Syllabus in a comprehensive manner. The topics covered in Xam Idea Class 9 Science book as include matter in our surrounding and whether it is pure or not, atoms and molecules, the structure of the atom, the fundamentals of a unit of life, tissues, diversity in the living organism, motion, force and laws of motion, gravitation, floatation, work and energy, sound, diseases in human beings, natural resources and improvement in food resources.

Xam Idea Class 9 Solutions for Science cover all the exercises and problems given along with the important questions from previous year question papers and sample papers. The answers are carefully written with diagrams and illustrations so that you can visualise the concepts properly. It is the most effective study material that helps you to score well in the exams.

Xam Idea Solutions for Class 9 Science cover all concepts and answer all questions from all chapters in an easy to understand language, and in a stepwise manner to help you learn effectively. They have been designed to offer you an ample amount of practice questions to ensure that you are fully conceptually clear. It also helps you build a sound conceptual foundation to learn more complex concepts in higher classes. Our solutions act as the perfect guide for learning and revising during your exams.

Class 9

Xam Idea Class 9 Science Solutions: Chapter-wise

The topics covered in Xam Idea Class 9 Solutions for Science comprise of 16 chapters which are discussed below. The questions asked in this book are of the following types – very short answer questions (VSAQ), short answer questions (SAQ), long answer questions (LAQ), higher-order thinking skills questions (HOTS), and value-based questions (VBQs). 

Xam Idea Class 9 Science Chapter 1 (Matter in Our Surrounding) Solutions

The 1st chapter of Xam Idea Class 9 Science is matter in our surrounding. It tells you that everything that we see around us is made up of matter. Matter occupies space, has mass and different physical and chemical nature. This chapter tells you about the physical properties of matter. It also tells you that the matter is made up of small particles that have space between them, they move continuously and also attract each other. It also discusses how matter can be divided into three different states – solid, liquid, and gases, and that the different states of matter are interconvertible. Different characteristics of the particles of matter cause variation in the states of matter. 

Further, you come to know about the process of evaporation and that the rate of evaporation depends largely upon the surface area exposed to the atmosphere, the temperature, the humidity, and the wind speed. This chapter consists of 14 VSAQs, 28 SAQs, 5 LAQs, 7 HOTS, and 2 VBQs. 

Xam Idea Class 9 Science Chapter 2 (Is Matter Around Us Pure) Solutions

Chapter 2 of Xam Idea Class 9 Science book tells you about the mixture, types of mixtures, solution, properties of solutions, the concentration of solutions, suspensions and colloidal solutions. Further, you learn about the separation of components of mixtures. You learn to separate components of the ink, milk, a mixture of two immiscible liquids, a mixture of salt and ammonium chloride, and a mixture of two miscible liquids. 

Next, you learn how to obtain different gases from the air and how to obtain pure copper sulphate from an impure sample. Next, you learn about physical and chemical changes, compounds, and their properties, the difference between mixtures and compounds, elements, and classification of matter. Here you come across 15 VSAQs, 24 SAQs, 11 LAQs, 7 HOTS, and 3 VBQs.

Xam Idea Class 9 Science Chapter 3 (Atoms and Molecules) Solutions

In this chapter of Xam Idea Class 9 Science Solutions, you will learn about the laws of chemical combination, the law of conservation of mass and law of constant proportions. Next, you learn what atoms and its modern-day symbols represent different elements are, atomic mass and how atoms exist. 

Next, you learn about molecules, molecules of an element, and molecules of compounds. Further, you learn what an ion is and how to write a chemical formula of simple compounds. Then you learn all about molecular mass, mole concepts, and formula unit mass. This chapter consists of 10 VSAQs, 22 SAQs, 16 LAQs, 4 HOTS, and 1 VBQs.

Xam Idea Class 9 Science Chapter 4 (Structure of the Atom) Solutions

Chapter 4 of Xam Idea Class 9 Science book deals with the various atomic models of atoms that were proposed by different scientists. You learn about charged particles in matter, the structure of an atom, Thomson’s model, Rutherford’s model, and Bohr’s model of an atom. You also learn about neutrons, how electrons are distributed in different orbits or shells, valency, atomic number, and mass number, isotopes and isobars. You will find 20 VSAQs, 27 SAQs, 7 LAQs, 7 HOTS, and 2 VBQs.

Xam Idea Class 9 Science Chapter 5 (The Fundamental of Unit of Life) Solutions

Chapter 5 from the Biology portion of the syllabus. In this chapter, you will come to know that cells are the fundamental unit of all living organisms. You further learn what are cells made up of and what is the structural organisation of a cell. You also learn about the plasma membrane, cell wall, nucleus, cytoplasm, organelles, and structure of an animal cell. This chapter has 32 VSAQs, 31 SAQs, 4 LAQs, 6 HOTS, and 1 VBQ for the purpose of practice.

Xam Idea Class 9 Science Chapter 6 (Tissues) Solutions

Chapter 6 of Xam Idea Class 9 Science Solutions explains the basic definition of tissue and then elaborates on the plant and animal tissues with proper diagrams. You learn that meristematic tissue and permanent tissue are the two types of plant tissues. Next, you learn about the different types of animal tissues, which are epithelial tissue, connective tissue, muscular tissue, and nervous tissue, with a detailed explanation of each. This chapter has 28 VSAQs, 15 SAQs, 14 LAQs, 5 HOTS, and 1 VBQ.

 Xam Idea Class 9 Science Chapter 7 (Diversity in Living Organism) Solutions

This chapter deals with the classification systems of plants and animals. You get to know about the basis of classification, evolution, and the hierarchy of classification called groups. Further, you get to know that all living organisms are divided into 5 kingdoms, namely Monera, Protista, Fungi, Plantae, and Animalia. The group Plantae is divided into thallophyta, Bryophyta, Pteridophyta, gymnosperms, and angiosperms. 

Furthermore, you will also learn that the group Animalia is divided into Porifera, Coelenterata, Platyhelminthes, Nematoda, Annelida, Arthropoda, Mollusca, Echinodermata, Protochordata, Vertebrata, and their nomenclature. You will get 43 VSAQs, 38 SAQs, 17 LAQs, 6 HOTS, and 5 VBQs for practice. Our Xam Idea Class 9 Solutions answer all questions in a stepwise, precise and accurate manner.

 Xam Idea Class 9 Science Chapter 8 (Motion) Solutions

Chapter 8 of Xam Idea Class 9 Science teaches you about motion, distance, displacement, speed, velocity, graphical representation of motion, rate of change of velocity. Next, you learn about the 3 equations of motion. This important chapter from physics consists of 24 VSAQs, 16 SAQs, 5 LAQs, 4 HOTS, and 4 VBQs. Our Xam Idea Class 9 Solutions answer all questions comprehensively and in an easy to understand language. 

Xam Idea Class 9 Science Chapter 9 (Force and Laws of Motion) Solutions

Force and Laws of Motion chapter teaches you the three laws of motions with the help of diagrams and examples. The laws of motion are as follows – First law of motion says that an object continues being in a state of rest or uniform motion along a straight line unless acted upon by an unbalanced force. The second law of motion says that the rate of change of momentum of an object is proportional to the applied force in the direction of the force and finally the third law of motion conveys that to every action, there is an equal and opposite reaction and they act on two different bodies. 

You also learn the mathematical formulation of the second law of motion. This chapter consists of 28 VSAQs, 18 SAQs, 5 LAQs, 5 HOTS, and 1 VBQ.

Xam Idea Class 9 Science Chapter 10 (Gravitation) Solutions

Gravitation chapter of Xam Idea Class 9 Science book explains the universal law of gravitation and its importance, to calculate the value of g, free fall, motion of objects under the influence of the gravitational force of the earth, mass. Then you come to know about weight, the weight of an object on the moon. This chapter has 21 VSAQs, 12 SAQs, 4 LAQs, 5 HOTS, and 1 VBQ.

 Xam Idea Class 9 Science Chapter 11 (Floatation) Solutions

In this chapter, you learn the concepts of thrust and pressure, pressure in fluids, buoyancy, and reason for floating of objects on the surface of the water, Archimedes’ principle, and relative density. There are 11 VSAQs, 16 SAQs, 3 LAQs, 11 HOTS, and 3 VBQs in this chapter.

Xam Idea Class 9 Science Chapter 12 (Work and Energy) Solutions

This chapter of Xam Idea Class 9 Science defines the concept of work with different activities and examples. You learn what work is, what are the conditions of actual work done, scientific conception of work, work done by a constant force. The chapter also explains energy and its different forms, which are kinetic energy, potential energy, the potential energy of an object placed at any height. Then you come to know if various energy forms are interconvertible and law of conservation of energy. 

At last, the chapter discusses the rate of doing the work and commercial unit of energy. You will get to solve 23 VSAQs, 20 SAQs, 6 LAQs, 4 HOTS, and 5 VBQs in this chapter. 

Xam Idea Class 9 Science Chapter 13 (Sound) Solutions

Sound chapter teaches you all the concepts about sound like production of sound, propagation of sound, and that sound needs a medium of travel, and sound waves are longitudinal waves. You also learn about the characteristics of a sound wave and speed of sound in different media. Next, you learn about the reflection of sound, echo, reverberation, uses of multiple reflections of sound, range of hearing, applications of ultrasound, the structure of the human ear, and SONAR. This chapter contains 14 VSAQs, 19 SAQs, 3 LAQs, 4 HOTS, and 3 VBQs. Our Xam Idea Class 9 Solutions help you learn and revise quickly and efficiently during your exams. 

Xam Idea Class 9 Science Chapter 14 (Why Do We Fall Ill) Solutions

Chapter 14 of Xam Idea Class 9 Science Solutions deals with health issues and different types of diseases in human beings. It covers the information about health, failure of health, the importance of health, distinctions between healthy and disease-free, and that personal and community issues both matter for health.  

Next, you learn about the disease and its causes, what are diseases, chronic and acute diseases, poor health due to chronic diseases, causes of diseases, infectious diseases, and non-infectious diseases. Further, you learn more about infectious diseases, infectious agents, means of spread, organ-specific and tissue-specific manifestations, principles of treatment, and prevention. There are 42 VSAQs, 41 SAQs, 9 LAQs, 7 HOTS, and 12 VBQs.

Xam Idea Class 9 Science Chapter 15 (Natural Resources) Solutions

This chapter of Xam Idea Class 9 Science tells you how blessed we are to have natural resources. You learn the topics like air as a breath of life, the role of the atmosphere in climate control, the movement of air – winds, rain, and air pollution. This chapter further teaches you about water as a wonder of liquid and water pollution. Next, you learn about soil, mineral riches in the soil, biogeochemical cycles like the water cycle, nitrogen cycle, carbon cycle, and oxygen cycle, and finally, the ozone layer. This chapter consists of 29 VSAQs, 47 SAQs, 11 LAQs, 11 HOTS, and 10 VBQs.

Xam Idea Class 9 Science Chapter 16 (Improvement in Food Resources) Solutions

The last chapter of the book talks about crop variety improvement, use of manure, fertiliser, storage of grains, crop production management, and crop protection management. You further learn about animal husbandry, cattle farming, poultry farming, fish production, and beekeeping. This chapter consists of 33 VSAQs, 36 SAQs, 8 LAQs, and 6 HOTS. Our smart and systematic Xam Idea Class 9 Solutions give you ample amounts of practice questions that help you easily become thorough with the chapter.