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Lakhmir Singh Biology Class 9 Solutions

Lakhmir Singh Class 9 Biology Solutions are essential to score full marks in the exams. Class 9 Biology syllabus consists of all the basic concepts that will help you further in higher classes. Especially, if you are planning to opt for the medical field in class 11 and class 12 then, you must study all the chapters from Lakhmir Singh Solutions and solve all the questions thoroughly. 

Lakhmir Singh Class 9 Biology book includes 6 chapters with more than 200 questions to practice. Get ready to study about the diversity in living organisms, how different organisms on the earth are classified, what are tissues, what are communicable and non-communicable diseases, food resources, crop production, natural resources and a lot more in class 9 biology subject. But, studying these topics will not prepare you well for your exams. You need to solve the questions related to these topics. 

Lakhmir Singh and Manjit Kaur Solutions for Class 9 Biology will help you understand the important questions from all the chapters of the book. We have included chapter-wise solutions where you can look for answers to any question of the chapter instantly. This will make it much easier for you to study the chapters and complete your biology syllabus before exams. Find clear explanations, step-wise solutions, supporting diagrams and flowcharts in the Lakhmir Singh solutions for class 9 biology chapters by Instasolv.

Class 9

Chapter-Wise Lakhmir Singh Solutions for Class 9 Biology

There are 6 chapters in the Lakhmir Singh and Manjit Kaur Class 9 Biology book, The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, and Improvement in Food Resources. You must understand the entire chapter well so that you can easily solve all the questions and prepare well for your science exam. 

Here is an overview of all the chapters of the Class 9 Biology book along with a discussion on the type of questions related to each chapter. 

Lakhmir Singh Class 9 Biology Solutions Chapter 1: The Fundamental Unit of Life

Chapter 1 will teach you about the fundamental unit of life which is ‘cell’. With some experiments, it was shown that a cell is a small unit. Later, it was concluded that living things do contain separate units. You are a living organism and you should know how you are made. Humans are made of cells and you will study the structure of cells in this chapter. 

Lakhmir Singh Class 9 Biology Solutions Chapter 2: Tissues

In the earlier chapter, you would have learned that any living organism is made of cells. In a human body, different groups of cells perform together to carry out a function in the body. The group of cells who work together to achieve the main function is known as tissues. Also, you will know if the plants and animals are made of the same tissue type. Different types of plant tissues are:

  • Meristematic Tissue
  • Permanent tissue and its types

Different types of animal tissues:

  • Epithelial Tissue
  • Connectivity Tissue
  • Muscular Tissue
  • Nervous Tissue

Lakhmir Singh Class 9 Biology Solutions Chapter 3: Diversity in Living Organisms

This chapter will guide you about the diversity in living organisms and how we all are different from each other. You will learn about all the living forms that exist on earth. You will study what is the basis of classification, the hierarchy of classification, etc. The living organisms are classified on the basis of five-kingdom classification that is:

  • Monera
  • Protista
  • Fungi 
  • Plantae
  • Animalia 

Plantae and Animalia are then classified into further subdivisions. 

The plants are divided into the following five groups:

  • Thallophytes
  • Bryophytes
  • Pteridophytes
  • Gymnosperms
  • Angiosperms

Animals are also divided into ten groups as follows:

  • Porifera
  • Coelenterata
  • Platyhelminthes
  • Nematoda
  • Annelida
  • Arthropoda
  • Mollusca
  • Echinodermata
  • Protochordate
  • Vertebrata

Lakhmir Singh Class 9 Biology Solutions Chapter 4: Why Do We fall Ill

This chapter explains to us why we fall ill. We all know that diseases affect our body and can deteriorate our health. Diseases can hinder the proper functioning of our body organs which further causes many issues. For instance, if one of our kidneys fails, the poisonous substances will accumulate in the body which will eventually make us ill. 

The chapter teaches you about the significance of health, personal and community issues for health, the difference between healthy and disease-free, disease and its cause, acute and chronic diseases, chronic disease and poor health, causes of disease, infectious and non-infectious diseases, infectious agents and how they spread, and principles of treatment and infection. 

Lakhmir Singh Class 9 Biology Solutions Chapter 5: Natural Resources

Chapter 9 will teach you everything about natural resources. You must know that the Earth is the only planet that has life. Life on earth is entirely dependent on different factors. The basic requirements of all the life forms on earth are energy from sunlight and resources available on earth. 

Firstly, you will get to know all the resources available on earth. You will learn everything about the air, how the atmosphere plays a role in controlling climate, the movement of air, the role of rain, pollution, and its types, water, and its pollution, minerals riches in the soil, biogeochemical cycles and much more. 

Lakhmir Singh Class 9 Biology Solutions Chapter 6: Improvement in Food Resources

Chapter 6 is going to discuss the improvement required in the food resources. Every living being on this earth needs food to survive. The food we all obtain is from agriculture and animal husbandry. But why is it necessary to improve production in the agriculture industry. Why we cannot keep on having the produced food? It is necessary for the crops and livestock to be pure and healthy. 

The topics covered in the chapter are improvement in crop yields, crop production management, nutrient management, fertilizers, irrigation, crop protection management, etc. in animal husbandry, you will know about cattle and poultry farming, egg and broiler production, fish production, beekeeping, etc. 

Benefits of Lakhmir Singh Class 9 Solutions for Biology

The Lakhmir Singh and manjit Kaur Solutions for biology class 9 is a perfect reference if you have been facing issues in finding the right solutions to all the questions. Instasolv has the best subject matter experts who have designed the answers in a manner that you can easily understand.

From the basics to advanced information about the particular topic, you won’t lack information if you keep hold on to the chapter till the end. It will then be easy for you to solve the exercises. But if you face the issues furthermore, you can refer to the Lakhmir Singh and Manjit Kaur solutions for class 9 biology.