Lakhmir Singh Biology Class 9 Solutions The Fundamental Unit of Life Cell (Chapter 2)

Lakhmir Singh and Manjit Kaur Solutions, for Class 9 Biology Chapter 2, will help you understand each and everything of the chapter. You can now easily prepare for your Biology CBSE exam using the best Lakhmir Singh Solutions prepared by our experts. You will find clear explanations, and will also be able to complete the syllabus way before exams so that you have enough time for the further revision.

Chapter 2 of Lakhmir Singh Biology Book gives you detailed information about what makes living organisms? An experiment was carried out to find this which concluded that living things consist of small units. The term ‘Cell’ was then used to describe these small units. This chapter is going to cover different topics like the structure of cells, plasma or cell membrane, cell wall, nucleus, cytoplasm, cell organelles, endoplasmic reticulum, lysosomes, mitochondria, plastids, etc.

This chapter has several exercises that range from basic to advanced level. Lakhmir Singh and Manjit Kaur Solutions, for Class 9 Biology Chapter 2, are perfect as all your doubts will fly away within minutes. All you need is devote proper time to your studies to understand every topic of the chapter in a detailed manner. Our team is proficient enough to solve all of your doubts as we have the best Biology subject matter experts from India.

Important Topics in Lakhmir Singh and Manjit Kaur Solutions for Class 9 Biology Chapter 2

Lakhmir Singh Biology Book Chapter 2 is going to tell you everything about living organisms. All you need is proper dedication towards the chapter to understand each and every concept of the chapter. Different topics will elaborate you everything about the cell. There are many topics covered in the chapter which are mentioned below:

What are the structures of units that make living organisms?

With an experiment, Robert Hooke discovered cells. You will learn about different organisms like unicellular organisms, etc. Each living cell performs a certain function in the body of a living organism. You will know further in the chapter about how a living cell performs its basic functions? You should know everything in detail so that you can later answer every question properly.

What is a cell made up of and what is its organizational structure?

In the chapter, you will know that cells contain some special components known as organelles. If you will test a cell under a microscope, you will be able to see the organizational structure of a cell. In every cell, you will know that the cell consists of three features which are plasma membrane, nucleus and cytoplasm. 

After studying this, you will know everything in detail about plasma membrane or the cell membrane, cell wall, nucleus, cytoplasm, cell organelles, endoplasmic reticulum, Golgi apparatus, lysosomes, vacuoles, etc. Our Lakhmir Singh Class 9 Biology Solutions Chapter 2, contain diagrammatic representations of all these.

Also, at the end of the chapter, you get a short summary that helps you to revise the chapter properly. This summary also contains some important points that you should surely keep in your mind.

Some important points to remember about the chapter:

  • The fundamental unit of life is the cell. 
  • In plants, cell walls compose cellulose that is located outside the cell membrane. 
  • The cell walls are necessary as it enables the cells of the plants, bacteria and fungi to exist in hypotonic media without bursting. 
  • The nucleus in eukaryotes is separated from the cytoplasm by a double-layered membrane that directs the life process of a cell. 
  • Most of the plant cells have large membranous organelles which are known as plastids. 
  • Chromoplasts and leucoplasts are two different types of plastids. 
  • Chromoplasts contain chlorophyll and perform photosynthesis while the main function of leucoplasts is storage. 
  • Prokaryotic cells do not have membrane-bound organelles. They have chromosomes that contain nucleic acid. Also, they have small ribosomes as organelles.

Benefits of Lakhmir Singh and Manjit Kaur Solutions for Class 9 Biology Chapter 2 by Instasolv

Class 9 is a bit difficult as you are introduced to various new topics. Also, this class is very important as it builds your base for class 10 board exams. To understand the chapter with proper reasoning, you need proper time and a good mentor to score good marks. Instasolv team has the professional experts who are ready to solve your queries 24×7. Lakhmir Singh Solutions for Class 9 Biology Chapter 2, are going to be a good companion during your study time.