The second chapter, "Cell- the fundamental unit of life", talks about the basic unit of all living organisms: a cell. All the organisms in this world are either unicellular or multi-cellular. The cell is a functional and structural unit of all living organisms and maintains its functions. Here in this chapter, we study the different parts that are inside a cell. Along with the different organelles of the cell, we also learn about their functions, shape, and size. This particular lesson deals with the different kinds of cells and their structures present in plants and animals.
The students get to learn about the cell organelles and whether they are single-walled or double-walled. The chapter gives comprehensive knowledge about how a cell works and how the cell organelles perform various functions from protein synthesis to energy generation so that the cell remains healthy and the organism (unicellular or multi-cellular) remains healthy as well.
This chapter is designed in a way that comprises questions of all forms. It includes short, very short, long, fill in the blanks, and Multiple Choice Questions. The chapters also include pictures and diagrams that explain the concepts better and make the chapter interesting to not get bored while studying it. Lakhmir Singh Solutions For Class 9 Biology is designed to comply with the chapters as per the CBSE curriculum. The student needs to read the textbook first and then go through all the solutions provided by the Aakash Institute. It will prepare them for the upcoming examination and imbue them with confidence. The solutions are prepared by professionals and experienced teachers who write the answers in simple and easy words that all the students can understand. This book creates a wide variety of ideas for the students. It has clear concepts on the fundamentals that will help them pursue higher education.