CLASS 9 CHAPTER 5 THE FUNDAMENTAL UNIT OF LIFE Day 2 " Whenever you feel sad, just remember that there are trillions of cells in your body & all they care about is you!!" Dear Students, Welcome Back!😊 I hope you have completed your yesterday's assignment. This is our second class for this chapter. After this class, you will be able to: List the basic structural components of a cell. Explain the structure and function of the cell membrane. Distinguish between Hypotonic, Hypertonic & Isotonic solutions. Explain the structure and function of the cell wall. Note: Content written in blue should be recorded as notes in the Biology Notebook. Happy Learning!😊 Structural Organisation of Cell: General components present in every cell are: ( To be drawn in bio notebook) Plasma /Cell Membrane It is the outermost covering of the cell that separates cell contents from its external environment. It allows entry or exit o...
CLASS 9 CHAPTER 5 THE FUNDAMENTAL UNIT OF LIFE Day 1 "A Cell is regarded as the true biological Atom " - George Henry Lewes Dear Learners, Thank you for Logging in! You're wonderful!😊 Note: Content written in blue should be recorded as notes in the Biology Notebook. This is our first class for this chapter. At the end of it, you will be able to: 1. Recapitulate cell as the basic Structure and Functional unit of Life. 2. Distinguish between Unicellular & Multicellular Organisms. 3. Approximate different shapes & sizes of the cells. 4. Estimate about Microscopes & its Types. 5. Approximate Cell Theory . Happy Learning!😊 Introduction: Observe a few Living Creatures from your surroundings. It can be Plants, Birds, Insects, Animals, Microbes (Corona Virus) and even you! Let's take the example of Human Beings . Human Beings are further made up of: Human Being---->Dig...
Hello Learners, In the previous blog, we have discussed about the growth of plants. We are aware that the growth of plants occurs only in certain specific regions. This is because the dividing tissue known as Meristematic tissue is located at these points. We have also discussed about different types of Meristematic tissues and its location. Today, we will discuss more about Permanent Tissue of PLANT TISSUES. At the end of today's topic, learners will be able to (i) define permanent tissue. (ii) explain the importance of permanent tissue in the plant body. (iii) tell the location of permanent tissue in the plant body. (iv) draw the location of permanent tis sue in the plant body. (v) explain the diversity in epidermis layer. So, let us start our topic for today............ Permanent Tissues The cells which are differentiated to perform a specific function and have lost the ability to divide are called permanent tissues. This pro...
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