Biology Notes Form 1 (5)

For the preparation of national and local exams, get the entire biology Form 1 syllabus for free. These biology form 1 notes are aggregated from the various high school approved text books, including KLB biology form 1, Finder biology form 1, etc. The biology notes cover various topics, as shown below. 

The form 1 biological concepts that you can learn using our notes include;

  1. An Introduction to Biology
  2. Classification 1
  3. The cell
  4. Cell Physiology
  5. Nutrition in plants and animals 

You can get the notes for free without having to pay a cent on our Easy Elimu Study App, which you can get from the Google Playstore here

As a bonus, each topic has summarized notes, so you won’t have to stress over writing that mwakenya, which makes passing that summative biology form 1 term 3 exam easy. Whether it’s term 1, 2 or 3, these free biology form 1 summary notes will give you that grade A.

Chapter 1: Summarized notes on introduction to biology

To biology

This topic covers various subtopics including:

  • Definition of Biology - What is Biology?
  • Branches of Biology
  • Importance of biology
  • Characteristics of Living Organisms
    • Nutrition
    • Respiration
    • Gaseous Exchange
    • Excretion
    • Growth and Development
    • Reproduction
    • Irritability
    • Movement
  • Collection of Specimen
    • Sweep net
    • Fish net
    • Pooter
    • Bait trap
    • Pit fall trap
    • Pair of forceps
    • Specimen bottles
    • Magnifying lens
    • Precautions During Collection and Observation of Specimen
  • Comparison Between Plants and Animals

Chapter 2: Summarized notes on classification 1

 Kingdom 1

This topic covers various subtopics including;

  • Introduction
  • External features used in classification
    • External features of plants used in classification
    • External features of animals used in classification
  • Importance of Classification
  • Historical background of Classification
  • Taxonomic Units of Classification
  • Scientific Naming of Living Organisms
  • Rules of Binomial Nomenclature
    • Origin of Scientific Names

Chapter 3: Summarized notes on the cell

the cell

This topic covers various subtopics including;

  • Introduction
  • The Light Microscope
    • Parts of a Microscope
    • Handling and Care of the Microscope
    • How to use the Microscope
  • Cell Structures as seen under the Light and Electron Microscope
    • Cell Structure under Light Microscope
    • The Cell as seen under the Electron Microscope
  • Structure and Functions of the Cell Organelles
  • Comparison between Plant Cells and Animal Cells
  • Cell Specialization/Cell Differentiation
    • Tissues
    • Organs
    • Organ System

Chapter 4: Summarized notes on cell physiology

phisio 1

This topic covers various subtopics including;

  • Introduction
  • Structure of the Membrane
  • Properties of the cell membrane
  • Physiological Processes of the Cell membrane
  • Diffusion
    • Demonstration of the Process of Diffusion using Potassium Manganate (VII)
    • The Role of Diffusion in Living Organisms
    • Factors Affecting the Rate of Diffusion
  • Osmosis
    • Demonstration of Osmosis Using a Visking Tubing
    • Explanation of Osmosis, Osmotic Pressure & Osmotic Potential
    • Water Relations in Animals
    • Water Relations in Plants
    • Role of Osmosis in Organisms
    • Factors Affecting the Rate of Osmosis
  • Active Transport
    • Role of active transport in living organisms
    • Factors affecting the rate of Active Transport

Chapter 5: Summarized notes on nutrition in plants and animals


This topic covers various subtopics including;

  • Introduction
    • Modes of Nutrition
  • Autotropism
    • Importance of Photosynthesis
    • External Leaf Structure
    • Internal Leaf Structure
    • Adaptations of the Leaf to Photosynthesis
    • Raw Materials for Photosynthesis
    • Conditions for Photosynthesis
    • Photosynthesis Process
    • Testing for Starch in a Leaf
    • Factors Affecting the Rate of Photosynthesis
    • Experiment to Investigate the Gas Produced During Photosynthesis
    • Experiments on Factors Necessary for Photosynthesis
  • Chemicals of Life
    • Carbohydrates
    • Lipids
    • Proteins
    • Enzymes
  • Heterotrophism
    • Modes of Heterotrophism
    • Dentition
    • Classes of Holozoic Heterotrophs
    • Dental Formula
    • Dental Diseases
    • Dental Hygiene
  • Digestion
    • Digestion in the Mouth
    • Digestion in the Stomach
    • Digestion in the Ileum
    • Absorption
    • Egestion
    • Assimilation
  • Importance of Vitamins, Mineral Salts, Roughage and Water in Human Nutrition
  • Factors affecting energy requirements in humans