This unit includes the origin of life on earth and the vast diversity in the living world, and also to group them together at various classification levels. It also includes the concepts and theories of evolution; the cell as the basic unit of life and its organization into various forms of tissues.

1. Origin and Evolution of Life

  1. Chemosynthetic Theory of Origin of Life
  2. Probable Stages in Origin of Life
  3. Theory of Organic Evolution
  4. Darwin’s Theory of Natural Selection
  5. Elemental Forces of Organic Evolution
  6. Speciation

2. Classification of Organisms

  1. Taxonomic Categories
  2. Prokaryotes and Eukaryotes
  3. Five Kingdoms of Organisms

2.1. Kingdom Monera

  1. Kingdom Monera
  2. Structure of Bacterial Cell
  3. General Body Functions of Bacteria
  4. Beneficial and Harmful Bacteria
  5. Cyanobacteria

2.2. Kingdom Protoctista

  1. Kingdom Protoctista

2.3. Kingdom Fungi

  1. Characteristics of Fungi
  2. Kinds of Fungi
  3. Harmful and Beneficial Fungi

2.4. Kingdom Plantae

Main Divisions of Kingdom Plantae

  1. Bryophyta
  2. Pteridophyta
  3. Spermatophyta

2.5. Kingdom Animalia

  1. Basis of Classification of Animals
  2. Phylum Porifera
  3. Phylum Cnidaria
  4. Phylum Platyhelminthes
  5. Phylum Aschehelminthes
  6. Phylum Annelida
  7. Phylum Arthropoda
  8. Phylum Mollusca
  9. Phylum Echinodermata
  10. Phylum Chordata

3. Cells

  1. Cell Theory
  2. Types of Cells
  3. Components of Cell
  4. Molecules of Cell
  5. Cell Division

4. Tissues

  1. What is a Tissue
  2. Plant Tissues
  3. Animal Tissues