Branches of Biology



  1. Botany: It deals with the study of plants.
  2. Zoology: It deals with the study of animals.
  3. Microbiology: It deals with the study of micro-organisms.
  4. Taxonomy: It deals with the identification nomenclature and classification of the living organisms.
  5. Morphology: It deals with the study of external structure and form of living organisms.
  6. Anatomy: It deals with the study of the gross internal structure of living organisms with naked eyes.
  7. Histology: It deals with the study of the minute structures of the tissue with the help of microscopes.
  8. Cytology: It deals with the study of form and detailed structure of individual cells.
  9. Physiology: It deals with functioning of the organisms E.g. Digestion, excretion, growth etc.
  10. Embryology: It deals with the study of changes or events leading to fertilization and development of embryo.
  11. Ecology: It deals with the study of changes or events on environment that influences the living organisms.
  12. Evolution: It deals with the study of modern form of organisms from primitive and simpler forms.
  13. Genetics: It deals with the study of heredity and variation in living organisms.
  14. Paleontology: It deals with the study of life at it exists in the past, based on the fossil remains of prehistoric organisms.
  15. Anthropology: It deals with the study of origin, development, cultural and social condition and customs of present and past races of mankind.
  16. Exobiology: It deals with the study of possibility of life in outer space.
  17. Applied Biology: It deals with the study of living organisms concerning welfare and betterment of mankind.
  18. Limnology: It deals with the study of fresh water and their inhabitants.
  19. Cryobiology: It deals with the study of effects of life at very low temperature.
  20. Phylogeny: It deals with the evolution of an organism.
  21. Ontogeny: It deals with the study of organism’s course of development starting from the embryo.
  22. Molecular Biology: It deals with the study of nature and arrangement of molecules and their interactions that control and bring about various activities of protoplasm E.g. structure and functions of DNA and RNA.
  23. Karyology: It deals with the study of Nucleus.