Biology: Branches & Terminologies Notes with PDF

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Core Biological Sciences

Zoology

  • Definition: The study of animals, both living and dead (non-living).
  • Scope: Covers anatomy, development, classification, behavior, and distribution.
  • Key Figure: Aristotle is known as the Father of Zoology.

Botany (and its Sub-disciplines)

  • Core Botany: The study of plants.
  • Sub-disciplines:
    • Paleobotany: The study of fossil plants and their environment.
      • Key Figure: Professor Birbal Sahni is the Father of Indian Palaeobotany.
    • Anthology: The study of flowers.
    • Palynology: The study of pollen grains and spores.
    • Agrostology: The study of grasses.

Other Biological Studies

  • Entomology: The scientific study of insects.
  • Ichthyology: The study of fish.
  • Malacology: The study of molluscs and their shells.
  • Ornithology: The study of birds.
  • Ecology: The study of the interrelationship between organisms and their environment.
  • Genetics: The study of heredity and variation.
  • Palaeobiology: The study of fossils (ancient life).
  • Parasitology: The study of parasitic organisms.
  • Virology: The study of viruses.
  • Ethology: The study of animal behavior.

Cultivation and Rearing Practices (Agriculture & Allied Fields)

  • Sericulture: The rearing of silkworms.
  • Apiculture: The rearing of honey bees (beekeeping).
  • Pisciculture: The rearing of fish.
  • Vermiculture:
    • Definition: The science and practice of raising earthworms.
    • Purpose: Used to break down organic waste into nutrient-rich soil.
    • Organism: The specific worm used is the Earthworm.
  • Viticulture:
    • Definition: The science of cultivating and studying grapes.
    • Scope: Encompasses all processes involved in managing a grape vineyard.
  • Horticulture: The cultivation of fruits, vegetables, and flowers.
    • Pomology: The cultivation of fruits (a branch of horticulture).
    • Olericulture: The cultivation of vegetables (a branch of horticulture).
    • Floriculture: The cultivation of flowers (a branch of horticulture).
  • Agronomy: The science of soil management and crop production.
  • Hydroponics:
    • Definition: A method of growing plants without soil by using mineral nutrient solutions in a water solvent.
    • Core Principle: The cultivation of plants without soil.
    • Classification: It is a type of hydroculture.

Other Scientific Fields of Study

Social Sciences and Interdisciplinary Studies

  • Demography: The statistical study of human populations.
  • Ethnology: The comparative study of different cultures and races.
  • Ethnography: The study of a specific, single culture.
  • Bionics: The study of biological systems to apply their principles to the design of engineering systems.
  • Gerontology: The branch of science that deals with the social, psychological, cognitive, and biological aspects of old age and the ageing process.

Other Fields

  • Lexicography: The compilation of dictionaries.
  • Philology: The study of language structure and history.
  • Iconography: The study of idols, images, and works of art.
  • Phrenology: The study of the human skull.
  • Ethics: The study of moral principles and duties.
  • Pedology: The scientific study of soil, including its formation, morphology, and classification.
  • Osteology: The branch of science concerned with the study of bones.
  • Oncology: Study and treatment of cancer.
  • Teratology: Study of physiological birth defects.
  • Orology: Study of mountains.
  • Serology: Study of blood serum.
  • Geology: Study of the Earth’s physical structure and substance.
  • Psychology: Study of the human mind and behaviour.
  • Serpentology: Study of snakes.
  • Herpetology: Study of amphibians and reptiles.

Quick Revision

  • Palynology: The study of pollen grains and spores.
  • Paleobotany: The study of fossil plants
  • Palaeobiology: The study of fossils (ancient life).
  • Ethology: The study of animal behavior.
  • Ethnology: The comparative study of different cultures and races.
  • Ethnography: The study of a specific, single culture.
  • Agronomy: The science of soil management
  • Pedology: The scientific study of soil
  • Philology: The study of language structure and history.
  • Iconography: The study of idols, images, and works of art.
  • Phrenology: The study of the human skull.
  • Orology: Study of mountains.
  • Serology: Study of blood serum.
  • Herpetology: Study of amphibians and reptiles.

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