Competitive Exams: Major Theories in Biology

  • Stelar Theory - Pteridophytes

  • Viroid discovery by Deinni

  • Colloidal nature of protoplasm - Fisher & Hardy

  • Pyrinosase & furanose -> Basis of Thermodynamics -> Haworth

  • Mark Schultz Proposed protoplasm Theory (later by Hertwig)

  • J. E. Purkinje Coined term Protoplasm

  • Corti(1772) – 1st observed Protoplasm ,Dujardin – Called it Sarcode

  • Leeuwenhoek first Observed animal cell

  • Malpighi & Grew Observed plant cell – Bladder & Utricles

  • 1st Develop Tissue Culture – Harrison

  • Phenomenon of antibiosis – Babes

  • Concept of antibiosis – vanilla

  • Enzyme diastase – payen & Persoz

  • Neo Lamarckism – speneck – medugal

  • Scientific Basis of vaccination – Pasteur

  • Steroid Conversion – Murray & Peterson

  • Neo Darwin – John Ray

  • Theory of pangenesis – Darwin

  • Theory of Germ layer – Karl von Baer (1792 - 1876)

  • Theory of reflex nervous - muller & Marskey

  • Theory of organizer concept - Spemann

  • Theory of Presumptive organ region - Vogt

  • Theory Epigenesis - Wolff

  • Vitamin - Axel Holst

  • Enzyme - Eduard Buchner

  • Parthenogenesis - Charles Bonnet

  • John Ray – Definition of Species

  • Rudolf Ludwig Carl Virchow- Omnis Cellula e cellula

  • Industrial melanism 1st by Fisher & E.B. ford

  • Industrial Melanism Recent by HBD Kettlewell

  • Genetics & Origin of Species - Dobzhansky

  • Neo Lamarckism – Alpheus S. Packard Jr.

  • Neo Darwinism – G.J. Romanes.