Origin and Evolution of Life

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  1. Theory of biogenesis is the accepted theory regarding the origin of life on Earth.
  2. The species to which we belong is Homo sapiens.
  3. Chimpanzee resembles most to human beings in terms of physical and mental capabilities.
  4. The evolution of the human species took place mainly in Anthropoid.
  5. Natural selection is the chief agent of evolution.
  6. Ginkgo is a living fossil.
  7. Lamarck gave the first general theory of evolution on Earth.
  8. The approximate age of the Earth is 4.6 × 10^9 years.
  9. The most accepted theory of the origin of life is Oparin-Haldane Theory of Chemosynthesis.
  10. The first organisms on Earth were Heterotrophs.
  11. The immediate ancestor of modern man is Neanderthal man.
  12. Life appeared about 3.6 billion years ago.
  13. The nearest relatives of man are apes.
  14. The oldest evolutionary history was discovered in horses.
  15. The chromosome number in orangutan, chimpanzee, and gorilla is 48.
  16. Organs that are morphologically different but perform the same function are called analogous organs.
  17. Life is absent on the moon due to lack of water.
  18. Louis Pasteur first discarded the theory of spontaneous creation and proposed that life originates from pre-existing life.
  19. The earliest man-like primate was Dryopithecus.
  20. Evolution of human species occurred in Africa.
  21. Prehistoric records show that colored rock paintings were first done by Cro-Magnon man.
  22. The age of reptiles is the Mesozoic era.
  23. Hugo de Vries proposed the mutation theory of evolution.
  24. The Mesozoic era is known as the ‘Golden Age of Reptiles’ due to the dominance of dinosaurs.
  25. Ylem is not believed to be one of the gases present on the primitive Earth.