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Evolution — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYEvolution1 Mark
MCQ
Palaentological evidences for evolution refer to the:
  • A
    Development of embryo.
  • B
    Homologous organs.
  • C
    Fossils.
  • D
    Analogous organs.
✓

Answer

  1. Fossils.

Paleontological evidences for evolution refer to the fossils. Fossils provide direct and solid evidence in favour of organic evolution thrugh ages. Fossils are studied for knowing about extinct organisms. Birbal Sahni Institute of Palaeobotany is situated at Lucknow. Birbal Sahni is called ‘Father of Indian Palaeobotany’. Age of fossils is determined by Uranium-Lead method (U238) or Potassium-Argon method or Radioactive Carbon dating (C14). ESR (electronspin - resonance method) is the most accurate method of dating of fossils.

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