CBSE  /  Class 12  /  Biology  /  Evolution

  • 1. 
    Missing link in evolution is:

  • Pheretima
  • Limulus
  • Peripatus
  • Archaeopterys

  • 2. 
    Hardy-Weinberg principle explains :

  • Chromosomal
  • Genetic drift
  • Genetic equilibrium
  • All of these

  • 3. 
    As per Neo-Darwinism, which is mainly responsible for evolution?

  • Mutation
  • Natural drift
  • Both of these
  • All of these

  • 4. 
    Dispersal of population depends on:

  • On immigration
  • On Emigration
  • On Migration
  • All of these

  • 5. 
    Evolutionary history of an organism is known as:

  • Ontogeny
  • Phytogeny
  • Ancestry
  • Palaentolgy

  • 6. 
    Book ‘Philosophique Zoologique’ was written by:

  • Lamarck
  • Mendel
  • Darwin
  • Hugo-devries

  • 7. 
    Which one of the following phenomenon supports Darwin’s concept of natural selection in organic evolution?

  • Development of transgenic animals
  • Production of‘Dolly the sheep’ by cloning
  • Prevalence of pesticide resistant insects
  • Development of organs from ‘Stem cells’ for organ transplantation

  • 8. 
    The biogenetic law of Haeckel is:

  • Ominis vivum-e-eellula
  • Omminis cellula-e-cellula
  • Ontogeny repeats phytogeny
  • Phytogeny repeats ontogeny

  • 9. 
    Wings of Butterfly and birds are:

  • Vestigial organs
  • Analogous organs
  • Homologous organs
  • Both (a) and (b)

  • 10. 
    Theory of Pangenesis was given by:

  • Darwin
  • Lamarck
  • Weismann
  • DeVries
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