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Zoology - Evolution Model Questions

12th Standard

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Biology

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. The phenomenon of “ Industrial Melanism” demonstrates

    (a)

    Natural selection

    (b)

    induced mutation

    (c)

    reproductive isolation

    (d)

    geographical isolation

  2. Who proposed the Germplasm theory?

    (a)

    Darwin

    (b)

    August Weismann

    (c)

    Lamarck

    (d)

    Alfred Wallace

  3. Modern man belongs to which period?

    (a)

    Quaternary

    (b)

    Cretaceous

    (c)

    Silurian

    (d)

    Cambrian

  4. The term biogenesis was coined by

    (a)

    Thomas Huxley

    (b)

    Henry Bastian

    (c)

    Haldane

    (d)

    Weinberg

  5. _____________ was not a part of theory of chemical evolution.

    (a)

    Sea served as chemical laboratory

    (b)

    Oxygen was not present

    (c)

    Physical forces such as UV, lightning contributed to changes.

    (d)

    Solar energy was not available

  6. 5 x 1 = 5
  7. Miller

  8. (1)

    Abiogenetic synthesis

  9. Coacervates

  10. (2)

    Colloids

  11. Cambrian period

  12. (3)

    Age of mammals

  13. Devoniar period

  14. (4)

    Age of inventebrates

  15. Cenozoic era

  16. (5)

    Age of fishes

    5 x 2 = 10
  17. Explain how mutations, natural selection and genetic drift affect Hardy Weinberg equilibrium.

  18. How did Darwin explain fitness of organisms?

  19. Mention the main objections to Darwinism.

  20. What are atavistic organs?

  21. State the Biogenetic law.

  22. 5 x 3 = 15
  23. Taking the example of Peppered moth, explain the action of natural selection. What do you call the above phenomenon?

  24. Darwin's finches and Australian marsupials are suitable examples of adaptive radiation – Justify the statement

  25. Who disproved Lamarck’s Theory of acquired characters? How?

  26. Differentiate between mould and cast

  27. What is divergent evolution?

  28. 3 x 5 = 15
  29. How does Neanderthal man differ from the modern man in appearance?

  30. Explain the theory of chemical evolution.

  31. Give a detailed account of Modern Synthetic Theory.

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