Zoology - Evolution Three Marks Questions

12th Standard EM

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Biology

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Taking the example of Peppered moth, explain the action of natural selection. What do you call the above phenomenon?

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

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

  4. How does Mutation theory of De Vries differ from Lamarck and Darwin’s view in the origin of new species.

  5. Explain stabilizing, directional and disruptive selection with examples

  6. Rearrange the descent in human evolution
    Austrolopithecus → Homo erectus → Homo sapiens → Ramapithecus → Homo habilis.

  7. Differentiate between the eating habit and brain size of Australopithecus and Ramapithecus.

  8. What is divergent evolution?

  9. What is the genetic reason for evolution of Darwin's finches?

  10. What is Sewall Wright effect or Genetic drift?

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