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Taking the example of gill clefts mentio...

Taking the example of gill clefts mention how the embryological evidence supports the theory of organic evolution.

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ICSE-EVOLUTION-PRACTICE QUESTIONS (Short Answer Type-II Questions)
  1. How were exact replicas of the master plate obtained in Lederberg's re...

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  2. State the advantages that erect posture and large brain volume gave hu...

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  3. Enumerate any three major differences between humans and apes.

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  4. Taking the example of gill clefts mention how the embryological eviden...

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  5. Describe the significance of Archaeopteryx in the study of organic evo...

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  6. How would you account for the occurrence of sickle-cell anaemia in hum...

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  7. Why is the wing of a bat said to be homologous to the wing of a bird a...

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  8. How does embryological evidence reinforce the view that living organis...

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  9. What is differential reproduction? How does it lead to adaptation?

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  10. Why are most mosquitoes now found to be DDT resistant although DDT was...

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  11. State Lamarck's theory of evolution. Explain it by quoting an example....

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  12. Describe briefly the difference between geographical isolation and rep...

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  13. What is the role of variation in evolution?

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  14. What is speciation? How does it occur?

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  15. Describe natural selection with reference to industrial melanism.

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  16. Archaeopteryx is considered as a connecting link between reptiles and ...

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  17. Define homologous organs. Give one example of an organ homologous to t...

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  18. What are fossils? What is the importance of fossils in organic evoluti...

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  19. Industrial melanism in peppered moth is an excellent example of natura...

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  20. Mention the contribution of SL Miller's experiments on origin of life.

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