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Name the periods which are also known as...

Name the periods which are also known as : (a) Carboniferous (b) Devonian, (c) Silurian, Ordovician, cambrian (d) Jurassic.

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SANTRA PUBLICATION-EVOLUTION-Short Answer Type Question
  1. Under how many eons, the time period of earth up to the recent have be...

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  2. What kind of flora and fauna was observed in the Jurassic period ?

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  3. Name the periods which are also known as : (a) Carboniferous (b) Devon...

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  4. What aree the important sources of evidence in favour of biological ev...

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  5. Mention two features of Archaeopteryx ?

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  6. What are trace fossils ?

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  7. What are pseudofossils ?

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  8. What are analogous organs ?

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  9. Give at least two evidences that support the recapitulation theory.

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  10. What does the Modern Synthetic theory proposes as the cause of evoluti...

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  11. Write an account to describe the atmosphere that prevailed on the eart...

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  12. Mention the possible steps that has led to the origin of life.

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  13. Write the reptilian and avian features of Archaeopteryx.

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  14. What are homologous organs ? Describe with examples.

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  15. Describe the Recapitulation theory with the help of flowchart.

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  16. How can it be stated that DNA is the molecular life ?

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  17. What according to Darwin, led to the origin of new species ?

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  18. Describe the microspore model as proposed by Fox.

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  19. Describe mould cast and gastrolith fossils.

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  20. What are vestigial organs ? Give at least three examples.

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