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The first life on earth came in water and evidences indicate that life originated in one of the following eras :

A. Paleozoic

B. Mesozoic

C. Cenozic

D. Proterzoic

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  1. A starfish with six arms, may be a case of
  2. The age of a fossil may be determined most accurately
  3. A kind of mimicry which presumably works as a double insurance is
  4. The first life on earth came in water and evidences indicate that life originated in one of the following…
  5. Which of these does not play a role in evolution ?
  6. Species were regarded as unchangeable by
  7. The epoch of human civilisation is
  8. An example of analogy is
  9. Ontogeny recapitulates phylogeny is the statement relating to
  10. Darwin proposed his theory of natural selection on the basis of
  11. The book "Voyage of the Beagle" is concerned with which one of the following ?
  12. The earliest ancestor of horse from early Eocene period is
  13. The function affected by point mutation in p-globin in sickle cell anaemia is
  14. Pangenesis theory was given by
  15. The concept of use and disuse of organs was given by
  16. The idea of spontaneous generation is essentially correct in regard to
  17. Which is not a vestigeal organ
  18. A fossil is a
  19. Connecting link between nonchordata and chordata is
  20. The resemblance between the south American llama and the African camel indicates a common ancestry.…
  21. Doubis in 1891 found the fossil of Java ape man. It is
  22. Which of the following gases were absent in free form when life originated on earth?
  23. The book "Origin of Species" was written by Charles Darwin in
  24. A connecting link between Annelids and Arthropods is
  25. The fossil formed from harder parts of the body infiltrated by minerals and turned into stony shapes…
  26. Fire was first used for protection and cooking by
  27. Peking man is known as
  28. Which were dominant during Mesozoic era
  29. Which animals dominated in Paleozoic era ?
  30. Fossilisation occurs where