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Which is the most important factor for c...

Which is the most important factor for cotinuity of a species from evolutionary point of view?

A

Geographic isolation

B

Extensive in-breeding

C

Extensive-bredding

D

None

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The correct Answer is:
A
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ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-I (THEORIES OF ORGANIC EVOLUTION)
  1. A Scientist kept 69 generatios of Drosophila in darkness even after th...

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  2. Ultimate source of organic variation is :

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  3. Which is the most important factor for cotinuity of a species from ev...

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  4. Gene pool is :

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  5. Which of the following evidences does not favour the lamarckian concep...

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  6. Who wrote the book 'Genetic and The Origin of Species'?

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  7. Hybrid breakdown is failure of :

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  8. Match the column and find correct combination: {:(,"Column I",,"Colu...

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  9. Frequency of an allele in an isolated population may change due to : -

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  10. Some bacteria able to grow in Streptomycin containing medium due to -

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  11. Which of the following is important for speciation : -

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  12. Genetic drift operates in

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  13. Hugo de Vries gave his mutation theory on organic evolution while work...

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  14. Which of the following factors help in evolution but is considerd the ...

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  15. The factors involved in the formation of new species are

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  16. The idea not related to the Darwinian evolutionary theory is :

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  17. Inheritance of a acquired characters comes under

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  18. Coverstone of theory of Darwin was :

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  19. The chance elimination of genes from a small population is an example...

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  20. The chemical example of adaptive radiations during formation of new sp...

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