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Darwin in his 'Natural Selection Theory'...

Darwin in his 'Natural Selection Theory' did not believe in any role of which one of the following in organic evolution : -

A

Parasites and predators as natural enemies

B

Survival of fittest

C

Sturggle for existence

D

Discontinuous variations

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ALLEN-ORIGIN & EVOLUTION OF LIFE-EXERCISE-III B(ANALYTICAL QUESTIONS)
  1. Which of the following pair is homologous organ?

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  2. Convergent evolution is illustrated by

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  3. Which one of the following sequences was propsoed by Darwin and Wallac...

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  4. Industrial melanisrn is an example of

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  5. Darwin in his 'Natural Selection Theory' did not believe in any role o...

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  6. Which one of the following correctly describes the homologous structur...

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  7. Age of fossils in the past was generally determined by radio-carbon me...

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  8. What kind of evidence suggested that man is more closely related with ...

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  9. Presence of gills in tadpole of Frog indicates that

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  10. Close resemblance in the appearance of Monarch Butterfly and Queen But...

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  11. Which one of the following experiments suggests that simplest living o...

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  12. Which one of the following phenomena supports Darwin's concept of natu...

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  13. There are two opposing views about origin of modern man. According to ...

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  14. Which of the following is not true for a species ?

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  15. In evolution, the studies can be made at molecular level. For example,...

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  16. Which of the following statement is incorrect :-

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  17. Select the correct statement from the following

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  18. Which ones are not analogous organs

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  19. Adaptation is a type of :

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  20. Bieng all mammals, whale, dolphin, bat, monkey and horse have some imp...

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