Home
Class 12
BIOLOGY
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

Discontinuous variations

B

Parasites and predators as natural enemies

C

Survival of the fittest

D

Struggle for existence

Text Solution

Verified by Experts

The correct Answer is:
A
Natural theory of Darwin did not believe in any role of discontinuous variations. Darwm called the variations as 'sports'. While, Hugo de Vries used the term mutation to these variations. These variations are sudden heritable changes which can occur in any stage of development
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|82 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise EXERCISES|48 Videos

Similar Questions

Explore conceptually related problems

Darwin's finches show one of the following aspects of evolution.

Natural selection theory was proposed by Darwin along with :

The theory of natural selection explains which of the following?

Natural Selection Theory of Darwin is objected to, because it

Which one of the following scientists is not related with organic evolution

Which one of the following scientists is not related with organic evolution ?

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-EVOLUTION -EXERCISE
  1. What kind of evidences suggested that man is more closely related with...

    Text Solution

    |

  2. Age of fossils in the past was generally determined by radiocarbon met...

    Text Solution

    |

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

    Text Solution

    |

  4. In recent years,DNA sequences (nucleotide sequence) of maternal DNA an...

    Text Solution

    |

  5. Industrial melanism is an example of

    Text Solution

    |

  6. In a random mating population in equilibrium, which of the following b...

    Text Solution

    |

  7. Random genetic drift in a population probably result from

    Text Solution

    |

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

    Text Solution

    |

  9. Convergent evolution is illustrated by

    Text Solution

    |

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

    Text Solution

    |

  11. Which of the following pair is homologous organ?

    Text Solution

    |

  12. Genetic drift operates in :

    Text Solution

    |

  13. In which condition the gene ratio remains constant for any species ?

    Text Solution

    |

  14. According to fossils discovered up to present time origin and evolu...

    Text Solution

    |

  15. In which ear reptiles were dominant ?

    Text Solution

    |

  16. Sequence of which of the following is used to know the phylogeny ?

    Text Solution

    |

  17. Two different species cannot live for long duration in the same niche ...

    Text Solution

    |

  18. Which of the following is correct order of the evolutionary history of...

    Text Solution

    |

  19. Similarity in organisms with different genotypes indicates :

    Text Solution

    |

  20. Diversity of living organisms is due to :

    Text Solution

    |