Home
Class 12
BIOLOGY
According of Darwin, the organic evoluti...

According of Darwin, the organic evolution is due to

A

Interspecific competition

B

Intraspecific competition

C

Competition within closely related species

D

Reduced feeding efficiency in one species due to the presence of interfering species

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ORGANIC EVOLUTION

    GRB PUBLICATION|Exercise SPECIATION|22 Videos
  • MICROBES IN HUMAN WELFARE

    GRB PUBLICATION|Exercise Assertion-Reason Type Questions|49 Videos
  • ORGANISMS AND ENVIROMENT

    GRB PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|248 Videos

Similar Questions

Explore conceptually related problems

According to Darwin, mechanism of evolution is

According to Darwin, organic evolution proceeds in which of the following orders?

According to Darwin, evolution is

According to Darwin, evolution is ...........

Given below are four statements (A-D) each with one or two blanks. Select the option which correctly fills up the blanks in two statements. (A) Wings of butterfly and birds look alike and are the results of i evolution. (B) Miller showed that CH_(4), H_(2),NH_(3) and i when exposed to electric discharge in a flask resulted in formation of ii (C) Vermiform appendix is a i organ and an ii evidence of evolution. (D) According to Darwin, evolution took place due to i and ii or the fittest.

GRB PUBLICATION-ORGANIC EVOLUTION -REPRODUCTIVE ISOLATION
  1. The process by which organisms with different evolutionary history evo...

    Text Solution

    |

  2. Variation in gene frequencies within populations can occur by chance r...

    Text Solution

    |

  3. According of Darwin, the organic evolution is due to

    Text Solution

    |

  4. Which of the following is not vestigial organ in human beings ?

    Text Solution

    |

  5. Wing of pigeon is homologous to the :

    Text Solution

    |

  6. Which one of the following are analogous structures

    Text Solution

    |

  7. In a population of 1000 individuals 360 belong to genototype AA ,480 ...

    Text Solution

    |

  8. Forelmbs of cat, lizard used in walking, forelimbs of whale used in sw...

    Text Solution

    |

  9. Match Column I with Column II and choose the right option. (GRBOBJBI...

    Text Solution

    |

  10. Which mechanism of evolution affects the genetic make-up in a populati...

    Text Solution

    |

  11. Thorn of Bougainvillea and tendril of Cucurbita are examples of :

    Text Solution

    |

  12. Industrial melanism is an :

    Text Solution

    |

  13. Which one is an example of living fossil?

    Text Solution

    |

  14. A population will not exist in Hardly-Weinberg equilbrium if

    Text Solution

    |

  15. Choose the wrong pair :

    Text Solution

    |

  16. Fossils act as evidence of organic evolution. Which one of these featu...

    Text Solution

    |

  17. Evolution of different species in a given area starting from a point a...

    Text Solution

    |

  18. The idea of Natural Selection as the fundamental process of evolution...

    Text Solution

    |

  19. The ancestors of modern day frogs and salamanders are

    Text Solution

    |

  20. The dinosaurs were maximum during the period of

    Text Solution

    |