Home
Class 12
BIOLOGY
The present day giraffe has a longer nec...

The present day giraffe has a longer neck as a compared to its ancestors. It could be due to `:`

A

natural selection

B

isolation

C

inheritance of acquired characters

D

speciation

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • THEORIES OF EVOLUTION

    ARIHANT NEET|Exercise Chapter exercise B (Medical entrances special format questions (Statement based Questions ) )|8 Videos

  • THEORIES OF EVOLUTION

    ARIHANT NEET|Exercise Chapter exercise ( Match the columns)|3 Videos

  • THEORIES OF EVOLUTION

    ARIHANT NEET|Exercise Check point 12.2|15 Videos

  • THE LIVING WORLD

    ARIHANT NEET|Exercise ( C) Medical entrances gallery (Collection of Questions Asked in NEET & in Various Medical Entrance Exams)|20 Videos

  • TRANSPORT IN PLANTS

    ARIHANT NEET|Exercise Chapter exercises C. Medical entrances gallery (Collection of questions asked in NEET & Various Medical Entrance Exams )|98 Videos

Similar Questions

Explore conceptually related problems

Giraffe has long neck because :

How many bones does a giraffe has in its long neck?

Long neck of Camel of Giraffe has

Darwin believed that the giraffe has the long neck because

Present day maize developed is resistance to stem borers due to

Giraffe's neck and forelimbs get elongated during the course of evolution, due to :

Assertion.Oue present day crop plants are entirely different from their ancestors. Reason. Almost all our present day crops are result of selections carried out by the prehistoric human beings.

ARIHANT NEET-THEORIES OF EVOLUTION-Chapter exercise A (Taking it together (Assorted Questions of the chapter for advanced Level Practice))
  1. On the voyage of the Beagle, Charles Darwin (1809-1882) found that the...

    Text Solution

    |

  2. Darwin found that South American fossils are most similar to the

    Text Solution

    |

  3. The present day giraffe has a longer neck as a compared to its ancest...

    Text Solution

    |

  4. According to modern synthetic theory of evolution which of the followi...

    Text Solution

    |

  5. Darwin's natural selection is based on

    Text Solution

    |

  6. Alfred Wallace (1823-1913) was a naturalist from Dutch East Inides, wh...

    Text Solution

    |

  7. In forming the theory of evolution by natural selection, Darwin was gr...

    Text Solution

    |

  8. Both C Darwin and AR Wallace developed, independently the theory of ev...

    Text Solution

    |

  9. Which one cannot be explained by darwinism ?

    Text Solution

    |

  10. The Darwinian fitness of an organism is a measure of

    Text Solution

    |

  11. Who claimed that the Oenothera lamarckiana was a hybrid plant, which c...

    Text Solution

    |

  12. Hugo de Vries, experimental material Oenothera lamarckiana was a

    Text Solution

    |

  13. The phrase 'Survival of the fittest' was first used by Herbert Spencer...

    Text Solution

    |

  14. According to Darwin, two different areas within a continent have diffe...

    Text Solution

    |

  15. Which of the following is not true about mutation theory of Hugo de Vr...

    Text Solution

    |

  16. Which of the following statements about Lamarck is true ?

    Text Solution

    |

  17. Given : 1 = Natural selection , 2 = Variations and their inheritance ,...

    Text Solution

    |

  18. Today, again the faith in Lamarck's theory has been revived by some pe...

    Text Solution

    |

  19. Natural Selection Theory of Darwin is objected to, because it

    Text Solution

    |

  20. Which of the following evidence proved that Lamarck's theory of evolut...

    Text Solution

    |