Home
Class 12
BIOLOGY
Those organs which are functionless are ...

Those organs which are functionless are known as:

A

vestigial organs

B

analogous organs

C

homologous organs

D

asymmetrical organs

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ORIGIN AND EVOLUTION OF LIFE

    CHETANA PUBLICATION|Exercise Exercise|66 Videos
  • Organisms and Populatoins

    CHETANA PUBLICATION|Exercise EXERCISE|48 Videos
  • PLANT GROWTH AND MINERAL NUTRITION

    CHETANA PUBLICATION|Exercise Exercise|94 Videos

Similar Questions

Explore conceptually related problems

Those organs which are structurally similar but functionally dissimilar are known as..................

The first form of life on earth consisting of nucleic acid along with inorganic and organic molecules are known as................

The organisms which cause diseases in plants and animals are called.

Steam distillation is applied to those organic compounds which are steam volatile and

True or false Micro -organism which use oxygen for respiration are known as anaerobes.

The fundamental organic compunds are also known as __________compounds

The cell organelles which are known to have extranuclear DNAis

When we say "survival of fittest" does it mean that (a) Those which are fit only survive or (b) Those that survive called fit.

Choose the correct alternative : The connection in which many cells are connected in series is known as ………….

CHETANA PUBLICATION-ORIGIN AND EVOLUTION OF LIFE -Exercise
  1. Find the odd one out ....................

    Text Solution

    |

  2. Those organs which are structurally similar but functionally dissimila...

    Text Solution

    |

  3. Those organs which are functionless are known as:

    Text Solution

    |

  4. ................ is a vestigeal organ in man.

    Text Solution

    |

  5. Find the odd one out..................

    Text Solution

    |

  6. can be considered as connecting link between ape and man.

    Text Solution

    |

  7. Which of the following primitive man was nicknamed as handy man?

    Text Solution

    |

  8. The first fossil of Australopithecus was obtained from:..............

    Text Solution

    |

  9. Dryopitheaus lives about 20 million years ago in : .........

    Text Solution

    |

  10. Cranial capacity of Australopithecus is about...........

    Text Solution

    |

  11. The cranial capacity of java ape man is about :...................

    Text Solution

    |

  12. The cranial capacity of Homo habilis is about:.............

    Text Solution

    |

  13. The Cranial capacity of Nanderthal man was

    Text Solution

    |

  14. Java man lived about 5,00,000 years ago in : .................

    Text Solution

    |

  15. Neanderthal man lived about 1,50,000 years ago in : .......

    Text Solution

    |

  16. Which human ancestor is chronologically nearest to us?

    Text Solution

    |

  17. Whose theory of evolution believes that every organism has an internal...

    Text Solution

    |

  18. Darwin's theory of evolution fails to explain

    Text Solution

    |

  19. Evolutionary concept of determinants was given by

    Text Solution

    |

  20. State the evidences that favour Darwinism from the following given bel...

    Text Solution

    |