Home
Class 12
BIOLOGY
Assertion :- Analogous structures are a ...

Assertion :- Analogous structures are a result of convergent evolution.
Reason :- Different strutures evolving for the same function and hence having similarity.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    MOTION|Exercise Exercise - 3|54 Videos
  • ENVIRONMENTAL ISSUES

    MOTION|Exercise CHECK YOUR CONCEPTS-6|5 Videos
  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    MOTION|Exercise EXERCISE - 4 AIIMS - Assertion & Reason Questions|29 Videos

Similar Questions

Explore conceptually related problems

Why are analogous structure a result of convergent evolution ?

Forelimbs of whatle bat, cheetah and duman do not show- a. Similiarities in the pattern of bones b. Adaptive radiation c. Analogou organs d. Convergent evolution e. Divergent evolution f. Different structuress evolving for sam funstions

Which of the following statement/s is/are wrong? I. Homology is based on divergent evolution whereas analogy refers to a situation exactly opposite. II. The thorn and tendrills of Bougainvillea and Cucurbita represent homology III. Analogous structures are a result of divergent evolution. IV. Darwin's finches represent one of the best examples of adaptive radiation.

Assertion :- Coelenterates have tissue grade of organisation. Reason :- In coelenterates the cells performing the same function are arranged into group.

Given below are assertion and reason. Point out if both are true with reason being correct explanation (A), both true but reason is not correct explanation (B), assertion true but reason is wrong ( C ), both are wrong (D). Assertion : Analogous organs are a result of divergent evolution Reason : Eye of Octopus and that of mammals depict divergent evolution.

Assertion : Origin of virus like structure is an example of retrogressive evolution. Reason :- "Descent with modification" is an fundamental concept of evolution.

Assertion :-Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- More than one adaptive radiation appeared to have occured in an isolated geographical area, (representing different habitats) one can call this convergent evolution.

Assertion :-Analogous organs show common ancestory. Reason :-Analogous organ show evolution.

MOTION-EVOLUTION-Exercise - 4
  1. Assertion :- Birds and dinosaurs are close relatives to each other. ...

    Text Solution

    |

  2. Assertion :- In England, before industrialisation, it was observed tha...

    Text Solution

    |

  3. Assertion :- In a mixed population those that can better-adapt, surviv...

    Text Solution

    |

  4. Assertion :- Australian marsupials can be taken as an example of adapt...

    Text Solution

    |

  5. Assertion :-Tasmanian wolf and Placental wolf are the good example of ...

    Text Solution

    |

  6. Assertion :- The rate of appearance of new forms is liked to the life ...

    Text Solution

    |

  7. Assertion :- According to Lamarck, evolution of life forms had occured...

    Text Solution

    |

  8. Assertion :- According to Hugo de Vries , it is mutation which causes ...

    Text Solution

    |

  9. Assertion : Due to continental drift, when South America joined North ...

    Text Solution

    |

  10. Assertion :- Big-Bang theory lalks of a singular huge explosion unimag...

    Text Solution

    |

  11. Assertion :- All mammals like whales, bats cheetah and human etc. shar...

    Text Solution

    |

  12. Assertion :- Branching descent and Natural selection are the two key c...

    Text Solution

    |

  13. Assertion :- Analogous structures are a result of convergent evolution...

    Text Solution

    |

  14. Assertion :- The original drifted population in new habitat becomes fo...

    Text Solution

    |

  15. Assertion :- Homologous organs suggest same origin. Reason :- Organs...

    Text Solution

    |

  16. Assertion : Origin of virus like structure is an example of retrogress...

    Text Solution

    |

  17. Assertion:- The aquatic mammals like Dolphins whales etc. do not conta...

    Text Solution

    |

  18. Assertion :- Dog fish and Whale are example of Homology. Reason : An...

    Text Solution

    |

  19. Assertion :-Analogous organs show common ancestory. Reason :-Analogo...

    Text Solution

    |

  20. Assertion :- Darwin's finches are calssical example of natural selecti...

    Text Solution

    |