Home
Class 12
BIOLOGY
Assertion:Frog's tadpole has fish-like f...

Assertion:Frog's tadpole has fish-like form, tail and gills
Reason: Tadpole stage is the recapitulation of the fish-like ancestor of frog in the latter's life history

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Fungi

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|27 Videos

  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

Similar Questions

Explore conceptually related problems

Assertion: Fish meal is a rich source of proteins for cattle and poultry. Reason: Fish meal is produced from non-edible parts of fish like fins, gills, etc.

Assertion : Lateral line system is found in fishes and aquatic larval amphibians. Reason : Lateral line system has receptor of sensory cells derived form ectoderm.

Assertion (A) It is necessary to study life history of an ascidian to consider it as chordate Reason (R) Tadpole larva of ascidians have a notochord that disappears in the adult

Statement (S) Lancelets are jawless primitive fish like vertebrates Statement (R) In lancelets notochord tubular nerve cord and pharyngeal gill slits are present the throughout their life

TRUEMAN BIOLOGY-Genetics-ASSERTION AND REASON
  1. [A]: Homologous organs are similar in basic structure and embryonic or...

    Text Solution

    |

  2. Assertion:Analogous organs serve the same function and look alike, but...

    Text Solution

    |

  3. Assertion:Frog's tadpole has fish-like form, tail and gills Reason: ...

    Text Solution

    |

  4. Assertion:Jurassic period is considered as the age of reptiles. Reas...

    Text Solution

    |

  5. [A]: Some babies have a small tail. [R]: This is just a freak of ...

    Text Solution

    |

  6. [A]: The first life originated was chemoheterotrophic. [R]: The f...

    Text Solution

    |

  7. [A]: Evolution is a theory. [R]: As it is based on causes and evi...

    Text Solution

    |

  8. [A]: Cabbage, cauliflower, Kohlrabi, Broccoli and Brussels have descen...

    Text Solution

    |

  9. [A]: Evolution is not occurring at present. [R]: Evolution is a v...

    Text Solution

    |

  10. [A]: According to the theory of Lamarck use and disuse caused the incr...

    Text Solution

    |

  11. [A]: Fossils of Peking man were discovered from caves near Peking in 1...

    Text Solution

    |

  12. [A]: Man's most characteristic feature in which it differs from all it...

    Text Solution

    |

  13. [A]: Darwin held that small favourable varia- tions formed the raw mat...

    Text Solution

    |

  14. Assertion : A single mutation may produce a new species . Reason : M...

    Text Solution

    |

  15. [A]: Isolation prevents inbreeding among the otherwise potential mates...

    Text Solution

    |

  16. [A]: lnterspecific mating often produces a more vigorous but sterile F...

    Text Solution

    |

  17. [A]: Basis of adaptation is the pre existing gene mutation. [R]: ...

    Text Solution

    |

  18. [A]: Artitical selection is done only in animal breeding. [R]: Ar...

    Text Solution

    |

  19. [A]: Presence of tail in children is a vestigial character. [R]: T...

    Text Solution

    |

  20. [A]: Mimics are always or more often defenceless. [R]: Mimics are...

    Text Solution

    |