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|26 Videos
  • GENETICS AND EVOLUTION

    TRUEMAN BIOLOGY|Exercise SECTION-A|34 Videos

Similar Questions

Explore conceptually related problems

Give the reason for the presence of fish-like tadpole larva in the life history of frog.

Assertion. Urochordate's tadpole larva is more chordata-like than the adult. Reason. Tadpole changes into an adult by retrogressive metamorphosis.

Why does the tadpole of frog resemble a fish ?

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

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

Assertion:- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life is secondary.

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 orginated was chemo-het- erotrophic. [R]: The...

    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 disue caused the incre...

    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 preexisting gene mutation. [R]: I...

    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

    |