Home
Class 12
BIOLOGY
[A] : The Ascidian tadpole larva possess...

[A] : The Ascidian tadpole larva possess all the basic chordate characters.
[R] : Both urochordates and other chordates have originated from a common ancestor .

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

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|192 Videos

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMEN BIOLOGY ENGLISH|Exercise MCQ|285 Videos

Similar Questions

Explore conceptually related problems

In Urochordate the basic chordate characters are present

All chordates at once or the other stage possess

All chordates at one or the other stage possess

Chordates differ from other animals in having

Which one(s) is/are correct ? A. Thomas Mathus is well known for his book on populations B. The work of Thomas Mathus on population did not influence Darwin C. There must be a genetic basic for gettic selected and to evolve D. All the finches on the Galapagos island are descended from a common ancestor

Vertebrates differ from other chordates in having ....... replaced in adults by a ......

TRUEMEN BIOLOGY ENGLISH-Animal Kingdom -ASSERTION AND REASON
  1. [A] : In the adult bird , only the left ovary is well developed . [R...

    Text Solution

    |

  2. [A] : Rabbit is classified as mammal . [R] : Rabbit possesses mammar...

    Text Solution

    |

  3. [A] : Origin of mammals is polyphyletic . [R] : Mammals are derived...

    Text Solution

    |

  4. [A] : The Ascidian tadpole larva possess all the basic chordate charac...

    Text Solution

    |

  5. [A] : Tail wagging dance is performed for short distances . It conveys...

    Text Solution

    |

  6. [A] : A pair of coxal glands are found in each side of metasoma of sco...

    Text Solution

    |

  7. [A] : Honey bees are social insects known for producing honey and bees...

    Text Solution

    |

  8. Assertion : Cold blooded animals do not have fat layer. Reason : Col...

    Text Solution

    |

  9. [A] : Neoteny is the retention of larval form throughout the life . ...

    Text Solution

    |

  10. [A] : In Parthenogenesis , fertilized egg is stimulated to divide . ...

    Text Solution

    |

  11. [A] : Protozoans have no physiological division of labour . [R] : Th...

    Text Solution

    |

  12. [A] : Visceral leishmaniasis is caused by the sand flies . [R] : Whe...

    Text Solution

    |

  13. [A] : Many desert mammals cool the exhaled air in their noses , befor...

    Text Solution

    |

  14. [A] : Amoeba is regarded as the lowest form of animals. [R] : Body o...

    Text Solution

    |

  15. [A] : In Taenia solium , bladder worm is also known as cysticercus . ...

    Text Solution

    |

  16. Assertion : Bats and whales are classified as mammals Reason : Bats ...

    Text Solution

    |

  17. [A] : The coelomic cavity of Leech is mostly filled with botryoidal ti...

    Text Solution

    |

  18. [A] : When a foreign object , such as a sand grain gets in between the...

    Text Solution

    |

  19. [A] : Tail wagging dance is performed for short distances . It conveys...

    Text Solution

    |

  20. Assertion: The duck-billed platypus and the spiny anteater, both are e...

    Text Solution

    |