Home
Class 12
BIOLOGY
Assertion: The duck-billed platypus and ...

Assertion: The duck-billed platypus and the spiny anteater, both are egg-laying animals yet they are grouped under mammals.
Reason: Both of them have seven cervical vertebrae and 12 pairs of cranial nerves.

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

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

Assertion : The duct - billed Platypus and the spiny anteater, both are egg - laying animals yet are grouped under mammals. Reason : Both of them have seven cervical vertbrae and mammary glands without teats. (a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion. (b) If both Assertion and Reason are true ,but the Reason is not the correct explanation of the Assertion. (c) If Assertion is true, but Reason is false (d) If both Assertion and Reason are false.

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

    |