Home
Class 12
BIOLOGY
Pulmonary aorta in mammlian embryo commu...

Pulmonary aorta in mammlian embryo communicates with aorta by a thin vessel called ductus arteriosus which later closes are remains in adult as

A

Fossa ovalis

B

ligamentum arteriosus

C

Carotico-pulmonary aperture

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY : PRINCIPLES AND PROCESSES

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|134 Videos

  • BREATHING AND EXCHANGE OF GASES

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|199 Videos

Similar Questions

Explore conceptually related problems

In mammalian embryo the pulmonary aorta communicates with carotico-systemic aorta by a narrow ductus arteriosus, in the adult this connection closes learving :-

Read the following statements Organ systems in different group of animals show various patterns of complexities. The digestive system in Platyhelminthes has only a single opening to the outside of the body that serve as both mouth and anus, and is hence called complete. In open type of circulatory system, the blood is pumped out of the heart and the cells and tissues are directly bathed in it. In closed type, the blood is circulated through a series of vessels of varying diameters (arteries, veins and capillaries). Which of the following statement(s) is/are correct?

Given these blood vessels 1.Aorta 2. Inferior vena cava 3. Pulmonary arteries 4. Pulmonary veins Which vessels carry oxygen -rich blood ?

TRUEMAN BIOLOGY-BODY FLUIDS AND CIRCULATION-Multiple Choice Questions
  1. Which one of the following is a matching pair ?

    Text Solution

    |

  2. If there is a blockage between the AV node and AV bundle, how will thi...

    Text Solution

    |

  3. Pulmonary aorta in mammlian embryo communicates with aorta by a thin v...

    Text Solution

    |

  4. All of the following are true except

    Text Solution

    |

  5. If all chordae tendinae are weakened or severed , the immidiate effect...

    Text Solution

    |

  6. Narrowing of which of the following heart valves would cause blood to ...

    Text Solution

    |

  7. Go through the following statements (i) The inner surface of atria ...

    Text Solution

    |

  8. Read the following statements (i) The cardioinhibitory centre of med...

    Text Solution

    |

  9. Go through the following statements . (i) Hypophysial portal vein ca...

    Text Solution

    |

  10. Read the following statements (i) The nodal musculature of the hear...

    Text Solution

    |

  11. ECG depicts the depolarisation and repolarisation process during the c...

    Text Solution

    |

  12. Which of the following statements is incorrect ?

    Text Solution

    |

  13. In which of the following pairs the two items mean one and the same th...

    Text Solution

    |

  14. An artifical pace-maker is implanted subcutaneously and connected to t...

    Text Solution

    |

  15. The given figure shows an angiogram of the coronary blood vessel. Whic...

    Text Solution

    |

  16. The chief difference between the erthrocytes of man and frog is

    Text Solution

    |

  17. Formation of blood corpuscles is known as

    Text Solution

    |

  18. ESR (erythrocyte sedimentation rate) is meant for knowing

    Text Solution

    |

  19. The cation (mineral) necessary for coagulation of blood is

    Text Solution

    |

  20. Removal of calcium from freshly collected blood would

    Text Solution

    |