Home
Class 12
BIOLOGY
Assertion (A) In brain stem, pons is ca...

Assertion (A) In brain stem, pons is called pneumotaxic centre with the ability to moderate the function of the ' respiratory rhythm' centre.
Reason ( R) Neural signals from the centre can reduce the duration of expiration, thereby alter the respiratory rate

A

Both A and R are correct, but R is not the correct explanation of A .

B

Both A and R are correct , but R is the correct explanation of Agt

C

A is incorrect, but R correct

D

A is correct , but R is incorrect

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    ARIHANT NEET|Exercise Chapter exercises B (Medical entrances special format questions )|21 Videos

  • BODY FLUID AND CIRCULATION

    ARIHANT NEET|Exercise MEDICAL ENTRANCES GALLERY COLLECTION OF QUESTIONS ASKED IN NEET AND VARIOUS MEDICAL ENTRANCE EXAMS|72 Videos

  • CELL CYCLE AND CELL DIVISION

    ARIHANT NEET|Exercise Chapter Exercises (C) Medical entrances gallery (collection of questions asked in NEET & Various medical entrance exams)|63 Videos

Similar Questions

Explore conceptually related problems

Neural signal from which centre can reduce the duration of inspiration is

Assertion :- Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. Reason :- Neural signal from pneumotoxic centre can reduce the duration of inspiration and thereby the alter the respiratory centre

Pneumotaxic centre which can moderate the functions of the respiratory rhythm centre is present at

Pneumotaxic centre can moderate the functions of the respiratory rhythm centre. It is present in __________

Which of the following centre can moderate the functions of the respiratory rhythm centre

Assertion : Pneumotaxic centre is situated in Pons Reason: It can regulate the functioning of rhythm centre

Which of the following statements are CORRECT ? I. A specialized center present in the medulla region of the brain called respiratory rhythm center is primarily responsible for the regulation of respiration. II. A Chemosensitive area is situated adjacent to the rhythm which is highly sensitive to O_2,CO_2 and hydrogen ions . III . Receptors associated with aortic arch and carotid artery also can recognize changes in CO_2 and H^+ concentration and send necessary signals to the rhythm center for remedial actions. IV The neural signal from the pneumatic center can increase the duration of inspiration and thereby alter the respiratory rate .

ARIHANT NEET-BREATHING AND EXCHANGE OF GASES -Chapter exercise C (Medical entrances gallery )
  1. The peneumotaxic and repiratory rhythm centres respectively present in

    Text Solution

    |

  2. Which of the following sts of conditions promotes the dissociation of ...

    Text Solution

    |

  3. Assertion (A) In brain stem, pons is called pneumotaxic centre with t...

    Text Solution

    |

  4. When precentrage saturation of haemoglobin with O(2) is plotted again...

    Text Solution

    |

  5. The process of exchange of O(2) from the atmosphere with CO(2) prod...

    Text Solution

    |

  6. Inspiratory capacity of human is equal to

    Text Solution

    |

  7. Approximately seventy percent of carbon dioxide absorbed by the blood ...

    Text Solution

    |

  8. The volume of air that can be breathed in by maximum forced inspiratio...

    Text Solution

    |

  9. The serous membrane which covers the lungs is called

    Text Solution

    |

  10. what is the .(p)O(2) and .(p)CO(2) in the systemic arteries ?

    Text Solution

    |

  11. Choose the wrong statement .

    Text Solution

    |

  12. To generate pressure gradients to facilitate expiration and inspiratio...

    Text Solution

    |

  13. the figure shows a diagrammatic view of human respiratory system with ...

    Text Solution

    |

  14. Oxygen dissociation curve is

    Text Solution

    |

  15. Haemoglobin is having maximum affinity with

    Text Solution

    |

  16. During inspiration the diaphragm

    Text Solution

    |

  17. The oxygen toxicity is related with

    Text Solution

    |

  18. Skin is an accessory orgen of repiration in

    Text Solution

    |

  19. When oxygen supply to tissues is inadequate, the condition

    Text Solution

    |

  20. Large volume of air that a person can expire after a forceful inspirat...

    Text Solution

    |