Home
Class 12
BIOLOGY
The r espiratory centre in medulla is se...

The r espiratory centre in medulla is sensitive to

A

high `cop_(2)` and high `h^(+)` concentration

B

low `o_(2)` concentration

C

high C`o_(2)` concentration

D

all of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|197 Videos

  • CELL CYCLE AND CELL DIVISION

    TRUEMAN BIOLOGY|Exercise MULTIPLE CHOICE QUESTIONS|158 Videos

Similar Questions

Explore conceptually related problems

Repiratory centre of brain is sensitive to

[A] : Regulation of the rate of breathing is brought about by the respiratory centre of the medulla. [R]: Because of the changes' In the 002 con- tent of the blood.

Proteins are not sensitive to

Retina is most sensitive at

Read the following statements (i) The cardioinhibitory centre of medulla oblongata is connected with the heart through vagus nerve (ii) Carotid sinus is the chemoreceptor located in the wall of external carotid artery . (iii) The signals from carotid sinus are tramsmitted through Hering's nerve to the glossophyrangeal nerve and then to the medulla oblongata. (iv) Adrenaline has a greater effect on heart activity than nonadrenaline. Which of these are correct ?

The breathing controlling centre of medulla oblongata is mainly under

Define voltage sensitivity of a MCG.

The adrenal medulla is a mass of neurons with all of the following characteristics except

TRUEMAN BIOLOGY-BREATHING AND EXCHANGE OF GASES -MULTIPLE CHOICE QUESTIONS
  1. What is vital capacity of our lungs?

    Text Solution

    |

  2. The haemoglobin of humen foetus

    Text Solution

    |

  3. The r espiratory centre in medulla is sensitive to

    Text Solution

    |

  4. Listed below are four respriatory capacities (i-iv) and four jumbled ...

    Text Solution

    |

  5. Which two of the following changes (A-B) usually tend to occur in the ...

    Text Solution

    |

  6. The figure given below shows a small part of human lung where exchange...

    Text Solution

    |

  7. A large proportion of oxygen is left unused the human blood even after...

    Text Solution

    |

  8. Which one of the following is the correct statement for respiration in...

    Text Solution

    |

  9. People who have migrated from the planes to an area adjoining Rohta...

    Text Solution

    |

  10. Which one of the following is a possibility for most of us in regards ...

    Text Solution

    |

  11. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

    Text Solution

    |

  12. Oxygen dissociation curve of haemoglobin is

    Text Solution

    |

  13. PH of blood in arteries and veins is

    Text Solution

    |

  14. The left lung of human is divided in to

    Text Solution

    |

  15. A major percentage ( 97%) of oxygen is transported by RBCs in blood. ...

    Text Solution

    |

  16. What percent (%) of CO(2) is transported as bicarbonate (HCO(3))?

    Text Solution

    |

  17. Muscles contains a red coloured oxygen storing pigment called :-

    Text Solution

    |

  18. Expiratory reserve volume is

    Text Solution

    |

  19. The urge to inhale in humans results from

    Text Solution

    |

  20. A person is suffering from frequent episodes of nasal discharge, nasal...

    Text Solution

    |