Home
Class 12
BIOLOGY
When a man inhales air containing normal...

When a man inhales air containing normal concentration of `O_(2)` as well as CO he suffers from suffocation because

A

Haemoglobin combines with co instead of with `O_(2)` and product cannot dissociate

B

co reacts with `O_(2)` reducing percentage of `O_(2)` in the blood

C

CO affecrts the diapharagma and intercostal muscles

D

CO affects the nerve of the lungs

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

Assertion. The atmospheric concentration of CO_(2) at which photosynthesis just compensates for resoiration is referred to as CO_(2) compensation point. Reason. CO_(2) -compensation point is reached when the amount of CO_(2) uptake is less than that generated through respiration because the level of CO_(2) is more than that required for achieving CO_(2) -compensation point.

When a person is suffering from severe cold, he or she

A man runs at a speed of 4 ms to overtake a standing bus. When he is 6m behind the door (a ) the bus moves forward and continues moving with constant acceleration of 1.2 m/s^2 . The time after which the man is able to catch the bus is :

An old man is advised by his doctor to take less sugar in his diet. Name the disease from which the man is suffering. Mention the hormone due to imbalance of which he is suffering from this disease. Which endocrine gland secretes this hormone ?

TRUEMAN BIOLOGY-BREATHING AND EXCHANGE OF GASES -MULTIPLE CHOICE QUESTIONS
  1. Which is true for CO(2) partial pressure ?

    Text Solution

    |

  2. Haemoglobin is having maximum affinity with

    Text Solution

    |

  3. When a man inhales air containing normal concentration of O(2) as well...

    Text Solution

    |

  4. Carbon monoxide has greater affinity for haemoglobin as compared to ox...

    Text Solution

    |

  5. Pneumotaxic centre which can moderate the functions of the respiratory...

    Text Solution

    |

  6. The inspiratory and expiratory centres in man are located in

    Text Solution

    |

  7. The Drosal Respiratory group (DRG) is located

    Text Solution

    |

  8. Which oof these parts of the barinsterm is corectly matched with its m...

    Text Solution

    |

  9. The respiratory centre in meddulla may release motor impluses for fast...

    Text Solution

    |

  10. Repiratory centre of brain is sensitive to

    Text Solution

    |

  11. Rate of breathing is maximally affected by

    Text Solution

    |

  12. The impulse for voluntary muscles for forced breathing starts in

    Text Solution

    |

  13. The number of RBCs in man increases if he lives at a higher altitude b...

    Text Solution

    |

  14. If a person living at sea level migrates to about 8000 feet high hill ...

    Text Solution

    |

  15. When some food particle enters the wind pipe instead of oesophagus it ...

    Text Solution

    |

  16. Lack of breathing is

    Text Solution

    |

  17. Ordinary quiet breathing is

    Text Solution

    |

  18. Asthma is a respiratory disease caused by:

    Text Solution

    |

  19. In which disease, due to flattening of tracheal vessels, alveoli are d...

    Text Solution

    |

  20. Which of the following is not true about asthma ?

    Text Solution

    |