Home
Class 12
BIOLOGY
A person remaining at high altitudes for...

A person remaining at high altitudes for years
becomes more and more acclimatized to the low
`pO_(2)` by the following except

A

Increased pulmonary ventilation

B

Increased in RBCs and haemoglobin
concentration

C

Polycythemia

D

Increased cardiac output permanently

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D|11 Videos

  • BREATHING AND EXCHANGE OF GASES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - B|35 Videos

  • BODY FLUIDS AND CIRCULATION

    AAKASH INSTITUTE|Exercise Assignment Section - D Assertion - Reason Type Questions|9 Videos

  • CELL CYCLE AND CELL DIVISION

    AAKASH INSTITUTE|Exercise SECTION-D (Assertion-Reason Type Questions )|10 Videos

Similar Questions

Explore conceptually related problems

Assertion (A) : A person goes to high altitude and experiences " Altitude sickness " with symptoms like breathing difficulty and heart palpitations . Reason (R): Due to low atmospheric pressure at high altitude, the body does not get sufficient oxygen. In the light of above statement choose the correct options given below

Interhalogen compounds are more reactive than halogens except F_(2) . Why ?

A: At high altitude regions the cooking of food becomes difficult B: Water boils at lower temperature when the presure is low.

The +1 oxidation state in group 13 and +2 oxidation state in group 14 becomes more and more stable with increased atomic number. Explain.

A country has a food deficit of 10%. Its population ear. Its annual food production every year is 4% more than that of the last year Assuming that the average food requirement per person remains constant, prove that the country will become self-sufficient in food after n years, where n is the smallest integer bigger than or equal to (log_e 10-log_e 9)/((log_e 1.04)-0.03)

Study the following graph carefully and answer the given questions :- The following graph shows the % profit of two companies over the years :- In which of the following years was the total income more than double the total expenditure in that year for company A ?

Why there are more RBC count in the people living at high altitudes than those living in the plains ?

AAKASH INSTITUTE-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - C
  1. Minute Volume of Respiration (MVR) in a person can be defined as

    Text Solution

    |

  2. When CO(2) concentration in blood increases breathing becomes

    Text Solution

    |

  3. The CO(2) content by volume, in the atmospheric air is about

    Text Solution

    |

  4. Although much CO(2) is carried in blood, yet blood does not become aci...

    Text Solution

    |

  5. The carbon dioxide is transported via blood to lungs mostly

    Text Solution

    |

  6. How the transport of O(2) and CO(2) by blood happens?

    Text Solution

    |

  7. Blood analysis of a patient reveals an unusually high quantity of carb...

    Text Solution

    |

  8. What is true about RBCs in humans?

    Text Solution

    |

  9. How carbon monside, emitted by automobiles, precents transport of ox...

    Text Solution

    |

  10. The respiratory center , which regulates respiration, is located in

    Text Solution

    |

  11. Mark the incorrect statement

    Text Solution

    |

  12. Which of the following reflex is involved to prevent excessive infla...

    Text Solution

    |

  13. Chemoreceptors present in carotid and aortic arch are very much sens...

    Text Solution

    |

  14. A person remaining at high altitudes for years becomes more and more...

    Text Solution

    |

  15. If the blood does not deliver adequate O(2) to the tissues, it is ca...

    Text Solution

    |

  16. Less oxygen due to high levels of carbon dioxide is called

    Text Solution

    |

  17. Which of the following is not pollution related disorder?

    Text Solution

    |

  18. Hiccups can be best described as

    Text Solution

    |

  19. The number of alveoli in the human lungs has been estimated to be appr...

    Text Solution

    |

  20. Which of the following can be termed as opposited of Bohr's effect ?

    Text Solution

    |