Home
Class 12
BIOLOGY
Which two of the following changes (A-B)...

Which two of the following changes (A-B) usually tend to occur in the plain dwellers when they move to high altitudes (3500 m or more )
(A) Increase in red blood cell size
(B) Increase in red blood cell production
( C) Increased breathing rate
(D) Increase in thrombocyte count

A

(a) & (b)

B

(b) & (c)

C

(c) & (d)

D

(a) & (d)

Text Solution

Verified by Experts

The correct Answer is:
B
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

Which two of the following changes (a-d) usually tend to occur in the plain dwellers when they move to high altitude (3,500 m or more ) (a) Increase in red blood cell size (b) Increase in red blood cell production (c) Increased breathing rate (d) Increase in thrombocyte count Changes occuring are

The enzyme that increases the reaction rate between CO_(2) and H_(2)O in red blood cell is

Which of the following factor(s) is (are) responsible for the change of state of solid carbon dioxide into vapours ? (a) Increase in pressure (b) Decrease in pressure (c ) Increase in temperature (d) Decrease in temperature.

Norepinephrine (A) Is released by sumpathetic fibres (B) Is released by parasympathetic fibres ltbrltgt ( C ) Increases the heart rate (D) Decreases blood pressure

Which of the following contributes to increase in population density ? (a) Natality (b) Mortality (c) Immigration (d) Emigration

AAKASH INSTITUTE-BREATHING AND EXCHANGE OF GASES -ASSIGNMENT SECTION - C
  1. Bulk of carbon dioxide (CO(2)) released from body tissues into the blo...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. listed below are four respiratory capacities (A-D) and four jumbled re...

    Text Solution

    |

  5. what is vital capacity of our lungs

    Text Solution

    |

  6. Increased asthmatic attacks in certain seasons are related to

    Text Solution

    |

  7. People living at sea level have around 5 million RBC per cubic millime...

    Text Solution

    |

  8. Which one of the following statements is incorrect?

    Text Solution

    |

  9. The majority of carbon dioxide produced by our body cells is transport...

    Text Solution

    |

  10. in man and mammals , air passes from outside into the lungs through

    Text Solution

    |

  11. Lungs are enclosed in

    Text Solution

    |

  12. When a person brathes air through a tube directly into the trachea (...

    Text Solution

    |

  13. Pitch of the voice is lower in males than females as the vocal cords...

    Text Solution

    |

  14. Which of the following statement is not true for man?

    Text Solution

    |

  15. The ventilation movements of the lungs in mammals are governed by

    Text Solution

    |

  16. In lungs, the air is separated from the venous blood through

    Text Solution

    |

  17. Which of the following wolume of capacity of lungs can't be measured...

    Text Solution

    |

  18. Amount of air left in the lung after normal expiration is

    Text Solution

    |

  19. Minute Volume of Respiration (MVR) in a person can be defined as

    Text Solution

    |

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

    Text Solution

    |