Home
Class 12
BIOLOGY
Adult human RBCs are enucleate. Which of...

Adult human RBCs are enucleate. Which of the following statement (s) is/are most appropriate explanation for this feature ?
(1) They do not need to reproduce
(2) They are somatic cells
(3) They do not metabolise
(4) All their internal space is available for oxygen transport.

A

Only (IV)

B

Only (I)

C

(I),(III) and (IV)

D

(II) and (III)

Text Solution

Verified by Experts

The correct Answer is:
A
(a) The absence of nucleus in RBC is an adaptation that allows it to contain more haemoglobin and carry more oxygen by providing empty space. This adaptation also aids in effective diffusion of oxygen.
Concept Enhancer RBCs are initially produced in bone marrow with a nucleus. They, then undergo enucleation at maturity , in which their nucleus is removed.
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY AND ITS APPLICATIONS

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQs|24 Videos

  • Breathing and Respiration

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|34 Videos

Similar Questions

Explore conceptually related problems

Which of the following statement(s) is/are correct? 1+(2)/(2)+(3)/(2^(2))+(4)/(2^(3))+.........+oo=4

A proton moves a distance d in a uniform electric field E ®as shown in the figure. Then which of the following statements are correct ? (1) Electric field do a negative work on the proton (2) Electric potential energy of the proton increases (3) Electric field do a positive work on the proton (4) Electric potential energy of the proton decreases

Which of the following do and which do not make sense ? 7p, 2d, 3s^3, 3p_y^3, 4f .

Which cells themselves do not secrete antibodies but help "B" -cells to produce them ? (1) Neutrophils (2) Plasma cells (3) T-cells (4) Monocytes

Which cells themselves do not secrete antibodies but help "B" -cells to produce them ? (1) Neutrophils (2) Plasma cells (3) T-cells (4) Monocytes

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-BODY FLUIDS AND CIRCULATION-Exercise
  1. Adult human RBCs are enucleate. Which of the following statement (s) i...

    Text Solution

    |

  2. Blood pressure in the pulmonary artery is

    Text Solution

    |

  3. Which one of the following blood vessels in mammals would normally car...

    Text Solution

    |

  4. Name the blood cells, whose reduction in number can cause clotting dis...

    Text Solution

    |

  5. Serum differs from blood in

    Text Solution

    |

  6. Which one of the following animals has two separate circulatory pathwa...

    Text Solution

    |

  7. Doctors use stethoscope to hear the sounds produced during each cardia...

    Text Solution

    |

  8. Person with blood group AB is considered as universal recipient becaus...

    Text Solution

    |

  9. Figure shows schematic plan of blood circulation in humans with labels...

    Text Solution

    |

  10. The diagram given here is the standard ECG of a normal person, the P-w...

    Text Solution

    |

  11. A certain road accident patien with unknown blood group needs immediat...

    Text Solution

    |

  12. Arteries are best defined as the vessels which

    Text Solution

    |

  13. Which one of the following statements is correct regarding blood pres...

    Text Solution

    |

  14. Bundle of His is a part of which one of the following organs in humans

    Text Solution

    |

  15. Which one of the following proteins involved in the coagulation of blo...

    Text Solution

    |

  16. A person with unknown blood group under ABO system, has suffered much ...

    Text Solution

    |

  17. If due to some injury the chordae tendineae of the tricuspid valve of ...

    Text Solution

    |

  18. The most polpularly known blood grouping is the ABO grouping. It is na...

    Text Solution

    |

  19. In humans, blood passes from the post caval to the diastolic right atr...

    Text Solution

    |

  20. If you suspect major deficiency of antibodies in a person, to which o...

    Text Solution

    |