NTSE Sample Paper NTSE SAT Practice Test-19

  • question_answer
    Mature human erythrocytes have life span not more than 120 days because

    A) They are phagocytosed by surrounding Monocytes

    B) They are very small in size

    C) They lack nucleus and mitochondria

    D) heir cell membrane is destroyed to provide protein for synthesis of haemoglobin

    Correct Answer: C

    Solution :

    [c] Erythrocytes on maturity get devoid of nucleus, mitochondria etc, to adapt them- selves for possessing maximum number of haemoglobin


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