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  1. Most of the oxygen transported by the blood is

    2. A.

     Bound to haemoglobin
    B.

     Dissolved in plasma
    C.

     Dissolved in water
    D.

     In ionic form as solute in plasma

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    Answer : Option A

    Explanation :

    Oxygen is carried in the blood in two forms: (1) dissolved in plasma and RBC water (about 2% of the total) and (2) reversibly bound to hemoglobin (about 98% of the total).

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