Select the wrong statement.

Easy

A

About 97 per cent of $O_{2}$ is transported by RBCs in the blood.
B

About 3 per cent of $O_{2}$ is carried in a dissolved state through the plasma.
C

Haemoglobin is a red-coloured iron containing pigment present in the RBCs.
D

$O_{2}$ can bind with haemoglobin in irreversible manner to form oxyhaemoglobin

Solution

$O_{2}$ can bind with haemoglobin in a reversible manner to form oxyhaemoglobin. At the tissues, oxyhaemoglobin dissociates into haemoglobin and $O_{2}$ .

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