Mark the wrong statement.

Moderate

A

Every 100 ml of deoxygenated blood delivers approximately 4 ml of ${CO}_{2}$ to the alveoli.
B

Every 100 ml of oxygenated blood can deliver around 5 ml of $O_{2}$ to the tissues.
C

${CO}_{2}$ and $O_{2}$ have a common binding site on the haemoglobin.
D

$CO$ and $O_{2}$ have a common binding site on the haemoglobin.

Solution

${CO}_{2}$ and $O_{2}$ have different binding sites on haemoglobin.
${CO}_{2}$ binds to terminal-amine group of haemoglobin. $O_{2}$ binds to iron associated with the haeme.

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