Question

$C{O}_2$ passes into blood and transported to alveolar site in the form of.

• A. Bicarbonate, $70\%$
• B. Bicarbonate, $20-25\%$
• C. Carbaminohaemoglobin, $60-70\%$
• D. Carbaminohaemoglobin, $7\%$

Answer 1

The correct option is A Bicarbonate, $70\%$

Nearly 20-25 percent of $C{O}_2$ is transported by RBCs whereas 70 percent of it is carried as bicarbonate. About 7 per cent of $C{O}_2$ is carried in a dissolved state through plasma.

Hence the correct answer is (A)