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NEET Previous Year Question

$Approximately seventy percent of carbon dioxide absorbed by the blood will be transported to the lungs$

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

A $As bicarbonate ions$
B $In the form of dissolved gas molecules$
C $By binding to R.B.C.$
D $As carbamino - haemoglobin$

Correct answer: A

Solution

(a) About 70% of C O_{2} is transported in blood as bicarbonate ions (HCO_{3}^{-}) formed with the help of carbonic anhydrase in RBCs.

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