Most of the carbon dioxide in blood is transported as
A
carbamino-haemoglobin
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B
carbamino-protein
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C
bicarbonate
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D
dissolved carbon-dioxide
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Solution
The correct option is C bicarbonate Nearly 70 percent of carbon dioxide is transported as bicarbonate in the blood with the help of an enzyme carbonic anhydrase. 20-25 percent of carbon dioxide is transported by haemoglobin in RBCs as carbamino-haemoglobin. Some amount of carbon dioxide is also carried in a dissolved state through plasma.