Read the given statements and select the correct option.

Statement 1: About 70% of $C O_{2}$ that enters RBCs changes into. $H C O_{3}$ for transport in plasma to the lungs where it reconverts into $C O_{2}$ for elimination.
Statement 2: About 40% of $C O_{2}$ that enters RBCs changes into carbaminohaemoglobin which releases $O_{2}$ in the lungs.

Both statements 1 and 2 are correct.

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Statement 1 is correct but statement 2 is incorrect.

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Statement 1 is incorrect but statement 2 is correct.

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Both statements 1 and 2 are incorrect.

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Solution

The correct option is B Statement 1 is correct but statement 2 is incorrect.
About 20- 25% of $C O_{2}$ is carried by Hb as carbaminohaemoglobin. $C O_{2}$ reacts directly with amine radicals $N H_{2}$ of Hb to form an unstable compound called carbaminohaemoglobin which releases $C O_{2}$ in the lungs.

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Similar questions

C O_{2}

H_{2} O

Choose the correct option based on the statements given below:

Statement 1: Carbon always shares electrons and forms covalent bond with other elements.

Statement 2: $C^{+ 4}$ and $C^{- 4}$ ions are highly unstable.

Statement 1: Carbon always forms covalent bond with other elements.
Statement 2: $C^{+ 4}$ and $C^{- 4}$ ions are highly unstable.

Given below are four statements.With respect to these statements choose the correct option(s).

Statement 1: RBCs carry out gylcolysis.

Statement 2: RBCs derive ATP through electron transport chain.

Statement 3: RBCs are derived from hemocytoblasts.

Statement 4: RBCs are concave shaped.

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