question_answer

Which of the following statements are true?

(i) The blood transports \[C{{O}_{2}}\] comparatively easily because of its higher solubility.

(ii) Approximately 8-9% of \[C{{O}_{2}}\] is transported being dissolved in the plasma of blood.

(iii) The carbon dioxide produced by the tissues, diffuses passively into the blood stream and passes into red blood corpuscles and react with water to form \[{{H}_{2}}C{{O}_{3}}.\]

(iv) The oxyhaemoglobin \[(Hb{{O}_{2}})\] of the erythrocytes is basic.

(v) The chloride ions' diffuse from plasma into the erythrocytes to maintain ionic balance.

A) (i), (iii) and (v) are true, (ii) and (iv) are false

B) (i), (iii) and (v) are false, (ii) and (iv) are true

C) (i), (ii) and (iv) are true, (iii) and (v) are false

D) (i), (ii) and (iv) are false, (iii) and (v) are true