TS EAMCET Medical 29 Sept 2020 Shift 1 Paper

Study The following statements regarding CO2 in blood.
I) Most of The CO2 is transported as bicarbonate ions
II) Least amount of CO2 is transported as carbonic acid
III) Haemoglobin also transports CO2
IV) When CO2 is formed due to oxidation of food, pH of blood increases
Among the above, the correct statements are