Multiple choice

Which of the following statements is incorrect?

  1. Blood transports CO2 comparatively easily because of its high solubility.

  2. CO2 diffuses into blood, passes into RBCs and reacts with water to form H2CO3.

  3. Oxyhaemoglobin of erythrocytes is basic in nature.

  4. Chloride ions diffuse from plasma into erythrocytes to maintain ionic balance.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Oxyhaemoglobin is a stronger acid as it allows less CO2 to be transported as bicarbonate.

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