Multiple choice

Which of the following pairs is incorrectly matched?

  1. Pulmonary vein - deoxygenated blood

  2. Heart - circulatory system

  3. Transpiration - plant conduction

  4. RBC - haemoglobin

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pulmonary vein carries oxygenated blood, and not deoxygenated blood. Therefore, option (1) is the correct answer.