Circulatory system MCQs Quiz Online PDF Download

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IGCSE biology practice test MCQ: pulmonary veins carry with choices red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to the lungs and oxygenated blood from lungs to heart with online job placement tests, pre-employment assessment tests and financial aids tests. Free study guide is for online learning circulatory system quiz test with MCQs to practice test questions with answers.

MCQs on Circulatory system Quiz PDF Download

MCQ: Pulmonary veins carry

  1. red oxygenated blood
  2. bluish red deoxygenated blood
  3. deoxygenated blood from heart to the lungs
  4. oxygenated blood from lungs to heart


MCQ: When an artery dilates

  1. the lumen becomes constricted
  2. the lumen gets wider
  3. person may appear pale
  4. the elastic muscles become ineffective


MCQ: Endothelium is

  1. elastic in nature
  2. fully permeable
  3. selectively permeable
  4. non-permeable


MCQ: When heart relaxes,

  1. person respires
  2. peristalsis movements occur
  3. bile is produced
  4. the heart gets filled with blood


MCQ: Veins do not require thick walls

  1. as they do not have to work harder
  2. they are required only occasionally
  3. the blood pressure declines while it gets to veins
  4. the blood pressures is immense