Circulatory system MCQs Quiz Online PDF Book Download

Circulatory system MCQs, circulatory system quiz answers to learn biology courses online. Transport in mammals multiple choice questions (MCQs), circulatory system quiz questions and answers for undergraduate degree. Learn blood clotting: o level biology, double circulation in mammals, white blood cells, organ transplantion and rejection, circulatory system test prep for biology certifications.

Learn transport in mammals test MCQs: 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 for undergraduate degree. Practice assessment test for scholarships, online learning circulatory system quiz questions for competitive assessment in biology major.

MCQ on Circulatory systemQuiz Book 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