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Circulatory system MCQs Quiz Online Tests pdf Download

Practice MCQs on circulatory system, biology MCQs for online test prep. Transport in mammals quiz has multiple choice questions (MCQ), circulatory system quiz questions and answers as pulmonary veins carry, answer key with choices as red oxygenated blood, bluish red deoxygenated blood, deoxygenated blood from heart to lungs and oxygenated blood from lungs to heart for competitive exam prep. Free study guide is to learn circulatory system quiz online 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 lungs
  4. oxygenated blood from lungs to heart

D

MCQ. When an artery dilates

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

B

MCQ. Endothelium is

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

C

MCQ. When heart relaxes,

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

D

MCQ. Veins do not require thick walls

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

C


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