Quiz  /  Circulatory system Class 7 MCQ Questions With Answers

  • 1. 
    What is the liquid part of the blood called?

  • White Blood Cells
  • Platelets
  • Plasma
  • Red Blood Cells

  • 2. 
    Blood vessels that carry blood away from the heart.

  • Veins
  • Capillaries
  • Arteries
  • All of above

  • 3. 
    The upper part of the heart is made up of two chambers called what?

  • Ventricles
  • Atria

  • 4. 
    ___ takes place when blood travels from the heart, through the lungs, and back to the heart.

  • pulmonary circulation
  • systemic circulation

  • 5. 
    Which of the following are very small vessels that exchange oxygen and nutrients for waste and carbon dioxide from the blood to the cell?

  • Veins
  • Arteries
  • Capillaries
  • Platelets

  • 6. 
    This particular blood vessel carries de-oxygenated blood from the lower half of the body to the right atrium.

  • super vena cava
  • inferior vena cava
  • pulmonary artery
  • pulmonary vein

  • 7. 
    Which of the following carries waste products such as carbon dioxide back to the heart?

  • Arteries
  • Veins
  • Capillaries
  • Platelets

  • 8. 
    The heart pumps blood around the body through a network of blood vessels that is over ___ miles

  • 800
  • 100,000
  • 80,000
  • 50,000

  • 9. 
    What are disc-shaped cells that contain iron rich hemoglobin?

  • White Blood Cells
  • Capillaries
  • Plasma
  • Red Blood Cells

  • 10. 
    ___ are tiny blood vessels that carry blood to an from almost all body cells and connect arteries and veins.

  • arteries
  • veins
  • capillaries
  • None of these

  • 11. 
    Blood vessels that carry blood to the heart.

  • Veins
  • Arteries
  • Capillaries
  • None of these

  • 12. 
    This particular blood vessel carries deoxygenated blood away from the heart to the lungs.

  • superior vena cava
  • inferior vena cava
  • pulmonary artery
  • pulmonary vein

  • 13. 
    Which of the following is not a blood vessel?

  • Capillaries
  • Veins
  • Arteries
  • The Heart

  • 14. 
    The pulmonary veins carry oxygenated blood back to the ___

  • right atrium
  • left atrium
  • right ventricle
  • left ventricle

  • 15. 
    What are large cells that fight bacteria, viruses, and other invaders?

  • Red Blood Cells
  • Plasma
  • Platelets
  • White Blood Cells

  • 16. 
    Which of the following carries blood that has oxygen and nutrients away from the heart?

  • Veins
  • Arteries
  • Plasma
  • Red Blood Cells

  • 17. 
    After blood leaves the left atrium, it enters the ___.

  • right atrium
  • left atrium
  • right ventricle
  • left ventricle

  • 18. 
    This particular blood vessel carries de-oxygenated blood from the upper half of the body to the right atrium

  • super vena cava
  • inferior vena cava
  • pulmonary artery
  • pulmonary vein

  • 19. 
    After blood leaves the right atrium, it enters the ___.

  • right atrium
  • left atrium
  • right ventricle
  • left ventricle

  • 20. 
    This occurs when blood flow to part of the heart is blocked.

  • Heart attack
  • Stroke
  • Arrhythmia
  • None of these

  • 21. 
    Both the superior & inferior vena cava carry blood into the ___

  • right atrium
  • left atrium
  • right ventricle
  • left ventricle
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