This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Biology > Circulatory System – Quiz 150 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 150 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many blood types that humans have? A) 4. B) 3. C) 5. D) 2. Show Answer Correct Answer: A) 4. 2. What portion of the heart is supposed to be the most muscular? A) Atria. B) Ventricles. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Ventricles. 3. Which blood type is called the universal donor because it can be given to anyone. A) Type B. B) Type O. C) Type AB. D) Type A. Show Answer Correct Answer: B) Type O. 4. Which of the following component of blood helps in clotting of blood A) Plasma. B) Platelets. C) WBC. D) RBC. Show Answer Correct Answer: B) Platelets. 5. What part of blood carries hemoglobin? A) White blood cells. B) Plasma. C) Platelet. D) Red blood cells. Show Answer Correct Answer: D) Red blood cells. 6. The tricuspid valve is located between which chambers? A) Left ventricle. B) No pulmonary arter carries oxygen poor blood to the lungs. C) Right pulmonary vein and left pulmonary vein. D) Right atrium and right ventricle. Show Answer Correct Answer: D) Right atrium and right ventricle. 7. What is the function of alveoli in the respiratory system? A) To exchange gases. B) To produce surfactant. C) To warm and humidify air. D) To filter air. Show Answer Correct Answer: A) To exchange gases. 8. This is responsible for distributing electrical impulses through the heart A) Superior vena cava. B) Inferior vena cava. C) Atrioventricular node. D) Sinoatrial node. Show Answer Correct Answer: C) Atrioventricular node. 9. Which is not a component of the Respiratory System? A) Heart. B) Lungs. C) Nose and Mouth. D) Chest and throat. Show Answer Correct Answer: A) Heart. 10. In which body system are red blood cells (RBC) manufactured? A) Reproductive. B) Skeletal. C) Endocrine. D) Circulatory. Show Answer Correct Answer: B) Skeletal. 11. Another name for butterfly valve A) Three-way valve. B) Mitral valve. C) Semilunar valve. D) Mahatmaani. Show Answer Correct Answer: B) Mitral valve. 12. The subclavian artery runs underneath the? A) Scapula. B) Sternum. C) Humerus. D) Clavicle. Show Answer Correct Answer: D) Clavicle. 13. The ..... help in the clotting of blood A) Plasma. B) WBCs. C) Platelets. D) RBCs. Show Answer Correct Answer: C) Platelets. 14. What partition separates the left and right atria? A) Atrioventricular septum. B) Aortic arch. C) Myocardium. D) Interventricular septum. Show Answer Correct Answer: D) Interventricular septum. 15. A pure-breeding plant with smooth stems was crossed with a heterozygous plant with hairy stems. What will be the ratio of hairy:smooth stems in the resulting plants? A) A 1 hairy:1 smooth. B) B 1 hairy:3 smooth. C) C 3 hairy:1 smooth. D) D all hairy. Show Answer Correct Answer: A) A 1 hairy:1 smooth. 16. The right subclavian artery and the right common carotid artery are branches of the: A) Volar arch. B) Basilar artery. C) Brachiocephalic trunk. D) Celiac trunk. Show Answer Correct Answer: C) Brachiocephalic trunk. 17. Which heart valve allows blood flow from the right atrium into the right ventricle A) Tricuspid valve. B) Pulmonary valve. C) Bicuspid valve. D) Aortic Valve. Show Answer Correct Answer: A) Tricuspid valve. 18. What is the fuel used in a steam engine? A) Coal. B) Water. C) Natural gas. D) Petrol. Show Answer Correct Answer: B) Water. 19. If your blood type is Rh + (such as A+) then you have ..... on your red blood cells. A) Antibodies. B) Rh antigens. C) No Rh antigens. D) Multiple alleles. Show Answer Correct Answer: B) Rh antigens. 20. Red blood cells in baby are made in ..... A) Backbone. B) The tips of bones. C) Skull. D) Bone marrows. Show Answer Correct Answer: D) Bone marrows. 21. The tubes that bring back our blood from all over our body to heart called ..... A) Artery. B) Hoses. C) Capillaries. D) Vein. Show Answer Correct Answer: D) Vein. 22. If a red blood cell has no antigens on its surface, what is its blood type? A) B. B) O. C) AB. D) A. Show Answer Correct Answer: B) O. 23. Exchange of gases in the body cells occurs in the bronchioles. A) FALSE. B) TRUE. Show Answer Correct Answer: A) FALSE. 24. Which one is the BEST definition of the word adaptation? A) A behavior that helps a living thing survive. B) Body part or behavior that helps a living thing survive. C) A body part that helps a living thing survive. D) A feature that helps a plant survive. Show Answer Correct Answer: B) Body part or behavior that helps a living thing survive. 25. Heart (left ventricle) $\rightarrow$ all body tissues $\rightarrow$ heart (right atrium) A) Little blood circulation. B) Large blood circulation. Show Answer Correct Answer: B) Large blood circulation. 26. Blood in capillary beds flows from A) Arteries to veins. B) Veins to arteries. Show Answer Correct Answer: A) Arteries to veins. 27. The main purpose of the respiratory system is to helps us breathe. A) True. B) False. Show Answer Correct Answer: A) True. 28. All veins carry deoxygenated blood A) False. B) True. Show Answer Correct Answer: A) False. 29. During a biology class, Samuel, Noah, and Avery were discussing the human body. They were curious to know where the circulatory system and digestive system meet. Can you help them? A) Stomach. B) Liver. C) Small intestine. D) Large intestine. Show Answer Correct Answer: C) Small intestine. 30. Heart attacks most commonly occur when one or more of the coronary arteries-the blood vessels that supply blood to the heart-become blocked. A) True. B) False. Show Answer Correct Answer: A) True. 31. Carries messages from one part of the body to another using electrical signals. A) Brain. B) Spinal Cord. C) Neurons. D) None of above. Show Answer Correct Answer: C) Neurons. 32. When an organism's internal environment is kept stable in spite of changes in the environment is known as ..... A) Circulation. B) Homeostasis. C) Urination. D) Digestion. Show Answer Correct Answer: B) Homeostasis. 33. Transport oxygen and carbondioxide A) White blood cell. B) Red blood cell. C) Plasma. D) Platelet. Show Answer Correct Answer: B) Red blood cell. 34. The 2 lower chambers of the heart are called? A) Ventricles. B) Valves. C) Atria. D) Capillaries. Show Answer Correct Answer: A) Ventricles. 35. Which of the following chambers of heart have the thickest wall? A) Left Auricle. B) Right ventricle. C) Right Auricle. D) Left Ventricle. Show Answer Correct Answer: D) Left Ventricle. 36. What is the average life span of an erythrocyte? A) 10 days. B) 120 days. C) 8000 days. D) 12 days. Show Answer Correct Answer: B) 120 days. 37. Where is heart located A) Abdomen. B) Mediastinum. C) Above the lungs. D) Below Diaphragm. Show Answer Correct Answer: B) Mediastinum. 38. Thrombocytes are ..... A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. 39. The red blood cells take this waste gas away from the cells A) Oxygen. B) Carbon dioxide. C) Gas. D) Helium. Show Answer Correct Answer: B) Carbon dioxide. 40. How are vaccinations able to help us develop immunity? A) Exposure to disease creates antibodies which make us immune. B) Exposure to antibodies which makes us the disease immune to us. C) Exposure to immunity's which make us antibodies to the disease. D) None of above. Show Answer Correct Answer: A) Exposure to disease creates antibodies which make us immune. 41. Describe the septum A) Muscular wall:divides heart into right and left sides. B) Membrane (sac); covers heart; pericardial fluid between these 2 layers. C) Muscular middle layer. D) Lines inside of heart; allows smooth flow of blood. Show Answer Correct Answer: A) Muscular wall:divides heart into right and left sides. 42. What is the coordinated sequence of the heart's contractions and relaxations called? A) Coronary cycle. B) Pulmonary cycle. C) Aortic cycle. D) Cardiac cycle. Show Answer Correct Answer: D) Cardiac cycle. 43. How do we get bruises? A) Broken blood vessels. B) Bacteria. C) Sun burn. D) None of above. Show Answer Correct Answer: A) Broken blood vessels. 44. Your heart is an involuntary muscle that is always working. A) False. B) True. Show Answer Correct Answer: B) True. 45. Which part of the blood is a colorless liquid? A) White blood cells. B) Platelets. C) Red blood cells. D) Plasma. Show Answer Correct Answer: D) Plasma. 46. What is the equation for cardiac output? A) Stroke volume (SV) x Pulse Rate in one minute (PR) = Cardiac Output (CO). B) Stroke volume(SV) x PD (Pulse deficit) = CO (Cardiac Output). C) Force of beat x beats per minute = cardiac output. D) PR (pulse rate in 30 seconds) x PD (Pulse deficient) = CO (Cardiac Output). Show Answer Correct Answer: A) Stroke volume (SV) x Pulse Rate in one minute (PR) = Cardiac Output (CO). 47. Small blood vessels that exchange oxygen and carbon dioxide. A) Heart. B) Capillaries. C) Arteries. D) Veins. Show Answer Correct Answer: B) Capillaries. 48. Thin, non-muscular walls: A) Arteries. B) Veins. C) Capillaries. D) None of above. Show Answer Correct Answer: B) Veins. 49. ..... is the largest artery of our body. A) Atrium. B) Aorta. C) Venules. D) Arterioles. Show Answer Correct Answer: B) Aorta. 50. The push of blood through the blood vessels each time your heart beats. A) Pulse. B) Blood pressure. C) Heartbeat. D) Heart rate. Show Answer Correct Answer: A) Pulse. 51. Which part of the circulatory system receives oxygen-rich blood from the lungs? A) Left atrium. B) Right ventricle. C) Aorta. D) All of these. Show Answer Correct Answer: A) Left atrium. 52. What are tiny air sacs at the end of each bronchiole, where exchange of gases takes place? A) Alveoli. B) Capillaries. C) Cilia. D) Bronchus. Show Answer Correct Answer: A) Alveoli. 53. Which of the following is the smallest blood vessel? A) Arterioles. B) Veins. C) Venules. D) Capillaries. Show Answer Correct Answer: D) Capillaries. 54. From ..... fluid, cells absorb oxygen and other nutrients A) Tissue Fluid. B) Intercellular fluid. C) Interstitial fluid. D) All of the above. Show Answer Correct Answer: D) All of the above. 55. Minnie walked out from a dark cinema to the bright lobby. Which of the following happens? A) The radial muscles contract and the pupil enlarges. B) The circular muscles contract and the pupil becomes smaller. C) The circular muscles contract and the pupil enlarges. D) The radial muscles contract and the pupil becomes smaller. Show Answer Correct Answer: A) The radial muscles contract and the pupil enlarges. 56. Muscles that bend your joints work in ..... A) Pairs. B) A system. C) A trio. D) None of above. Show Answer Correct Answer: A) Pairs. 57. Which Valve is this? It controls blood flow from the Right Atria to the Right Ventricle A) Bicuspid. B) Aortic Semilunar Valve. C) Pulmonary Semilunar Valve. D) Tricuspid. Show Answer Correct Answer: D) Tricuspid. 58. The main organ of the nervous system. A) Spinal cord. B) Nerves. C) Neuron. D) Brain. Show Answer Correct Answer: D) Brain. 59. Scientific models use colour to make the circulatory system clearer. A) False. B) True. Show Answer Correct Answer: B) True. 60. Tiny tubes that branch off of bronchi A) Alveoli. B) Bronchioles. C) Pleura. D) Capillaries. Show Answer Correct Answer: B) Bronchioles. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books