This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 30 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How many chambers does the heart have? A) 2. B) 4. C) 6. D) None of above. Show Answer Correct Answer: B) 4. 2. Which of the following is NOT a function of the lymphatic system? A) Removes excess fluid from around organs. B) Absorbs/transports fats. C) Circulates blood. D) Produces white blood cells. Show Answer Correct Answer: C) Circulates blood. 3. Are microscopic blood vessels where the exchange of important substances and wastes occurs. A) Capillaries. B) Arteries. C) Immune. D) Veins. Show Answer Correct Answer: A) Capillaries. 4. What do white blood cells do? A) Carry oxygen. B) Fight crime. C) Nothing. D) Fight viruses. Show Answer Correct Answer: D) Fight viruses. 5. In Circulatory System, what is meant by the term "Diastole" ? A) It refers to the alternating contraction and relaxation. B) It refers to the relaxation of the heart after the contraction. C) It refers to the period of time where the muscles of the heart contracts. D) None of above. Show Answer Correct Answer: B) It refers to the relaxation of the heart after the contraction. 6. What are the main parts of the cardiovascular system? A) Heart and lungs. B) Blood, blood vessels and heart. C) Blood, heart and brain. D) Veins, arteries, lungs and heart. Show Answer Correct Answer: B) Blood, blood vessels and heart. 7. Blood is produced in A) Blood Vessels. B) Heart. C) Bone Marrow. D) Lungs. Show Answer Correct Answer: C) Bone Marrow. 8. Blood is made up of Cells and a fluid called A) Nutrients. B) Hemoglobin. C) Plasma. D) Capillaries. Show Answer Correct Answer: C) Plasma. 9. The respiratory system delivers ..... to the blood stream and transports ..... out of the body? A) Oxygen, carbon dioxide. B) Carbon dioxide, oxygen. C) Water, gases. D) Nutrients, wastes. Show Answer Correct Answer: A) Oxygen, carbon dioxide. 10. The wall of muscle tissue which separates the right and left ventricle is called the A) Valve. B) Apex. C) Septum. D) Aorta. Show Answer Correct Answer: C) Septum. 11. What is the function of the "Bronchi" A) They are infinte braches of the trachea and carry air to the lungs. B) They are one braches of the trachea and carry air to the lungs. C) They are three braches of the trachea and carry air to the lungs. D) They are two braches of the trachea and carry air to the lungs. Show Answer Correct Answer: D) They are two braches of the trachea and carry air to the lungs. 12. Which of the following is the type of circulatory system in fish? A) Closed and complete double circulatory system. B) Closed and single circulatory system. C) Opened and single circulatory system. D) Opened and incomplete double circulatory system. Show Answer Correct Answer: B) Closed and single circulatory system. 13. The heart also pumps blood rich in ..... A) Money. B) Stocks. C) Dollars. D) Ill. Show Answer Correct Answer: D) Ill. 14. Which of the following gives blood its color? A) Red Blood Cells. B) White Blood Cells. C) Platelets. D) Plasma. Show Answer Correct Answer: A) Red Blood Cells. 15. A person with type A blood can successfully donate blood to a person with what blood type? A) A. B) B. C) O. D) None of these. Show Answer Correct Answer: A) A. 16. ..... are produced by flagella in spongocoel in poriferans to circulate nutrients and oxygen to the tissues. Nutrients and oxygen are supplied to the tissues by mixing the nutrients in the sponzocele present in the sponges. A) Currents. B) Ostial currents. ఆస్టియో ప్రవాహాలు. C) Water currents. D) All the above పైవన్నీ. Show Answer Correct Answer: C) Water currents. 17. SIMPLE PRESENT TENSE1. She ..... with her parents in London. A) Lived. B) Lives. C) Living. D) Live. Show Answer Correct Answer: B) Lives. 18. Which of the following statements explains the physiological significance of the Bohr effect in mammalian muscle? A) Haemoglobin becomes fully saturated at lower oxygen partial pressures. B) Myoglobin becomes fully saturated at lower oxygen partial pressures. C) Higher carbon dioxide partial pressures favour unloading of oxygen from haemoglobin. D) Myoglobin releases oxygen more rapidly to respiring cells. Show Answer Correct Answer: C) Higher carbon dioxide partial pressures favour unloading of oxygen from haemoglobin. 19. ..... are blood cells that attack the microbes that causes diseases to the human A) One. B) Plasma. C) Atrium. D) White blood cells. Show Answer Correct Answer: D) White blood cells. 20. There are two types of circulatory system which are open and closed circulatory system. Based on the organism, which one has an open circulatory system? A) Insects. B) Fish. C) Amfibia. D) Human. Show Answer Correct Answer: A) Insects. ← PreviousNext →Related QuizzesScience QuizzesCirculatory System Quiz 1Circulatory System Quiz 2Circulatory System Quiz 3Circulatory System Quiz 4Circulatory System Quiz 5Circulatory System Quiz 6Circulatory System Quiz 7Circulatory System Quiz 8Circulatory System Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books