This quiz works best with JavaScript enabled. Home > Science > Biology > Circulatory System – Quiz 230 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Circulatory System Quiz 230 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Vein bringing blood from anterior part of your body A) Superior vena cava. B) Inferior vena cava. C) Pulmonary artery. D) Pulmonary vein. Show Answer Correct Answer: A) Superior vena cava. 2. Leucocytes A) Red blood cells. B) Platelets. C) White blood cells. D) None of above. Show Answer Correct Answer: C) White blood cells. 3. High light intensity favours high rate of transpiration because ..... A) High light intensity favour high rate of evaporation. B) High light intensity favours high rate of diffusion. C) High light intensity favours high rate of photosynthesis. D) High light intensity favours high rate of chlorophyl activation. Show Answer Correct Answer: B) High light intensity favours high rate of diffusion. 4. The below statement regarding valves in heart is not correct. హృదయ కవాటాలకు సంబంధించి సరైన వాక్యము కానిది. A) Valves are flap like structures. B) Embedded in apertures of heart. C) Bidirectional in function. Performs bidirectional function. D) Unidirectional in function. ఏకా దిశ కవాటాలు. Show Answer Correct Answer: C) Bidirectional in function. Performs bidirectional function. 5. Which system protects the body from pathogens? A) Circulatory. B) Immune. C) Nervous. D) Skeletal. Show Answer Correct Answer: B) Immune. 6. Inhale!!!!Your lungs are ..... air (oxygen). A) Taking in. B) Letting out. Show Answer Correct Answer: A) Taking in. 7. Haemoglobin contains which mineral: A) Gold. B) Iron. C) Iodine. D) Sodium. Show Answer Correct Answer: B) Iron. 8. Https://youtu.be/JA0Wb3gc4mEWatch the video and answer the following question. The oxygenated blood enter from the superior vena cava and the inferior vena cava and enters into the left atrium. A) True. B) False. Show Answer Correct Answer: B) False. 9. How long does the circulatory system stretch up to in miles? A) 60, 000. B) 21, 000. C) 24, 000. D) 66, 000. E) 32, 000. Show Answer Correct Answer: D) 66, 000. 10. A patient with anemia will present signs and symptoms of paleness, fatigue, unexplained weakness, and elevated hemoglobin and iron levels. A) True. B) False. Show Answer Correct Answer: B) False. 11. Valves keep blood from flowing backwards in the heart. A) TRUE. B) FALSE. Show Answer Correct Answer: A) TRUE. 12. The lower chambers of the heart are known as ..... A) Valves. B) Ventricles. C) Atria. D) Septum. Show Answer Correct Answer: B) Ventricles. 13. Which valve allows blood to flow from the right atrium to the right ventricle? A) Mitral valve. B) Tricuspid valve. C) Pulmonary valve. D) Aortic valve. Show Answer Correct Answer: B) Tricuspid valve. 14. Vessels that carry high pressure blood A) Arteries. B) Capillaries. C) Veins. D) None of above. Show Answer Correct Answer: A) Arteries. 15. Shortness of breath can be a sign of heart issues A) True. B) False. Show Answer Correct Answer: A) True. 16. What is the process of blood circulation? A) Lungs to left atrium to left ventricle to body cells to right atrium to right ventricle to lungs. B) Lungs to right atrium to right ventricle to body cells to left atrium to left ventricle to lungs. C) Lungs to left ventricle to left atrium to body cells to right ventricle to right atrium to lungs. D) Lungs to right ventricle to right atrium to body cells to left ventricle to left atrium to lungs. Show Answer Correct Answer: A) Lungs to left atrium to left ventricle to body cells to right atrium to right ventricle to lungs. 17. Which blood vessel has the thinnest walls? A) Capillary. B) Vein. C) Artery. D) Venule. Show Answer Correct Answer: A) Capillary. 18. Which part of the blood carries oxygen to your body? A) Red blood cells. B) Plasma. C) Platelets. D) White blood cells. Show Answer Correct Answer: A) Red blood cells. 19. When the atria contract, blood is squeezed into ..... A) The ventricles. B) The valves. C) The veins. D) The arteries. Show Answer Correct Answer: A) The ventricles. 20. Each side has ..... chambers and in total our heart ..... chambers. A) 2, 4. B) 3, 6. C) 4, 8. D) 1, 2. Show Answer Correct Answer: A) 2, 4. ← 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