This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 18 Body Fluids And Circulation – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A simple organism such as a jellyfish uses ..... to exchange gases and nutrients with their surrounding environment. A) Blood. B) Diffusion. C) Atria. D) Blood vessels. Show Answer Correct Answer: B) Diffusion. 2. Tick the correct answer:Erythroblastosis foetalis is due to the destruction of A) Foetal suffers from artheroscelorosis. B) Foetal RBCs. C) Foetal WBCs. D) Both B and C. Show Answer Correct Answer: B) Foetal RBCs. 3. In the ABO blood grouping you normally can be type: A) A. B) B. C) ABO. D) A, B, AB or O. E) All of the above. Show Answer Correct Answer: D) A, B, AB or O. 4. A specialised nodal tissue embedded in the lower corner of the right atrium, close to Atrio-ventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec. This delay allows A) The atria to empty completely. B) Blood to enter aorta. C) The ventricles to empty completely. D) Blood to enter pulmonary arteries. Show Answer Correct Answer: A) The atria to empty completely. 5. The life span of human granulocytic WBC is approximately A) Between 2 to 3 months. B) More than 4 months. C) Less than 10 days. D) Between 20 to 30 days. Show Answer Correct Answer: C) Less than 10 days. 6. S 1-Open circulatory system is considered to be more advantageous than closed one.S 2-Closed circulatory system are present in Chordates and Annelids. A) S 1 and S 2 are true. B) S 1 and S 2 are false. C) S 1 is true but S 2 is false. D) S 1 is false but S 2 is true. Show Answer Correct Answer: D) S 1 is false but S 2 is true. 7. Second cardiac sound is associated with- A) Closure of tricuspid and bicuspid valves. B) Opening of tricuspid and bicuspid valves. C) Closure of semilunar valves. D) Closure of atrioventricular valves. Show Answer Correct Answer: C) Closure of semilunar valves. 8. S 1-Heart, the mesodermally derived organ, is situated in the abdominal cavity.S 2-The atrium and the ventricle of the same side are separated by a thin fibrous tissue called the atrio-ventricular septum. A) S 1 and S 2 are true. B) S 1 and S 2 are False. C) S 1 is true but S 2 is false. D) S 1 is false but S 2 is true. Show Answer Correct Answer: B) S 1 and S 2 are False. 9. What is the significance of the first heart sound (lub)? A) Opening of atrioventricular valves. B) Closure of atrioventricular valves. C) Closure of semilunar valves. D) Opening of semilunar valves. Show Answer Correct Answer: B) Closure of atrioventricular valves. 10. Lymph nodes form A) Hormones. B) Lymph. C) Antigens. D) Antibodies. Show Answer Correct Answer: D) Antibodies. 11. Which of the following statements about circulatory systems is false? A) In closed circulatory systems, blood flows through vessels that are separate from the interstitial fluid of the body. B) The earthworm has a closed circulatory system. C) In an open circulatory system, hemolymph empties into the body cavity. D) Lobsters are organisms that have closed circulatory systems. Show Answer Correct Answer: D) Lobsters are organisms that have closed circulatory systems. 12. A drop of each of the following is placed seperately on four slides, which of them will not coagulate: A) Blood serum. B) Sample from thoracic duct of the lymphatic system. C) Whole blood from pulmonary vein. D) Blood plasma. Show Answer Correct Answer: A) Blood serum. 13. PH of blood A) Is greater than 9. B) Ranges between 7-8. C) Is less than 7. D) None of these. Show Answer Correct Answer: B) Ranges between 7-8. 14. The condition of Erythroblastosis foetalis can be avoided by administering- A) Rh antigen to the mother immediately after the delivery of the first child. B) Anti-Rh antibodies to the mother immediately after the delivery of the first child. C) Rh antigen to the mother immediately after the delivery of the second child. D) Anti-Rh antibodies to the mother immediately after the delivery of the second child. Show Answer Correct Answer: B) Anti-Rh antibodies to the mother immediately after the delivery of the first child. 15. In which one of the following pairs, two terms represent the same thing? A) Lymphocyte-Erythrocyte. B) Plasma-Serum. C) Mitral valve-Bicuspid valve. D) Atrioventricular node-Pacemaker. Show Answer Correct Answer: C) Mitral valve-Bicuspid valve. 16. The hepatic portal vein carries blood from ..... to the ..... before it is delivered to the systemic circulation A) Liver, intestine. B) Intestine, Liver. C) Intestine, Pancrease. D) Intestine, stomach. Show Answer Correct Answer: B) Intestine, Liver. 17. The ability to generate action potentials without any external stimuli is called- A) Autorhythmicity. B) Automaticity. C) Autoextensibility. D) Autoexcitability. Show Answer Correct Answer: D) Autoexcitability. 18. Prothrombin, which helps in clotting of blood, is released by A) Monocytes. B) Erythrocyte. C) Blood platelets. D) Iymphocytes. Show Answer Correct Answer: C) Blood platelets. 19. Blood, a special type of connective tissue- A) Consists of a fluid matrix (Plasma). B) Has formed elements. C) Is the most commonly used body fluid by most of the higher organisms. D) All. Show Answer Correct Answer: D) All. 20. Plasma without clotting factors is called A) Lymph. B) Haemolymph. C) Serum. D) Interstitial fluid. Show Answer Correct Answer: C) Serum. 21. What is the significance of the atrio-ventricular node (AVN)? A) Regulates blood pressure. B) Initiates heart contractions. C) Pumps blood to the lungs. D) Delays the electrical impulse. Show Answer Correct Answer: D) Delays the electrical impulse. 22. As blood travels from arteries to veins, A) Pressure builds. B) Pressure drops. C) Flow becomes turbulent. D) Diameter of the blood vessels gets progressively smaller. Show Answer Correct Answer: B) Pressure drops. 23. Reduction in pH of blood will: A) Reduce the rate of heartbeat. B) Reduce the blood supply to the brain. C) Decrease the affinity of Hb with O2. D) Release HCO3-ions in the liver. Show Answer Correct Answer: C) Decrease the affinity of Hb with O2. 24. The end of the T wave of standard ECG represents A) End of systole. B) Beginning of systole. C) End of diastole. D) Beginning of diastole. Show Answer Correct Answer: A) End of systole. 25. The blood group that does not contain antibodies in plasma A) A. B) B. C) O. D) AB. Show Answer Correct Answer: D) AB. ← PreviousNext →Related QuizzesClass 11 Biology Chapter 18 Body Fluids And Circulation Quiz 1Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 2Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 3Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 4Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 5Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 6Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 7Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 8Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 9Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books