This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 18 Body Fluids And Circulation – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Rh factor is named after A) Dog. B) Monkey. C) Bird. D) Tortoise. Show Answer Correct Answer: B) Monkey. 2. The smooth muscle in the wall of an artery or vein is called A) Tunica externa. B) Tunica interna. C) Tunica media. D) Tunica adventitia. Show Answer Correct Answer: C) Tunica media. 3. The heart has four chambers in humans. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 4. The neural center that regulates cardiac activity through ANS is located in: A) Cerebrum. B) Hypothalamus. C) Pons. D) Medulla. Show Answer Correct Answer: D) Medulla. 5. If due to some injury the chordae tendinae of the bicuspid valve of the human heart is partially non-functional, what would be the immediate effect? A) Heart beat would become irregular. B) Blood will tend to move back into the right atrium. C) The flow of blood into the aorta will be slowed down. D) The flow of blood into pulmonary artery will be reduced. Show Answer Correct Answer: C) The flow of blood into the aorta will be slowed down. 6. Blood vessel carrying least CO2: A) Pulmonary vein. B) Pulmonary artery. C) Vena cava. D) Hepatic vein. Show Answer Correct Answer: A) Pulmonary vein. 7. The opening between right Atrium and right Ventricle is guarded by A) Bicuspid valve. B) Semilunar valve. C) Tricuspid valve. D) None of the above. Show Answer Correct Answer: C) Tricuspid valve. 8. Which one of the following blood cells is involved in antibody production? A) B-Lymphocytes. B) T-Lymphocytes. C) Neutrophils. D) RBC. Show Answer Correct Answer: A) B-Lymphocytes. 9. Emphysema damages the tissues of the lungs and slows pulmonary blood flow. This causes blood to back up, stretching and weakening the walls of the heart and blood vessels. Which of the following do you think would be most affected by this backup of blood from the lungs? A) Aorta. B) Right atrium. C) Left atrium. D) Right ventricle. Show Answer Correct Answer: D) Right ventricle. 10. What is the correct order of these events?a. Conversion of fibrinogen to fibrinb. Clot retraction and leakage of serumc. Thromboplastin formationd. Conversion of prothrombin to thrombine. A wound or cut in blood vessel A) A, e, b, c, d. B) E, c, d, a, b. C) C, b, e, d, a. D) C, a, d, b, e. Show Answer Correct Answer: B) E, c, d, a, b. 11. Which component generate the maximum number of action potentials in human Heart? A) AV Node. B) AV Bundle. C) Bundle of HIS. D) SA Node. Show Answer Correct Answer: A) AV Node. 12. Heart receives A) Pure Blood. B) Venous Blood. C) Mixed Blood. D) Impure Blood. Show Answer Correct Answer: B) Venous Blood. 13. ) Blood transfusion is possible between groups ..... A) Donor A and recipient O. B) Donor B and recipient A. C) Donor AB and recipient O. D) Donor A and recipient AB. Show Answer Correct Answer: D) Donor A and recipient AB. 14. Life span of the RBC and destroyed in which organ? A) 125 and spleen. B) 120 and liver. C) 120 and spleen. D) 120 and kidney. Show Answer Correct Answer: C) 120 and spleen. 15. Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram? A) QRS complex indicates atrial contraction. B) QRS complex indicates ventricular contraction. C) Time between S and T represents atrial systole. D) P-wave indicates beginning of ventricular contraction. Show Answer Correct Answer: B) QRS complex indicates ventricular contraction. 16. Which of the following is the fluid component of blood? A) Plasma. B) Water. C) Lymph. D) Cerebrospinal fluid. Show Answer Correct Answer: A) Plasma. 17. Which proteolytic enzyme induces lysis of fibrin during fibrinolysis? A) Fibrin. B) Thrombin. C) Plasmin. D) Platelet factor VIII. Show Answer Correct Answer: C) Plasmin. 18. During the joint diastole heart receive? A) Deoxygenated blood. B) Oxygenated blood. C) Venous blood. D) None. Show Answer Correct Answer: A) Deoxygenated blood. 19. S 1-The mineral distribution of Tissue fluid and plasma is different.S 2-The fluid present in the lymphatic system is called the LymphS 3-Lymph is a colourless fluid, important carrier for nutrients, hormones. A) S 1 and S 3 are incorrect. B) S 1 and S 2 are incorrect. C) Only S 1 is incorrect. D) Only S 3 is incorrect. Show Answer Correct Answer: B) S 1 and S 2 are incorrect. 20. Which statement is true for WBCs? A) Non-nucleated. B) Its deficiency causes cancer. C) Manufactured only in thymus. D) Can squeeze through blood capillaries. Show Answer Correct Answer: D) Can squeeze through blood capillaries. 21. Rate of heartbeat is determined by A) Purkinje fibres. B) Papillary muscles. C) SA-node. D) AV-node. Show Answer Correct Answer: C) SA-node. 22. Anucleated cell is A) RBC. B) WBC. C) Platelets. D) Agglutinogens. E) None of the above. Show Answer Correct Answer: A) RBC. 23. How fats are absorbed through the Lymph?(A)Lacteals of intestinal villi(B)Chorionic villi(C)Alveoli(D)Microvilli A) Lacteals of intestinal villi. B) Chorionic villi. C) Alveoli. D) Microvilli. Show Answer Correct Answer: A) Lacteals of intestinal villi. 24. Megakaryocytes are special cells in A) Liver. B) Spleen. C) RBCs. D) Bone marrow. Show Answer Correct Answer: D) Bone marrow. 25. The most numerous WBC's are A) Neutrophil. B) Lymphocyte. C) Monocyte. D) Basophil. Show Answer Correct Answer: A) Neutrophil. ← 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