This quiz works best with JavaScript enabled. Home > Cbse > Class 11 > Science > Biology > Class 11 Biology Chapter 18 Body Fluids And Circulation – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which statement is incorrect about haemoglobin A) It helps in Oxygen transport. B) It helps in CO2 transport. C) It is a triglyceride. D) It is a protein. Show Answer Correct Answer: C) It is a triglyceride. 2. Valves occur in: A) Arteries, veins and auricles. B) Atria, ventricles and veins. C) Arteries, veins and ventricles. D) SA node, AV node, veins. Show Answer Correct Answer: B) Atria, ventricles and veins. 3. The heart rate is maximum in A) Adult Females. B) Adult Males. C) Foetus. D) Elderly People. Show Answer Correct Answer: C) Foetus. 4. Read the following statements and select the correct option.Statement 1:The four-chambered heart is present in birds and crocodiles.Statement 2:Birds have two separate circulatory pathways. A) Both statements 1 and 2 are incorrect. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: A) Both statements 1 and 2 are incorrect. 5. Which of the following statements is / are incorrect about lymph?i) Lymph is colourful as it has haemoglobin but no RBCii) It contains specialised lymphocytes which are responsible for immunity for the body.iii) Lymph is an important carrier for nutrients and hormones.iv) Fats are absorbed through lymph in the lacteals present in the intestinal villi. A) (i) only. B) (iii) and (iv). C) (ii) and (iii). D) (iv) only. Show Answer Correct Answer: A) (i) only. 6. Which of the following is a characteristic of the closed circulatory system? A) Blood flows freely in body cavities. B) Blood is not oxygenated. C) No heart is present. D) Blood is always contained within vessels. Show Answer Correct Answer: D) Blood is always contained within vessels. 7. What is the primary function of the pulmonary circulation? A) Remove carbon dioxide from tissues. B) Transport blood to the heart. C) Oxygenate blood in the lungs. D) Deliver oxygen to tissues. Show Answer Correct Answer: C) Oxygenate blood in the lungs. 8. Fully mature human RBC has ..... A) A Nucleus. B) No nucleus. C) Nucleus may or may not be present. D) None of the above. Show Answer Correct Answer: B) No nucleus. 9. Which of the following statements is correct regarding veins? A) Carry blood from an organ towards the heart. B) All veins carry oxygenated blood with single exception. C) Carry blood from heart towards the organ. D) All of these. Show Answer Correct Answer: A) Carry blood from an organ towards the heart. 10. Platelets are formed from A) Megakaryocytes. B) Macrokaryoblast. C) Macrophages. D) Megakaryoblast. Show Answer Correct Answer: A) Megakaryocytes. 11. Arteries have ..... and ..... walls when compared to veins A) Thinner; stronger. B) Thicker; stronger. C) Thinner; weaker. D) Thicker; weaker. Show Answer Correct Answer: B) Thicker; stronger. 12. Histamine and the natural anti-coagulant heparin are released by what type of white blood cells? A) Neutrophils. B) Basophils. C) Monocytes. D) Eosinophils. Show Answer Correct Answer: B) Basophils. 13. A person with AB blood group: A) Has A, B antigen in plasma. B) Lacks any antibodies on RBCs. C) Can receive blood transfusion from a person of his own blood group. D) Can donate blood to all other group recipients. Show Answer Correct Answer: C) Can receive blood transfusion from a person of his own blood group. 14. A heart murmur indicates a defective: A) Bundle of his. B) AV node. C) SA node. D) Heart valves. Show Answer Correct Answer: D) Heart valves. 15. The phrase "graveyard of RBC" is used for A) Heart. B) Liver. C) Bone marrow. D) Spleen. Show Answer Correct Answer: D) Spleen. 16. 1st heart sound is due to A) Closure of semilunar valve. B) Closure of pulmonary and aortic valve. C) Vibration just after closure of mitral and tricuspid valve. D) Vibration after closure of pulmonary and aortic valve. Show Answer Correct Answer: C) Vibration just after closure of mitral and tricuspid valve. 17. What part of the lymphatic system acts as a trap to filter foreign particles and pathogens out of the lymph? A) Thymus. B) Tonsil, but not the appendix. C) Lymph nodes. D) Lymph capillaries. Show Answer Correct Answer: C) Lymph nodes. 18. Platelets play a major role in: A) Oxygen transport. B) Blood clotting. C) Nutrient absorption. D) Immune response. Show Answer Correct Answer: B) Blood clotting. 19. Assertion (A)-Atherosclerosis, affects the vessels that supply blood to the heart muscle.Reason (R)-Deposition of calcium, fat, cholesterol and fibrous tissues makes the lumen of artery narrower . A) Both A and R are true and R is correct explanation of A. B) Both A and R are true and R is not correct explanation of A. C) A is true but R is false. D) A is false but R is true. Show Answer Correct Answer: A) Both A and R are true and R is correct explanation of A. 20. Standard ECG of a normal person. The P-wave represents the ..... A) Contraction of both the atria. B) B) Initiation of the ventricular contraction. C) C) Beginning of the systole. D) D) End of systole. Show Answer Correct Answer: A) Contraction of both the atria. 21. What would be the heart rate of a person if the cardiac output is 6 L, blood volume in the ventricles at the end of diastole is 120 mL and at the end of ventricular systole is 60 mL? A) I00 beats per minute. B) 75 beats per minute. C) 50 beats per minute. D) I25 beats per minute. Show Answer Correct Answer: A) I00 beats per minute. 22. Which of the following is associated with decrease in cardiac output: A) Adrenal medullary hormones. B) Pneumotaxic centre. C) Sympathetic nerves. D) Parasympathetic neural signals. Show Answer Correct Answer: D) Parasympathetic neural signals. 23. Mark the pair of substances among the following which is essential for coagulation of blood A) Heparin and calcium ions. B) Calcium ions and platelet factors. C) Oxalates and citrates. D) Platelet factors and heparin. Show Answer Correct Answer: B) Calcium ions and platelet factors. 24. Visceral and parietal pericardium is made up of: A) Cuboidal and squamous epithelium. B) Simple squamous epithelium. C) Collagen fibres. D) Endothelium. Show Answer Correct Answer: B) Simple squamous epithelium. 25. Rh factor was discovered by A) Landsteiner and Weiner. B) William Harvey. C) Malpighi. D) None of these. Show Answer Correct Answer: A) Landsteiner and Weiner. 26. Heart pumps blood more forcefully in older persons than younger ones due to A) Decrease in oxygen content of blood. B) Decrease in elasticity of arteries. C) Fall in nutrient content of blood. D) Increase in elasticity of arteries. Show Answer Correct Answer: B) Decrease in elasticity of arteries. 27. Conversion of C02 into H2 CO 3 is carried out by enzyme A) Hexokinase. B) Carbonic anhydrase. C) Carboxy peptidase. D) Both a and c. Show Answer Correct Answer: B) Carbonic anhydrase. 28. Read the following statements and select the correct option.Statement 1:Lymphatic capillaries are free and blind at one end.Statement 2:Lymph does not flow in a circular manner. A) Both statements 1 and 2 are correct. B) Statement 1 is correct but statement 2 is incorrect. C) Statement 1 is incorrect but statement 2 is correct. D) D) Both statements 1 and 2 are incorrect. Show Answer Correct Answer: A) Both statements 1 and 2 are correct. 29. Which blood component is correctly paired with its primary function in transport and defense? A) Platelets-oxygen transport. B) RBCs-oxygen carriage. C) WBCs-gas exchange. D) Plasma-clot formation. Show Answer Correct Answer: B) RBCs-oxygen carriage. 30. -Assertion. The alveoli are richly supplied with blood.Reason. Each bronchiole has 10 alveolar sacs. A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion. B) Assertion and Reason are true but Reason is not the correct explanation of Assertion. C) Assertion is true but Reason is false. D) Both Assertion and Reason are false. Show Answer Correct Answer: D) Both Assertion and Reason are false. 31. Blood flow velocity is slowest in the A) Arteries. B) Capillaries. C) Arterioles. D) Venules. Show Answer Correct Answer: B) Capillaries. 32. Which of the following chambers of the heart pumps oxygenated blood to the systemic circulation? A) Left atrium. B) Right atrium. C) Right ventricle. D) Left ventricle. Show Answer Correct Answer: D) Left ventricle. 33. Protein constitute how much percentage of plasma A) 6-8. B) 5-7. C) 8-10. D) 2-5. Show Answer Correct Answer: A) 6-8. 34. Coagulation will not be affected in the absence of factor A) XII. B) VI. C) VIII. D) VII. Show Answer Correct Answer: B) VI. 35. The atrioventricular valve of the heart is prevented from turning inside out by tough strands of connective tissue is called as- A) Chordae tendinae. B) Papillary muscle. C) Bicuspid valve. D) Tricuspid valve. Show Answer Correct Answer: A) Chordae tendinae. 36. The 'lubb' sound is caused due to: A) Closing of semilunar valves. B) Filling of ventricles. C) Ventricular contraction. D) Closing of AV valves. Show Answer Correct Answer: D) Closing of AV valves. 37. We need to draw blood from a patient and keep it in a test tube for analysis of blood corpuscles and plasma. We are provided with the following types of test tubes. Which of these will you not use for the purpose? A) Test tube containing EDTA. B) Test tube containing Sodium Citrate. C) Test tube containing Calcium Chloride. D) Test tube containing Heparin. Show Answer Correct Answer: C) Test tube containing Calcium Chloride. 38. What is the difference between systole and diastole? A) Oxygenation vs deoxygenation. B) Filling vs emptying. C) Pumping vs resting. D) Contraction vs relaxation. Show Answer Correct Answer: D) Contraction vs relaxation. 39. AV bundle give rise to minute fibres that are present throughout the ventricles are- A) Chordae tendinae. B) Muscle fibre. C) Purkinjie fibres. D) Nodal tissue. Show Answer Correct Answer: C) Purkinjie fibres. 40. ) Assertion:In most mammals R.B.Cs are devoid of nucleus 2.) Reason:Red color is filled in the entire cytoplasm of R.B.Cs, iron containing complex proteins called haemoglobin. A) Both assertion and reason are true and reason is correct explanation of assertion. B) Both assertion and reason are true but reason is not correct explanation of assertion. C) Assertion is true but reason is false. D) Assertion is false but reason is true. Show Answer Correct Answer: A) Both assertion and reason are true and reason is correct explanation of assertion. 41. The pacemaker of the heart is located in the A) Right atrium. B) Left atrium. C) Left ventricle. D) Right ventricle. Show Answer Correct Answer: A) Right atrium. 42. Identify the correctly matched pair A) Eosinophils-allergy reactions. B) Neutraphils-immune response. C) Lymphocytes-inflammatory reactions. D) Basophils-phagocytosis. Show Answer Correct Answer: A) Eosinophils-allergy reactions. 43. The lymph serves to A) Return the interstitial fluid to the blood. B) Return the WBCs and RBCs to the lymph nodes. C) Transport CO$_{2}$ to the lungs. D) Transport O$_{2}$ to the brain. Show Answer Correct Answer: A) Return the interstitial fluid to the blood. 44. KIDNEY SHAPED nucleus occurs in: A) Neutrophils. B) B lymphocytes. C) Eosinophils. D) Monocytes. Show Answer Correct Answer: D) Monocytes. 45. Erythroblastosis Fetalis occurs when mother's blood is ..... and foetus blood is ..... A) RH positive, RH negative. B) RH negative, RH negative. C) RH negative, RH positive. D) RH positive, RH positive. Show Answer Correct Answer: C) RH negative, RH positive. 46. Apart from Heart, high blood pressure affects which parts of human body? A) Kidney and liver. B) Brain and pancreas. C) Lungs and spleen. D) Brain and kidney. Show Answer Correct Answer: A) Kidney and liver. 47. ASSERTION (A):Arteries always carry oxygenated bloodREASON (R):Arteries always carry blood away from the heart A) Both A and R are true and R is correct explanation of A. B) Both A and R are true and R is not correct explanation of A. C) A is true R is false. D) A is false R is true. Show Answer Correct Answer: D) A is false R is true. 48. Heart "murmur" is heard during: A) Closing of bicuspid and tricuspid valves. B) Closing of semilunar valves. C) Leaking of blood through valves. D) All of the above. Show Answer Correct Answer: C) Leaking of blood through valves. 49. Histamines in the blood is secreted by? A) Eosinophil. B) Neutrophils. C) Lymphocyte. D) Basophil. Show Answer Correct Answer: D) Basophil. 50. Which one of the following animals has two separate circulatory pathways? A) Shark. B) Whale. C) Frog. D) Lizard. Show Answer Correct Answer: B) Whale. 51. ..... population has Rh ..... on the surface of ..... present in their ..... A) 80%, antibody, platelet, plasma. B) 20%, antibody, RBC, blood. C) 20%, antigen, platelets, plasma. D) 80 %, antigen, RBC, blood. Show Answer Correct Answer: D) 80 %, antigen, RBC, blood. 52. A matured mammalian RBC is unusual because A) It can change its shape. B) It exhibits diapedesis. C) It has no nucleus. D) It is colourless. Show Answer Correct Answer: C) It has no nucleus. 53. Which of the following statements are correct?i) Ca$^{2+}$ is necessary for blood coagulation.ii) Coagulation in blood vessel is prevented during normal condition by hepariniii) Clotting of blood involves changes of fibrinogen to fibrin by thrombiniv) Blood clotting involves cascading process involving a number of factors present always in the active form. A) (i), (iii) and (iv). B) (ii) and (iv). C) (i), (ii) and (iii). D) (iii) and (iv). Show Answer Correct Answer: C) (i), (ii) and (iii). 54. Which of the following is an agranulocyte? A) Neutrophil. B) Eosinophil. C) Lymphocyte. D) Basophil. Show Answer Correct Answer: C) Lymphocyte. 55. Match the following columns and select the correct option. Column I Column II A Myocardial infarction 1. Chronic heart valve damageB Myocardial ischemia 2. Blood flow to myocardium is restricted C Heart failure 3. Blood clot causes heart attackD Rheumatic heart disease 4. Inadequate pumping by heart A) A-4, B-1, C-2, D-3. B) A-2, B-1, C-4, D-3. C) A-3, B-2, C-4, D-1. D) A-4, B-3, C-1, D-2. Show Answer Correct Answer: C) A-3, B-2, C-4, D-1. 56. Which of the following are granulocytes? A) Lymphocytes and monocytes. B) Neutrophils, eosinophills and basophils. C) Monocytes and lymphocytes. D) Platelets and monocytes. Show Answer Correct Answer: B) Neutrophils, eosinophills and basophils. 57. What is the function of the sino-atrial node (SAN)? A) Filters blood. B) Produces hormones. C) Pumps blood. D) Generates action potentials. Show Answer Correct Answer: D) Generates action potentials. 58. Detection of blood groups is done by agglutinisation test using antiserum. According to this method, if the blood shows coagulation with A) Antiserum B, blood group is AB. B) Antiserum B, blood group is B. C) Antiserum A and B, blood group is O. D) Antiserum A, blood group is O. Show Answer Correct Answer: B) Antiserum B, blood group is B. 59. S 1-Basophils are associated with allergic reactions.S 2-Eosinophils are involved in inflammatory reactions. 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. 60. Cardiac activity could be moderated by the autonomous neural system. Tick the correct answer. A) The parasympathetic system stimulates heart rate and stroke volume. B) The sympathetic system stimulates heart rate and stroke volume. C) The parasympathetic system decreases the heart rate but increase stroke volume. D) The sympathetic system decreases the heart rate but increase stroke volume. Show Answer Correct Answer: B) The sympathetic system stimulates heart rate and stroke volume. ← PreviousNext →Related QuizzesScience QuizzesClass 11 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 5Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 6Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 7Class 11 Biology Chapter 1 The Living World QuizClass 11 Biology Chapter 10 Cell Cycle And Cell Division Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books