This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 18 Body Fluids And Circulation – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. During the process of blood coagulation, vitamin K helps in A) The formation of thromboplastin. B) The conversion of fibrinogen to fibrin. C) The conversion of prothrombin to thrombin. D) The formation of prothrombin. Show Answer Correct Answer: D) The formation of prothrombin. 2. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence? A) Serum globulins. B) Fibrinogin in plasma. C) Serum albumins. D) Haemocyte. Show Answer Correct Answer: A) Serum globulins. 3. Ratio of oxyhaemoglobin and haemoglobin in blood is based upon: A) O2 tension. B) CO2 tension. C) Carbonate tension. D) Bicarbonate tension. Show Answer Correct Answer: A) O2 tension. 4. In a healthy adult man, the smallest type of leucocytes are A) Basophils. B) Monocytes. C) Lymphocytes. D) Eosinophils. Show Answer Correct Answer: C) Lymphocytes. 5. As per the guidelines of the Indian Red Cross Society, which of the following persons is recommended for blood donation? A) People not in good health, under the influence of alcohol or drugs. B) Ladies during menstruation, pregnancy and breast feeding. C) Healthy women but unwed and below the age of 35. D) Persons who are immunised with live vaccines. Show Answer Correct Answer: D) Persons who are immunised with live vaccines. 6. The hepatic portal vein drains blood to liver from: A) Stomach. B) Kidneys. C) Intestine. D) Heart. Show Answer Correct Answer: C) Intestine. 7. What is the composition blood? A) Plasma. B) Fluid matrix. C) Formed elements. D) All of the above. Show Answer Correct Answer: D) All of the above. 8. Which WBCs secrete histamine and serotonin? A) Basophils. B) Neutrophils. C) Monocytes. D) Eosiniphils. Show Answer Correct Answer: A) Basophils. 9. Fill the correct option for (i) and (ii). Open circulatory system is present in (i) and (ii). A) (i)-platyhelminthes (ii)-molluscs. B) (i)-arthropods (ii)-platyhelminthes. C) (i)-annelids (ii)-arthropods. D) (i)-arthropods (ii)-molluscs. Show Answer Correct Answer: D) (i)-arthropods (ii)-molluscs. 10. What is the relationship between cholesterol with blood pressure? A) It increases metabolic rate and in turn increases blood pressure. B) It decreases metabolic rate and in turn increases blood pressure. C) It deposits over the wall of arteries and decreases blood pressure. D) It deposits in the arteries and increase blood pressure. Show Answer Correct Answer: D) It deposits in the arteries and increase blood pressure. 11. What is the significance of the atrioventricular node? A) Initiates heart contractions. B) Delays the electrical impulse. C) Regulates blood pressure. D) Produces red blood cells. Show Answer Correct Answer: B) Delays the electrical impulse. 12. A sample of blood shows clumping with antiserum A but bot with antiserum B . the blood group is: A) O. B) A. C) B. D) AB. Show Answer Correct Answer: B) A. 13. S 1-A healthy person has 12-16 gms of haemoglobin in every 1 L of blood.S 2-Hemoglobin molecule contain Iron. 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. 14. A specialized nodal tissue embedded in the lower corner of the right atrium, close to the Atrio-ventricular septum, delays. the spreading of impulses to the heart apex for about 0.1 sec. This delay allows- A) Blood to enter the aorta. B) The ventricles to empty completely. C) The atria to empty completely. D) Blood to enter pulmonary arteries. Show Answer Correct Answer: C) The atria to empty completely. 15. Which of the following animals has two different circulatory pathways: A) Frog. B) Lizard. C) Whale. D) Shark. Show Answer Correct Answer: C) Whale. 16. The cells involved in inflammatory reactions are A) Eosinophils. B) Basophils. C) Neutrophils. D) Lymphocytes. Show Answer Correct Answer: A) Eosinophils. 17. Choose the appropriate option for WBCs with correct properties-I. They are nucleated ll. They are non-nucleated like RBC. III. They are 6000-8000 cm$^{-3}$ of blood. IV. They are long lived V . They are short-lived A) L, III and V. B) Ll, IV and V. C) L, IV and V. D) I and V. Show Answer Correct Answer: D) I and V. 18. If the systolic pressure is 120 mm Hg and diastolic pressure is 80 mm Hg, the pulse pressure is A) 120 x 80 = 9600 mmHg. B) 120 + 80 = 200 mmHg. C) 120-80 = 40 mmHg. D) 120/80 = 1.5 mmHg. Show Answer Correct Answer: C) 120-80 = 40 mmHg. 19. Compared to blood our lymph has A) Plasma without proteins. B) More WBCs and no RBCs. C) More RBCs and less WBCs. D) No plasma. Show Answer Correct Answer: B) More WBCs and no RBCs. 20. The normal platelet count in human blood is: A) 100, 000 to 300, 000 platelets per microliter. B) 50, 000 to 150, 000 platelets per microliter. C) 150, 000 to 450, 000 platelets per microliter. D) 450, 000 to 600, 000 platelets per microliter. Show Answer Correct Answer: C) 150, 000 to 450, 000 platelets per microliter. 21. Pulmonary circulation involves blood flow from the heart to the lungs and back. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Right atrium receives blood from A) Pulmonary aorta. B) Pulmonary veins. C) Superior and inferior vena cava. D) Inferior vena cava only. Show Answer Correct Answer: C) Superior and inferior vena cava. 23. Most of our cells are surrounded by A) Blood. B) Fluid equivalent to seawater in salt composition. C) Interstitial fluid. D) Pure water. Show Answer Correct Answer: C) Interstitial fluid. 24. A person with blood group B receives a transfusion. Which donor groups are compatible to avoid agglutination? A) Group A and group O donors. B) Group B and group O donors. C) Group AB and group B donors. D) Group O and group AB donors. Show Answer Correct Answer: B) Group B and group O donors. 25. Agranulocytes responsible for immune response of the body are A) Basophils. B) Neutrophils. C) Eosinophils. D) Lymphocytes. Show Answer Correct Answer: D) Lymphocytes. ← 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