This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Biology Chapter 18 Body Fluids And Circulation – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ''when the heart muscle is suddenly damaged by an inadequate blood supply" Describe Disorder is- A) CARDIAC ARREST. B) HEART FAILURE. C) ANGINA PECTORIS. D) HEART ATTACK. Show Answer Correct Answer: D) HEART ATTACK. 2. Which blood vessels have the thinnest walls, allowing for the exchange of nutrients and gases with tissues? A) Arteries. B) Veins. C) Capillaries. D) Venules. Show Answer Correct Answer: C) Capillaries. 3. If liver is removed, the component that increases in blood A) Protein. B) Urea. C) Uric acid. D) Ammonia. Show Answer Correct Answer: D) Ammonia. 4. What is the role of fibrinogen in blood? A) Defense mechanism. B) Regulation of blood pressure. C) Clotting of blood. D) Transport of oxygen. Show Answer Correct Answer: C) Clotting of blood. 5. ASSERTION (A):Leucocytes are also called white blood cellsREASON (R):Leucocytes lack haemoglobin 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: A) Both A and R are true and R is correct explanation of A. 6. Which protein in plasma is essential for blood clotting? A) Fibrinogen. B) Albumin. C) Hemoglobin. D) Globulin. Show Answer Correct Answer: A) Fibrinogen. 7. How Erythroblastosis foetalis (Haemolytic diseases of the new born) can be avoided? A) By administering anti-rh-antigen to mother after first delivery. B) By administering anti-rh-antibodies to mother after first delivery. C) By administering rh-antigen to mother after first delivery. D) By administering rh-antibodies to mother after first delivery. Show Answer Correct Answer: B) By administering anti-rh-antibodies to mother after first delivery. 8. S 1-The formation of Thrombokinase is a cascade process.S 2-Thrombin converts fibrin into Fibrinogen. 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: C) S 1 is true but S 2 is false. 9. The valve present between Left Ventricle and Aorta is- A) Bicuspid valve. B) Mitral valve. C) Tricuspid valve. D) Semilunar valve. Show Answer Correct Answer: D) Semilunar valve. 10. Which term do not apply to human heart: A) Pacemaker. B) Mitral valve. C) Neurogenic. D) Four chambered. Show Answer Correct Answer: C) Neurogenic. 11. What is the primary component of blood plasma? A) Proteins. B) Water. C) Electrolytes. D) Hormones. Show Answer Correct Answer: B) Water. 12. Clumping of RBC may occur when blood of one person is mixed with serum or blood of another person. This is due to A) Antigen-antibody reaction. B) Antitoxin-antibody reaction. C) Antigen-antigen reaction. D) Antibody-antibody reaction. Show Answer Correct Answer: A) Antigen-antibody reaction. 13. What is the role of valves in the circulatory system? A) To control the flow of blood. B) To pump blood to the body. C) To regulate blood pressure. D) To produce blood cells. Show Answer Correct Answer: A) To control the flow of blood. 14. Blood platelets are involved in A) Inflammatory reactions. B) Allergic reactions. C) Clotting of blood. D) Transport of the gases. Show Answer Correct Answer: C) Clotting of blood. 15. The most abundant WBC is ..... A) Neutrophil. B) Basophil. C) Eosinophil. D) Lymphocytes. Show Answer Correct Answer: A) Neutrophil. 16. Rh factor is concerned with blood grouping. It derives its name from- A) Man. B) Chimpanzee. C) Rhesus Monkey. D) Monkey. Show Answer Correct Answer: C) Rhesus Monkey. 17. Maximum lobed nucleus is found in A) Neutrophil. B) Basophil. C) Monocyte. D) Eosinophil. Show Answer Correct Answer: A) Neutrophil. 18. Which blood vessel has thinnest wall & is responsible for the exchange of nutrients and gases between blood and tissues? A) Artery. B) Venules. C) Capillaries. D) Aorta. Show Answer Correct Answer: C) Capillaries. 19. If you suspect major deficiency of antibodies in a person to which of the following would you look for confirmatory evidences: A) Serum albumins. B) Haemocytes. C) Serum globulins. D) Fibrinogen in plasma. Show Answer Correct Answer: C) Serum globulins. 20. The longer heart sound is A) Lub. B) Dub. C) Both lub and dub are equal. D) Sometimes (a) and sometimes(b). Show Answer Correct Answer: A) Lub. 21. During each cardiac cycle two prominent sounds are produced which can be easily heard through a stethoscope. If during check up the heart sounds are not clear it indicates A) Cardiac arrest. B) Heart failure. C) Leaky valves. D) Atherosclerosis. Show Answer Correct Answer: C) Leaky valves. 22. When the heart muscle is sudden;y damaged due to inadequate blood supply it is called: A) Heart failure. B) Heart attack. C) CAD. D) Cardiac arrest. Show Answer Correct Answer: B) Heart attack. 23. Platelets are derived from & also called as A) Megakaryocytes & Thrombocytes. B) Monocytes &Leucocytes. C) Lymphocytes &thrombocytes. D) All of the above. Show Answer Correct Answer: A) Megakaryocytes & Thrombocytes. 24. What is the primary function of blood? A) Produce hormones. B) Regulate temperature. C) Store energy. D) Transport nutrients and oxygen. Show Answer Correct Answer: D) Transport nutrients and oxygen. 25. Which of the following is a formed element in the blood responsible for blood clotting? A) Red blood cells. B) White blood cells. C) Platelets. D) Plasma. Show Answer Correct Answer: C) Platelets. ← 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 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 10Class 11 Biology Chapter 18 Body Fluids And Circulation Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books