Class 11 Biology Chapter 18 Body Fluids and Circulation MCQ Questions with Answer

Body Fluids and Circulation Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on Plant Kingdom Class 11, which will help them all through their board test.

Body Fluids and Circulation Class 11 MCQ Questions with Answer

Class 11 Biology MCQ with answers are given here to Chapter 18 Body Fluids and Circulation. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.

Learn Class 11 Body Fluids and Circulation MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology Body Fluids and Circulation MCQ with answers given below

Question 1. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?   
(a) Eosinophils
(b) Monocytes
(c) Neutrophils
(d) Basophils

Question 2. Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?  
(1) They do not need to reproduce.
(2) They are somatic cells.
(3) They do not metabolise.

Question 3. All their internal space is available for oxygen transport.   
(a) Only (1)
(b) (1), (3) and (4)
(c) (2) and (3)
(d) Only (4)

Question 4. Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
(a) Erythrocytes
(b) Leucocytes
(c) Neutrophils
(d) Thrombocytes

Question 5. A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?   
(a) Blood serum
(b) Sample from the thoracic duct of lymphatic system
(c) Whole blood from pulmonary vein
(d) Blood plasma

Question 6. You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these you will not use for the purpose? 
(a) Test tube containing calcium bicarbonate
(b) Chilled test tube
(c) Test tube containing heparin
(d) Test tube containing sodium oxalate

Question 7. Person with blood group AB is considered as universal recipient because he has   
(a) both A and B antigens on RBC but no antibodies in the plasma
(b) both A and B antibodies in the plasma
(c) no antigen on RBC and no antibody in the plasma
(d) both A and B antigens in the plasma but no antibodies.

Question 8. Serum differs from blood in   
(a) lacking globulins
(b) lacking albumins
(c) lacking clotting factors
(d) lacking antibodies.

Question 9.Erythropoiesis starts in   
(a) spleen
(b) red bone marrow
(c) kidney
(d) liver. 

Question 10. Which one of the following plasma proteins is involved in the coagulation of blood?   
(a) Albumin
(b) Serum amylase
(c) Globulin
(d) Fibrinogen

Question 11. A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
(a) Blood group B
(b) Blood group AB
(c) Blood group O
(d) Blood group A

Question 12. Which one of the following human organs is often called the “graveyard” of RBCs? 
(a) Gall bladder
(b) Kidney
(c) Spleen
(d) Liver 

Question 13. The haemoglobin content per 100 mL of blood of a normal healthy human adult is   
(a) 5 – 11 gm
(b) 25 – 30 gm
(c) 17 – 20 gm
(d) 12 – 16 gm.

Question 14. A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His friend who has valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? 
(a) Type B
(b) Type AB
(c) Type O
(d) Type A

Question 15. Which two of the following changes (i –iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)?  
(i) Increase in red blood cell size
(ii) Increase in red blood cell production
(iii) Increased breathing rate
(iv) Increase in thrombocyte count Changes occurring are
(a) (ii) and (iii)
(b) (iii) and (iv)
(c) (i) and (iv)
(d) (i) and (ii).

Question 16. There is no DNA in 
(a) mature RBCs
(b) a mature spermatozoan
(c) hair root
(d) an enucleated ovum

Question 17. Globulins contained in human blood plasma are primarily involved in   
(a) osmotic balance of body fluids
(b) oxygen transport in the blood
(c) clotting of blood
(d) defence mechanisms of body.

Question 18. In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be   
(a) B
(b) O
(c) AB
(d) A.

Question 19. What is correct for blood group O?   
(a) No antigens but both a and b antibodies are present.
(b) A antigen and b antibody present.
(c) Antigen and antibody both absent.
(d) A and B antigens and a, b antibodies present.

Question 20. The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because “O” in it refers to having   
(a) overdominance of this type on the genes for A and B types
(b) one antibody only – either anti – A or anti – B on the RBCs
(c) no antigens A and B on RBCs
(d) other antigens besides A and B on RBCs.

Question 21. The most active phagocytic white blood cells are 
(a) eosinophils and lymphocytes
(b) neutrophils and monocytes
(c) neutrophils and eosinophils
(d) lymphocytes and macrophages.

Question 22. Which is the principal cation in the plasma of the blood?   
(a) Potassium
(b) Magnesium
(c) Calcium
(d) Sodium

Question 23. Erythroblastosis fetalis is caused when fertilisation takes place between gametes of 
(a) Rh– female and Rh+ male
(b) Rh+ female and Rh– male
(c) Rh+ female and Rh+ male
(d) Rh– female and Rh– male.

Question 24. Which statement is true for WBC?   
(a) Non-nucleated
(b) In deficiency, cancer is caused
(c) Manufactured in thymus
(d) Can squeeze through blood capillaries

Question 25. Which of the following is agranulocyte?   
(a) Basophil
(b) Neutrophil
(c) Lymphocyte
(d) Eosinophil

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Question 26. The blood group, with antibody-A and antibody-B is   
(a) O
(b) B
(c) A
(d) AB.

Question 27. The problem, due to Rh– factor arises when the blood of two (Rh+ and Rh–) mix up   
(a) during pregnancy
(b) in a test tube
(c) through transfusion
(d) both (a) and (c).

Question 28. Cells formed in bone marrow include   
(a) RBCs
(b) RBCs and leucocytes
(c) leucocytes
(d) lymphocytes.

Question 29. The life span of human 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.

Question 30. Vitamin K is required for 
(a) change of prothrombin into thrombin
(b) synthesis of prothrombin
(c) change of fibrinogen to fibrin
(d) formation of thromboplastin.

Question 31. Carbonic anhydrase occurs in   
(a) lymphocytes
(b) blood plasma
(c) RBCs
(d) leucocytes.

Question 32. Component of blood responsible for producing antibodies is 
(a) thrombocytes
(b) monocytes
(c) erythrocytes
(d) lymphocytes.

Question 33. Blood group AB has   
(a) no antigen
(b) no antibody
(c) neither antigen nor antibody
(d) both antigen and antibody.

Question 34. Which one engulfs pathogens rapidly?   
(a) Acidophils
(b) Monocytes
(c) Basophils
(d) Neutrophils

Question 35. Rate of heart beat is determined by   
(a) Purkinje fibres
(b) papillary muscles
(c) AV node
(d) SA node.

Question 36. Removal of calcium from freshly collected blood would   
(a) cause delayed clotting
(b) prevent clotting
(c) cause immediate clotting
(d) prevent destruction of haemoglobin

Question 37. A person with blood group A requires blood. The blood group which can be given is   
(a) A and B
(b) A and AB
(c) A and O
(d) A, B, AB and O.

Question 38. Child death may occur in the marriage of 
(a) Rh+ man and Rh+ woman
(b) Rh+ man and Rh– woman
(c) Rh– man and Rh– woman
(d) Rh– man and Rh+ woman

Question 39. The correct route through which pulse-making impulse travels in the heart is   
(a) SA node → Purkinje fibres → bundle of His →AV node → heart muscles
(b) SA node → AV node → bundle of His →Purkinje fibres → heart muscles
(c) AV node → bundle of His → SA node →Purkinje fibres → heart muscles
(d) AV node → SA node → Purkinje fibres →bundle of His → heart muscles.

Question 40. The neurogenic heart is the characteristic feature of   
(a) humans
(b) arthropods
(c) rabbits
(d) rats.

Question 41. Which one of the following is correct? 
(a) Lymph = Plasma + RBC + WBC
(b) Blood = Plasma + RBC + WBC + Platelets
(c) Plasma = Blood – Lymphocytes
(d) Serum = Blood + Fibrinogen 

Question 42. 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.

.Question 43. Breakdown product of haemoglobin is 
(a) bilirubin
(b) iron
(c) biliverdin
(d) calcium.

Question 44. RBCs do not occur in   
(a) frog
(b) cow
(c) camel
(d) cockroach. 

Question 45. Which of the following is not the main function of   
lymph glands?
(a) Forming RBCs
(b) Destroying bacteria
(c) Forming WBCs
(d) Forming antibodies

Question 46. The lymph serves to   
(a) return the interstitial fluid to the blood
(b) return the WBCs and RBCs to the lymph nodes
(c) transport CO2 to the lungs
(d) transport O2 to the brain.

Question 47. Blood capillaries are made of       
(a) endothelium, connective tissue and muscle fibres
(b) endothelium and muscle fibres
(c) endothelium and connective tissue
(d) endothelium only.

Question 48. Wall of blood capillary is formed of     
(a) haemocytes
(b) parietal cells
(c) endothelial cells
(d) oxyntic cells.

Question 49. Splenic artery arises from   
(a) anterior mesenteric artery
(b) coeliac artery
(c) posterior mesenteric artery
(d) intestinal artery.

Question 50. Which of the following statements is true for lymph? 
(a) WBC + serum
(b) Blood – RBCs and some proteins
(c) RBCs + WBCs + plasma
(d) RBCs + proteins + platelets

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