CBSE Class 11 Biology Body Fluids and Circulation MCQs Set B

Question: Which of the following is agranulocyte?
a) Basophil
b) Neutrophil
c) Lymphocyte
d) Eosinophil
Answer: c

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

Question: 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
Answer: a

Question: 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
Answer: c

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

Question: 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.
Answer: a

Question: 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
Answer: a

Question: 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.
Answer: b

Question: 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.
Answer: c

Question: 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
Answer: d

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

Question: 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
Answer: c

Question: 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.
Answer: d

Question: 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.
Answer: d

Question: 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.
Answer: c

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

Question: 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
Answer: a

Question: 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.
Answer: a

Question: 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
Answer: d

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

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

Question: 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 during pregnancy and through transfusion.
Answer: d

Question: 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.
Answer: b

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

Question: 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.
Answer: b

Question: 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
Answer: b

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

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

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

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

Question: 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.
Answer: c

Question: Which one engulfs pathogens rapidly?
a) Acidophils
b) Monocytes
c) Basophils
d) Neutrophils
Answer: d

Question: 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.
Answer: a

Question: 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.
Answer: d

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

Question: 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.
Answer: c

Question: 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.
Answer: a

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

Question: There is no DNA in
a) mature RBCs
b) a mature spermatozoan
c) hair root
d) an enucleated ovum
Answer: a

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

Question: 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
Answer: b

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

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

Question: 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
Answer: b

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

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

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

Question: 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).
Answer: a

Question: Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
a) They do not need to reproduce.
b) They are somatic cells.
c) They do not metabolise.
All their internal space is available for oxygen transport.
a) Only (1)
b) (1), (3) and (4)
c) (2) and (3)
d) Only (4)
Answer: d