CBSE Questions for Class 11 Medical Biology Body Fluids And Circulation Quiz 4 - MCQExams.com

The major site of biological action of the human circulatory system occurs in-
  • The arteries
  • The veins
  • The capillary bed
  • The heart
What is diapedesis?
  • Immune response of T- cells
  • Synthesis of WBC
  • Squeezing out of WBC from the capillaries at the site of infection
  • Synthesis of RBC
Match the names with the tissues shown. Choose the answer, which gives the correct combination of the alphabets.
Cells
Tissues
A. Erythocytes
p. Bone
B. Chondrocytes
q. Neuron
C. Osteocytes
r. Cartilage
D. Schwann cells
s. Blood

t. Adipose tissue
  • A- s, B- r, C- t, D- p
  • A- s, B- r, C- p, D- q
  • A- s, B- q, C- p, D- t
  • A- s, B- p, C- r, D- q
Which of the following cells are associated with immune system of body?
  • Platelets
  • WBC
  • Macrophages
  • RBC
Heart rate is accelerated by
  • Cranial nerves and acetylcholine
  • Sympathetic nerves and acetycholine
  • Cranial nerves and adrenalin
  • Sympathetic nerves and epinephrine
Human blood maintains homeostasis in the internal environment of the body by
  • Replenishment of oxygen and elimination of $${CO_2}$$.
  • Replenishment of nutrients and oxygen and elimination of metabolic wastes from the extra cellular fluid.
  • Maintenance of ion concentration in the blood and body fluids by eliminating nitrogenous wastes.
  • Maintenance of blood sugar level and conversion of amino acids into urea and destruction of worn out RBCs.
Polycythaemia is 
  • WBC increase
  • RBC increase
  • Platelet increase
  • All of the above
Which of the following has a closed type of circulatory system?
  • Cockroach
  • Fish
  • Scorpion
  • Limulus
Blood platelet formation occurs in 
  • Yellow bone marrow
  • Red bone marrow
  • Spleen
  • Liver
The circulatory system of a cockroach is 
  • Closed
  • Lacunar
  • Simple
  • Complex
Choose the schematic diagram, which properly represents pulmonary circulation in humans.
  • Right ventricle $${\xrightarrow[blood]{Deoxygenated}Lungs\xrightarrow[blood]{Oxygenated}}$$ Left auricle
  • Right ventricle$${\xrightarrow [blood] {oxygenated}Lungs\xrightarrow [blood] {deoxygenated}}$$ Left auricle
  • Left auricle $${\xrightarrow[blood ] {Oxygenated} Lungs\xrightarrow[blood] {Deoxygenated}}$$  Right ventricle
  • Left auricle $${\xrightarrow[blood ] {deoxygenated} Lungs\xrightarrow[blood] {oxygenated}}$$  Right ventricle
The amount of pericardial fluid in human beings is 
  • 10 ml
  • 15 ml
  • 20 ml
  • 125 ml
ECG method is the way to detect
  • Heart attack
  • Heart block
  • Coronary thrombosis
  • All of the above
During fibrinolysis, enzyme used is 
  • Heparin
  • Prothrombinase
  • Thrombin
  • Plasmin
Systemic heart refers to 
  • The heart that contracts under stimulation from nervous system
  • Left auricle and left ventricle in higher vertebrates
  • Entire heart in lower vertebrates
  • The two ventricles together in humans
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 produced with the following four types of test tubes. Which of them will you not use for the purpose?
  • Test tube containing calcium bicarbonate
  • Chilled test tube
  • Test tube containing heparin
  • Test tube containing sodium oxalate
Blood flow ensures the transportation of
  • Nutrients
  • Hormones
  • O$$_{2}$$ and CO$$_{2}$$
  • All of the above
The heart rate is increased by
  • An increase in the activity of the sympathetic nerves that supply the heart
  • A decrease in the activity of the parasympathetic (vagus) system
  • An increase in the level of adrenalin in the circulation
  • All of the above
To go to the left side of the heart from the right side the blood will have to cross
  • Liver
  • Lungs
  • Kidney
  • Brain
The following questions refer to the diagram of adult human heart. chambers or vessels that carry oxygenated blood include which of the following?
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  • 3 only
  • 1 and 2 only
  • 5 and 6 only
  • 1, 2 and 3
  • 3, 5 and 6
Which of the following statements are wrong?
(a) Leucocytes disintegrate in the spleen and liver.
(b) RBC, WBC and blood platelets are produced by bone marrow.
(c) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(d) The important function of lymphocytes is to produce antibodies.
  • a and b only
  • a and d only
  • a and c only
  • b and c only
  • b and d only
Which pair will be most important in initiating blood clotting?
  • $$Ca^{++}$$ and prothrombin
  • Prothrombin and thromboplastin
  • Thrombin and fibrinogen
  • Prothrombin and fibrinogen
If a person is suffering from Christmas disease then he is deficient of 
  • Factor IX
  • Homogentisic acid
  • Thrombin
  • Vitamin C
The condition which cannot be detected by ECG is: 
  • Blockage of coronary artery
  • Gastric ulcer
  • Defect of heart valve
  • Angina
The volume of blood each ventricle pumps out during a cardiac cycle is about
  • 70 ml
  • 5000 ml
  • 7 L
  • 1200 ml
  • 40 ml
Select the correct schematic representation of blood circulation in human from the followings
Megakaryocyte forms
  • Leucocytes
  • Erythrocytes
  • Monocytes
  • Thrombocytes
In human beings the blood goes to the heart in one cycle once.
  • True
  • False
What is the life span of thrombocytes?
  • 7 - 10 days
  • 3 - 4 weeks
  • 2 - 5 weeks
  • None of the above
Labile factor is associated with
  • Blood coagulation
  • Blood group
  • Blood immunity
  • Blood circulation
The blood does not clot inside the body because of 
  • Oxygenation of blood
  • Movement of blood
  • Absence of active clotting factors in normal condition
  • None of the above
A drop of each of the following, is placed separately on four slides. Which one of them will not coagulate?
  • Blood serum
  • Sample from thoracic duct of lymphatic system
  • Whole blood from pulmonary vein
  • Blood plasma
Blood of cockroach does not contain haemoglobin because
  • It respires through atmosphere
  • It respires through book lungs
  • It does not respire
  • It has some other means to carry oxygen directly into the tissues
Mature RBC contains
  • Enzymes of TCA cycle
  • Glycolytic enzymes
  • Enzymes of Krebs cycle
  • All of the above
Life span of platelet is
  • 8 - 9 days
  • 9 - 12 days
  • 20 - 30 days
  • 90 days
RBC of Amphiuma are
  • Non nucleated and bioconcave
  • Non nucleated and bioconvex
  • Nucleated and oval
  • None of the above
Which of the following is correctly matched for diseases in humans?
  • Hypertension - increase in blood pressure, about 130-140 mm Hg systolic and 90-100 mm Hg diastolic
  • Arteriosclerosis - hardening of arteries due to deposition of calcium salts resulting in plaque formation
  • Atherosclerosis - inelastic arteries
  • All of the above
Mature mammalian RBC does not contain
  • Membrane bounded cell organnelles
  • Carbonic anhydrase
  • Haemoglobin
  • Enzymes of glycolytic pathway
Megakaryocyte cell is
  • RBC producer
  • Thrombocyte producer
  • WBC producer
  • Protein producer
Smallest RBC can be observed in
  • Mammals
  • Amphibians
  • Musk deer
  • Elephants
Largest RBC is found in
  • Frog
  • Elephants
  • Muskdeer
  • Amphiuma (salamender)
Mammalian RBC are
  • Biconcave, circular, non nucleated
  • Biconcave, nucleated
  • Oval, nucleated
  • None of the above
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having
  • No antigens A and B on RBCs
  • Other antigens besides A and B on RBCs
  • Over dominance of this type on the genes for A and B types
  • One antibody only (either anti- A or anti- B) on the RBCs
Blood clotting requires
  • Na$$^+$$ and K$$^+$$
  • Na$$^+$$ and prothrombin
  • Na$$^+$$ and thromboplastin
  • Ca$$^{++}$$ and thromboplastin
Blood platelets are found in
  • Pisces
  • Reptiles
  • Birds
  • Mammals
Which statement is true about WBC?
  • Non-nucleated
  • Deficiency causes leukaemia
  • Can squeeze through blood capillaries
  • None of the above
The process by which blood cells are formed in the bone marrow is
  • Haemopoiesis.
  • Haemolysis.
  • Thrombopoiesis.
  • Erthroblastosis.
Which of the following is found more in lymph than in blood?
  • RBC
  • Haemoglobin
  • Fats
  • All of the above
Spleen and thymus are hematopoietic for:
  • RBC
  • WBC
  • Platelets
  • All of the above
Blood clot takes place mainly due to
  • Fibrin and corpuscles
  • Heparin and corpuscles
  • Plasma and corpuscles
  • Plasma and RBC
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