CBSE Questions for Class 11 Medical Biology Body Fluids And Circulation Quiz 5 - MCQExams.com

Which of the following has least consistency in shape?
  • RBCs
  • WBCs
  • Mast cells
  • Bone cells
Which of following act as middleman?
  • WBC
  • Lymph
  • Plasma
  • Blood
Lymph differ from blood in possessing:
  • Only WBC
  • More RBC and WBC
  • More RBC and few WBC
  • More WBC and few RBC
During blood clotting, fibrin is produced from:
  • Thrombokinase
  • Prothrombin
  • Liver
  • Proteolysis
Prothrombin, albumin and fibrinogen are synthesised by
  • Pancreas
  • Bone marrow
  • Spleen
  • Liver
In a rabbit, the RBCs are formed from
  • Myeloblast
  • Agranulocyte
  • Thymocyte
  • Lymphoblast
Mature RBCs of mammals have
  • No nucleus
  • Single beaded nucleus
  • Many nulcei
  • Single nucleus
Platelets are a source of
  • Fibrinogen
  • Calcium
  • Thromoboplastin
  • Heamoglobin
Which clotting factor has been rejected now?
  • VIII
  • VII
  • VI
  • V
Which is unrelated to blood coagulation?
  • Fibrinogen
  • Fibrin
  • Bilirubin
  • Calcium
Number of WBCs per mm$$^3$$ of human blood is _______.
  • 8000
  • 7000
  • 6500
  • 6000
The term haematocrit means
  • The volume percentage of red blood cells in blood.
  • The ratio of blood volume to extracellular space.
  • The percentage of new blood cells formed every 120 days.
  • The percentage of blood that is white blood cells.
Prothrombin is found in
  • Intestine and helps in cellulose digestion
  • Liver and helps in production of bile
  • Blood and gives red colour to blood
  • Blood and helps in blood clotting
Blood platelets are found only in the blood of
  • Birds
  • Reptiles
  • Mammals
  • Amphibians
An anticoagulant is
  • Heparin
  • Hirudin
  • EDTA
  • All of the above
Structure absent from fresh frozen blood plasma is
  • Immunoglobulin
  • Plasma
  • Albumin
  • Platelets
Abnormal increase in number of RBC in blood is
  • Anaemia
  • Polycythemia
  • Leukemia
  • Sarcoma
What is the main difference in human and frog RBCs?
  • Human RBCs are non-nucleated
  • Hemoglobin is found only in human RBCs
  • Human RBCs have nucleus
  • Human RBCs are muti-nucleated
RBCs are nucleated in
  • Man
  • Rabbit
  • Rat
  • Frog
Peyer's patches produce:
  • Enterokinase
  • Lymphocyte
  • Mucus
  • Trypsin
Identify the correct pathway of blood circulating in the body.
  • Right atrium$$\rightarrow$$ Right ventricle $$\rightarrow$$ Lungs $$\rightarrow$$ Left atrium $$\rightarrow$$ Left ventricle $$\rightarrow$$ Body
  • Right atrium $$\rightarrow$$ Left ventricle $$\rightarrow$$ Body $$\rightarrow$$ Right atrium $$\rightarrow$$ Lungs $$\rightarrow$$ Right ventricle
  • Left atrium $$\rightarrow$$ Left ventricle $$\rightarrow$$ Lungs $$\rightarrow$$ Right atrium $$\rightarrow$$ Right ventricle $$\rightarrow$$ Body
  • Right atrium $$\rightarrow$$ Left ventricle $$\rightarrow$$ Lungs $$\rightarrow$$ Left atrium $$\rightarrow$$ Right ventricle $$\rightarrow$$ Body
The blood during diastole
  • Leaves the heart
  • Enters into the heart
  • Enters into lungs
  • Leaves the ventricles
Which of the following is an anticoagulant and checks blood coagulation in blood vessels?
  • Prothrombin
  • Globulin
  • Thromoboplastin
  • Heparin
During blood clotting, which of the following is used?
  • Co
  • $$Ca^{++}$$
  • $$Na^+$$
  • $$Cl^-$$
To reach the left side of heart the blood must pass through
  • Sinus venosus
  • Kidneys
  • Liver
  • Lungs
Oval, biconvex and nucleated RBC's are found in
  • Camel
  • Rabbit
  • Man
  • Rat
Lymph can be defined as:
  • Blood minus corpuscles.
  • Blood minus plasma.
  • Blood minus WBC.
  • Blood minus RBC and platelets.
Hb count is done by
  • Widal method
  • Sahli method
  • Haemoglobinometer
  • Both B and C
Which among the following is not found in the red blood corpuscles of human being?
  • Haemoglobin
  • Plasmalemma
  • Nucleus
  • Cytoplasm
Which of the following counts is incorrect?
  • RBC- 3.5 millions/cubic mm
  • WBC- 5 thousand/cubic mm
  • ESR- 10 mm/hour
  • Platelet- 400,000/cubic mm
Fully digested food reaches to liver by
  • Hepatic portal vein
  • Hepatic artery
  • Hepatic vein
  • All of the above
When the right ventricle contracts the blood is pumped into
  • Superior vena cava
  • Dorsal aorta
  • Pulmonary artery
  • Pulmonary veins
In children, heart rate is
  • More than adult
  • Less than adult
  • Equal to adult
  • None of the above
Blood circulation in human is
  • Single and open
  • Double and open
  • Double and close
  • Single and close
Closed circulatory system occurs in
  • Cockroach
  • Tadpole and fish
  • Mosquito
  • Housefly
A portal system is that in which:
  • A vein begins from an organ and ends in heart.
  • An artery breaks up in an organ & restarts by the union of its capillaries.
  • The blood from gut is brought in to kidneys before it is poured in to heart.
  • A vein breaks up in an organ into capillaries and restarts by their union as a new vein in the same organ.
Which organ is bypassed in foetal circulation?
  • Heart
  • Brain
  • Lung
  • Liver
In a portal system (man)
  • A vein starts from an organ and ends in heart
  • A vein enters into organ other than heart and breaks in capillaries
  • An artery breaks in an organ and restarts by union of its capillaries
  • Blood from intestine is brought in kidneys then in inferior vena cava
Which of the following vessel in rabbit starts with capillaries and ends in capillaries?
  • Pulmonary artery
  • Renal vein
  • Hepatic portal vein
  • Renal artery
Blood circulation was highlighted first by
  • Karl Land Steiner
  • William Harvey
  • De Castello and Sturli
  • Dr. Christian Bernard
Which of the following is the right match with the components of transport system of human beings with their functions?
ComponentsFunctions
1Heart$$O_2$$ transport
2FibrinogenBlood clotting
3RBCForms fibrin
4PlateletsPumps blood
  • 1
  • 2
  • 3
  • 4
The open circulatory system is present in-

(a) Arthropoda, (b) Annelida, (c) Chordates, (d) Mollusca
  • c only
  • c and b
  • a and b
  • a and d
The blood circulation which starts and ends into capillaries is
  • Renal circulation
  • Portal circulation
  • Hepatic circulation
  • Lymphatic circulation
Open type of vascular system is predominant in:
  • Fishes
  • Arthropods
  • Amphibians
  • Mammals
Blood enters into the heart because muscles of
  • Atria relax
  • Ventricle contract
  • Ventricle relax
  • Atria contract
Echocardiogram (ECG) is a measure of
  • Rate of heart beat
  • Difference in electric potential
  • Volume of blood pumped
  • Ventricular contraction
Blood goes through the heart twice during each cycle is called as
  • Double circulation
  • Single circulation
  • Triple circulation
  • Quadruple circulation
Which side of the heart pumps only deoxygenated blood?
  • Right
  • Left
  • Both right and left
  • None of the above
Which one of the following indicates the hypertension?
  • 90/60
  • 120/85
  • 110/70
  • 140/100
William Harvey is known for discovery of
  • Blood circulation
  • Blood clotting
  • Respiration
  • Digestion
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