CBSE Questions for Class 11 Medical Biology Body Fluids And Circulation Quiz 3 - MCQExams.com

Blood does not clot inside the blood vessels due to the presence of
  • Heparin
  • Fibrinogen
  • Vitamin K
  • Thrombin
If red blood cells are placed in distilled water, they will
  • Shrink and collapse
  • First increase in volume and then burst
  • Stick together
  • None of the above
The average diameter of red blood corpuscles of man is
  • 7.2$$\mu $$m
  • 8.1 $$\mu $$m
  • 9.2$$\mu $$m
  • 10.3$$\mu $$m
Highest content of iron is found in
  • WBC
  • Bone cells
  • RBC
  • Protein
Reticulocytes may also be called
  • Blood platelets
  • Immature erythrocytes
  • Lymphocytes
  • WBCs
The chief difference between RBC's of human and frog is
  • Only human RBC's have haemoglobin
  • Human RBC's have more nuclei
  • Human RBC's are without nucleus
  • Frog RBC's are without nucleus
Which of the following is correct?
  • Blood has WBC and lymph has RBC.
  • Blood has WBC, RBC and lymph have nothing.
  • Blood has RBC, WBC and lymph have WBC.
  • Lymph has WBC, RBC and blood have RBC.
Mark the odd one from the following.
  • Monocytes
  • Lymphocytes
  • Neutrophils
  • Erythrocytes
Concave surface of mammalian R B.Cs is helpful in
  • Formation of more haemoglobin
  • Increasing surface area of RB.Cs
  • Reducing surface tension of plasma membrane
  • Providing more space for haemoglobin
Which one of the following cells is not capable of metabolizing glucose to carbon dioxide aerobically?
  • White blood cells
  • Unstriated muscle cells
  • Liver cells
  • Red blood cells
Which of the following animals have nuclei in their mature red blood corpuscles?
  • Cow
  • Horse
  • Elephant
  • None of the above
Squeezing of leucocytes out from the endothelium of capillaries to fight foreign agents is known as
  • Haemolysis
  • Diapedesis
  • Phagocytosis
  • Rouleaux
The main function of the white blood cells in the human intestine system is to :
  • Combat and destroy antigenic particles.
  • Produce antigens to combat antibodies.
  • Carry oxygen around the body.
  • Transport antigens to B memory cells in the lymph nodes.
Identify the correct sequence, that leads to the formation of a blood clot:
(A) Blood clot                     (B) Injury
(C) Factor II                       (D) Factor III
(E) Factor IV                     (F) Fibrinogen
(G) Thrombin
  • $$B\rightarrow C\rightarrow D\rightarrow F\rightarrow G\rightarrow A$$
  • $$B\rightarrow C\rightarrow G\rightarrow F\rightarrow A\rightarrow D$$
  • $$D\rightarrow B\rightarrow C\rightarrow G\rightarrow F\rightarrow A$$
  • $$B\rightarrow D\rightarrow C\rightarrow F\rightarrow G\rightarrow A$$
Which animal has an oval shaped RBCs?
  • Humans
  • Camel
  • Dog
  • Fish
Replacement of dead RBCs by new RBCs formed from the erythroblasts of the bone marrow by the process of erythropoiesis is an example of 
  • Growth
  • Degrowth
  • Repirative regeneration
  • Restorative regeneration
The first open heart surgery was performed in
  • 1945
  • 1953
  • 1967
  • 1893
One of the following is not the types of blood groups or blood factors. Which is that?
  • Lewis and Duffy
  • Buffs and Kips
  • ABO and Rh
  • Rh and MN
Blood groups are named on the basis of the agglutinogens A and B present on/in the:
  • Plasma
  • RBC
  • WBC
  • Platelet

Assertion : Einthoven is called "father of the electrocardiography".

Reason : The instrument records all the information from body surface.
  • If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • If assertion is true but reason is false.
  • If the assertion and reason both are false.
  • If assertion is false but reason is true.
Between persons of which two blood groups is the blood transfusion not possible
  • 0 and AB (AB recipient)
  • 0 and A (0 donor)
  • 0 and B (0 donor)
  • 0 and AB (AB donor)
When whole blood is stored with an anticoagulant at $$4^oC$$, the K+ ions move out from the RBC into the plasma. The most likely reasons for this is that
  • RBC haemolyses and hence leakage of K+ ions
  • K+ ions become more mobile at $$4^oC$$
  • Active transport ceases resulting in ionic equilibrium
  • The anticoagulant attracts the K+ ions into the plasma
Which of the following substances, if introduced into the bloodstream, would cause coagulation of blood at the site of its introduction?
  • Fibrinogen
  • Prothrombin
  • Heparin
  • Thromboplastin
An ECG gives information of:
  • Brain
  • Ventricles
  • Atria
  • Both (B) and (C)
Which of the following are found in the blood but not in the lymph?
P - Lymphocytes
Q - Erythrocytes
R - Platelets
S - Plasma proteins
  • P, Q, and R only
  • P, Q, and S only
  • P, R, and S only
  • Q, R, and S only
Which chamber is the first to receive oxygenated blood from the lungs in the figure given below?

87557_f10dc0f688c3496182a479acf0cedb61.png
  • W
  • X
  • Y
  • Z
The diagram shows a section through the human heart. Which blood vessels carry blood to and from the lungs?

84575_2b3cfa13bf394b139e26edfe21a4054b.png
  • Blood to lungs - 1, Blood from lungs - 3
  • Blood to lungs - 1, Blood from lungs - 4
  • Blood to lungs - 2, Blood from lungs - 3
  • Blood to lungs - 2, Blood from lungs - 4
Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.
  • (i)
  • (ii)
  • (ii) and (iv)
  • (i) and (iii)
There is no DNA in :
  • Hair root
  • An enucleated ovum
  • Mature RBCs
  • A mature spermatozoan
Compared to blood the lymph has 
  • More RBCs and less WBCs
  • No plasma
  • Plasma without proteins
  • More WBCs and no RBCs
Megakaryocytes
  • Produce leucocytes
  • Forms blood platelets
  • Forms germ cells
  • Are carriers of oxygen
Single circulation blood flows through the heart only once during one cycle of passage through the body. This is exhibited by
  • Labeo, Chameleon, Salamander
  • Hippocampus, Exocoetus, Anabas
  • Hyla, Rana, Draco
  • Whale, Dolphin, Turtle
Lymph can be defined as -
  • Blood devoid of WBCs and serum
  • Blood minus RBCs and some proteins
  • Blood having RBCs, WBCs and plasma
  • Blood having RBCs, proteins and platelets
The blood leaving the tissues becomes richer in :
  • Carbon dioxide
  • Water
  • Hemoglobin
  • Oxygen
In which of the following ways does the circulatory system of animals differ from the vascular system of plants ?
  • The circulatory system of animals forms loops, whereas the sap of plants does not circulate.
  • The sap of plants flows through cells, whereas the blood of animals flows through multicellular organs called blood vessels.
  • The internal transport system of plants can lift fluids to greater heights than the internal transport system of animals.
  • All of the above.
The type of circulatory system in humans is
  • Open
  • Closed
  • Both open and closed
  • Half open and half closed
Blood and lymph are types of
  • Muscular tissue
  • Epithelial tissue
  • Connective tissue
  • Permanent tissue
Blood vessel carrying blood from lung to heart is
  • Pulmonary artery
  • Pulmonary vein
  • Coronory artery
  • None of the above
Erythropoiesis may be stimulated by the deficiency of
  • Iron
  • Oxygen
  • Protein
  • None of the above
Erythropoiesis may be stimulated by the deficiency of
  • Iron
  • Oxygen
  • Protein
  • None of the above
Which blood cells transport oxygen?
  • Red
  • White
  • Both A and B
  • None of the above
Which of the following statement(s) is (are) true about heart?
  • Left atrium receives oxygenated blood from different parts of body while right atrium receives deoxygenated blood from lungs.
  • Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
  • Left atrium transfers oxygenated blood to right ventricle which sends it to different body parts.
  • Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.
  • Both B and D.
The chief function of lymph nodes in mammalian body is to
  • Produce RBCs
  • Collect and destroy pathogens
  • Produce a hormone
  • Destroy the old and worn out red blood cells
Pulmonary veins pour ______ blood into the left atrium.
  • Oxygenated
  • Deoxygenated
  • Both A or B
  • Mixed
Which one of the following has an open circulatory system?
  • Octopus
  • Pheretima
  • Periplaneta
  • Hirudinaria
Which of the following is not an important function of the vertebrate circulatory system?
  • Transport of nutrients and respiratory gases
  • Regulation of body temperature
  • Protection of the body by circulating antibodies
  • Removal of waste products from the body
Human RBC is
  • Oval, biconvex, enucleated
  • Round, biconvex, enucleated
  • Round, biconcave, enucleated
  • Oval, biconcave, nucleated
  • Oval, biconvex, nucleated
Match the items in column A with column B and choose the correct answer.
Column A
Column B
Neuron
a. Ossein
Bone matrix
b. Nissl bodies
RBC of man
c. Antibodies
Lymphocytes
d. Non-nucleated
  • 1- d, 2- b, 3- c and 4- a
  • 1- d, 2- a, 3- c and 4- b
  • 1- d, 2- b, 3- a and 4- c
  • 1- b, 2- a, 3- d and 4- c
  • 1- b, 2- d, 3- a and 4- c
Mammals are said to have double circulation. It means
  • Blood vessels are paired
  • There are two types of blood vessels attached to every organ
  • There are two systems. One from the heart to the lungs and back to the rest of the body
  • The blood circulates twice through the heart
Mast cells of connective tissue release
  • Vasopressin and histamine
  • Heparin and histamine
  • Heparin and calcitonin
  • Serotonin and melanin
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