CBSE Questions for Class 11 Medical Biology Body Fluids And Circulation Quiz 15 - MCQExams.com

An anticoagulant used for preventing clotting in vitro is sodium oxalate. It prevents clot formation by 
  • Combining with cations in the blood
  • Inhibiting clotting factor VIII activity
  • Getting itself deposited over the surface of RBC
  • Blocking the fibrinogen activity
Which chamber of a bird heart does oxygen rich blood first enter? 
  • Right atrium
  • Right ventricle
  • Left ventricle
  • Left atrium
Which of the following is / are wrong about blood clotting?
A. Fibrinogen $$ \xrightarrow{Thromboplastin} Thrombin$$
B. Injured tissue + blood Platelets $$\rightarrow$$ Release thromboplastin
C. Prothrombin $$\xrightarrow{Thrombin}$$ fibrin
D. Fibrin + Red  Blood corpuscles $$\rightarrow$$ Blood clot
  • A and C
  • A only
  • B and C
  • C only
The circulatory system of a rabbit differs from that of a frog in that there 
  • Renal portal system in rabbit
  • Hepatic portal system in rabbit
  • Posterior vena cava in rabbit
  • Dorsal aorta in rabbit
Chemical released by blood platelets is 
  • Heparin
  • Thromboplastin
  • Fibrinogen
  • Prothrombin
The fluid present between the blood capillaries and the cell membrane, through which gasses, nutrients, and metabolic wastes are exchanged between the blood and the cells are called as:
  • Lymph
  • Plasma
  • Serum
  • Normal saline
In a normal person at rest, the cardiac output or amount of blood pumped per minute by the left ventricle is approximately
  • 1-2 L/min
  • 1 L/min
  • 2 L/min
  • 5 L/min
Label the given blood cells.
446078_f83cf12027564f7e96b16019138f3da1.png
  • (A)- WBC (B)- Platelets (C)- RBC
  • (A)- RBC (B)- Platelets (C)- WBC
  • (A)- RBC (B)- WBC (C)- Platelets
  • None of the above
Seema was running. The supply of oxygen to muscles will __________.
  • Remain same
  • Increase
  • Decrease
  • Decrease and then increase
With reference to the blood in a normal person, which one of the following statements is correct?
  • Compared to arteries, veins are less numerous and hold less of the body's blood at any given time.
  • Blood cells constitute about 70 percent of the total volume of the blood.
  • White blood cells (WBC) are made by lymph nodes only.
  • The blood has more platelets than WBC.
Which among the following is an important function of Lymph? 
  • Transport  of oxygen to the brain
  • Transport of carbon dioxide to the lungs
  • Returning RBCs to the lymph nodes
  • Returning interstitial fluid to the blood
Which are the phagocytic cells from given diagram?
468467_0098cc614b66456aa52ef8805e09bac5.png
  • I and V
  • I and III
  • I and IV
  • I and II
The time taken for the ventricle systole is 
  • 0.5 to 0.56 s
  • 0.1 to 0.16 s
  • 0.3 s
  • 0.76 s
The clot formation can be prevented by treatment with .......... in gene therapy.
  • DNase
  • Recombinant vaccine
  • TPA
  • TGF - B
Which part shows the presence of lymph node?
455882_9c2f4f4c52734a60bfad5654e29e72e5.png
  • A
  • G
  • C
  • All of the above
Which structures are found in a liver cell?

455865.jpg
  • A
  • B
  • C
  • D
In terms of descending order of percentage proportions of leucocytes in human blood, which one is correct?
  • Neutrophils $$\rightarrow$$ lymphocytes $$\rightarrow$$ monocytes $$\rightarrow$$ acidophils $$\rightarrow$$ basophils
  • Neutrophils $$\rightarrow$$ basophils $$\rightarrow$$ lymphocytes $$\rightarrow$$ acidophils $$\rightarrow$$ monocytes
  • Neutrophils $$\rightarrow$$ monocytes $$\rightarrow$$ lymphocytes $$\rightarrow$$ acidophils $$\rightarrow$$ basophils
  • Neutrophils $$\rightarrow$$ acidophils $$\rightarrow$$ basophils $$\rightarrow$$ lymphocytes $$\rightarrow$$ monocytes
Which is the correct sequence of arrangement of types of WBC in decreasing order in terms of number per $${mm}^{3}$$ of human blood?
  • Eosinophils --> Basophils --> Neutrophils
  • Basophils --> Eosinophils --> Neutrophils
  • Neutrophils --> Eosinophils --> Basophils
  • Eosinophils --> Neutrophils --> Basophils
Cellular part of lymph contains
  • Only Leukocytes
  • Water
  • Proteins
  • All of the above
The graph that best describes the experiment 4 is
500868.PNG
Choose the correct sequence of tissues containing $$CO_2$$ from highest concentration level to the lowest.
  • Pulmonary veins$$ - $$left atrium$$ - $$ tissues$$ - $$right ventricle$$ - $$ pulmonary arteries
  • Left atrium$$ - $$ tissues $$ - $$ right ventricle$$ - $$ pulmonary veins$$ - $$pulmonary arteries
  • Pulmonary arteries$$ - $$ right ventricle$$ - $$ tissues$$ - $$ left atrium$$ - $$ pulmonary veins
  • Right ventricle$$ - $$ pulmonary arteries$$ - $$ pulmonary veins$$ - $$left atrium$$ - $$ tissues
  • Tissues$$ - $$pulmonary veins$$ - $$pulmonary arteries$$ - $$left atrium$$ - $$right ventricle
Yellow colour of faeces is on account of:
  • Excessive turmeric
  • Bile
  • Degradation product of haemoglobin
  • None of the above
Rhadbitiform larva performs extraintestinal migration through different organs in the body of mammals. Arrange them in the correct sequence.

(A) Liver        (B) Hepatic portal vein
(C) Heart       (D) Post caval vein
(E) Lungs       (F) Pulmonary arteries
(G) Alveoli     (H) Intestine

  • D-A-B-E-F-C-H-G
  • B-A-D-C-F-E-G-H
  • E-F-A-C-B-D-G-H
  • A-B-D-F-C-G-E-H
It is essential for venous blood while travelling from kidneys towards heart to pass through
  • Iliac vein
  • Inferior vena cava
  • Liver
  • Hepatic vein
  • Pulmonary vein
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
  • Neutrophils
  • Thrombocytes
  • Erythrocytes
  • Leucocytes
A blood cell is moved from an isotonic solution to a hypertonic solution. Select the correct condition.
  • The cell would swell.
  • The cell would shrivel up.
  • The cell would immediately lyse.
  • The cell membrane would be reinforced.
  • Nothing, the cell would be in equilibrium.
For the given experiment, the independent variable is
  • Amount of light
  • Number of water fleas
  • pH of the water
  • Temperature of the water
  • Average heart rate
The factor which initiations the intrinsic pathway of blood clotting and triggers cascade reaction is
  • Anti- haemophilic factor
  • Christmas factor
  • Stuart - Power factor
  • Hagemans factor
Blood which leaves liver and passes towards heart has concentration of 
  • Bile
  • Oxygen
  • RBCs
  • Urea
Both hepatic and renal portal systems are found in
  • Amphibians, Reptiles, Mammals
  • Reptiles, Aves, Mammals
  • Cyclostomes, Fishes, Amphibians
  • Fishes, Amphibians, Reptiles
Identify the correct sequence of blood coagulation.
(A) Activity of thrombin
(B) Formation of protrombin activator
(C) Formation of blood clot
(D) Conversion of fibrinogen to fibrin
  • B-D-A-C
  • B-A-D-C
  • A-D-C-B
  • A-B-C-D
Oxygen and carbon dioxide are transported in blood through.
  • Platelets and corpuscles
  • RBCs and WBCs
  • WBCs and Serum
  • RBCs and plasma
Number of erthyrocytes formed per hour is
  • $$1\ million$$
  • $$10\ billion$$
  • $$100\ million$$
  • $$100\ billion$$
What is correct about the statements?
Statement A. Blood sugar level falls rapidly after hepatectomy
Statement B. Glycogen of liver is principal source of blood sugar

  • Statement A and B correct with B being reason for A
  • Statement A is correct but B is wrong
  • Statement A is wrong but B is correct
  • Both correct but B is not reason of A
Which one of the mammalian cells is incapable of metabolising glucose to carbon dioxide aerobically?
  • WBC
  • RBC
  • Liver cells
  • Unstriated muscle cells
Fluid with variable amount of materials is?
  • Urine
  • Cerebrospinal fluid
  • Blood
  • Lymph
Human RBCs placed in $$1.5\%$$ NaCl solution will.
  • Shrink
  • Burst
  • Remain unaffected
  • Swell up
Persons suffering from hypertension (high blood pressure) are advised a low-salt diet because
  • More salt is absorbed in the body of a patient with hypertension
  • High salt leads to water retention in the blood that further increases the blood pressure
  • High salt increases nerve conduction and increases blood pressure
  • High salt causes adrenaline release that Increases Wood pressure
Which of these are granulocytes?
  • Neutrophils, basophils, lymphocytes
  • Eosinophils, basophils, monocytes
  • Basophils, monocytes, lymphocytes
  • Neutrophils, eosinophils, basophils
Closed blood vascular system occurs in
  • Earthworm
  • Housefly
  • Cockroach
  • Euglena.
A portal system is one in which
  • A vein starts from an organ and ends up in heart.
  • A vein starts from an organ and ends up in another organ.
  • A vein starts from heart and ends up in lungs.
  • None of the above.
Donor X and recipient Y belong to same blood group. Transfusion has led to RBC agglutination because
  • X is $$Rh^+$$, Y is $$Rh^-$$
  • X is $$Rh^-$$, Y is $$Rh^+$$
  • Both are $$Rh^+$$
  • Both are $$Rh^-$$.
Which is incorrect?
  • Veins are typically larger in diameter than arteries
  • Because of their small size, blood flows more rapidly in capillaries than in other parts of circulatory system
  • Walls of arteries are elastic enabling them to stretch and shrink during changes in blood pressure
  • Veins contain more blood than any other part of circulatory system.
Double circulation does not take place in _________.
  • Humans
  • Mammals
  • Birds
  • Fishes
Which of the following diagrams shows the correct blood circulation.
674689_b4ea47f70f76495eb64fe28261ffbdd0.JPG
  • Diagram 4
  • Diagram 3
  • Diagram 2
  • Diagram 1.
A man with blood group A marries AB blood group woman. Which type of progeny indicate that the man is not homozygous?
  • AB
  • B
  • A
  • O.
Lymph does not contain
  • Leucocytes
  • Plasma
  • Erythrocytes
  • All of the above
Choose the correct answer from the alternatives given.
In the sinuses of an open circulatory system,-blood is not segregated from:
  • urine
  • interstitial fluid
  • digestive cavity
  • cytoplasm
People who have migrated from the planes to an area adjoining Rohtang Pass about six months back :
  • Have more RBCs and their haemoglobin has a lower binding affinity to $$O_2$$
  • Are not physically fit to play games like football.
  • Suffer from attitude sickness with symptoms like nausea, fatigue, etc.
  • Have the usual RBC count but their haemoglobin has very high binding affinity to $$O_2$$
Choose the correct answer from the alternatives given.
Which of the following has a closed type of circulatory system?
  • Cockroach
  • Fish
  • Scorpion
  • Mollusc
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