Transportation Biology Test 02

Total Questions: 30

1 - Following cells is most abundant in the blood:

A ) Red blood cells ✅
B ) White blood cells
C ) Platelets
D ) None of these

2 - A cubic millimeter blood of male contains RBCs;

A ) 5 - 5 .5 million ✅
B ) 4 - 4.5 million
C ) 3 - 4 million
D ) 2 - 3 million

3 - Following are not granulocytes?

A ) Neutrophils
B ) Eosinophils
C ) Monocytes ✅
D ) Basophils

4 - Average life span of red blood cell is;

A ) 50 days
B ) 120 days ✅
C ) Months to years
D ) 12 days

5 - Following structures are not cells;

A ) Lymphocytes
B ) Eosinophils
C ) Monocytes
D ) Platelets ✅

6 - Following is not the function of blood;

A ) It transports gases in the body
B ) It transports reproductive cells in the body ✅
C ) It transports food within the body
D ) It transports wastes material in body

7 - Leukemia is a /an;

A ) Uncontrolled production of RBC
B ) Uncontrolled production of WBC ✅
C ) Uncontrolled production of platelets
D ) All of the above

8 - Thalassaemia is an abnormality of;

A ) RBC ✅
B ) WBC
C ) Platelets
D ) None of these

9 - The valve present between right atrium and right ventricle is called;

A ) Tricuspid valve ✅
B ) Bicuspid valve
C ) Semilunar valve
D ) None of these

10 - The valve present between left atrium and left ventricle is called;

A ) Tricuspid valve
B ) Bicuspid valve ✅
C ) Semilunar valve
D ) None of these

11 - The valve present at the base of aorta is called;

A ) Tricuspid valve
B ) Bicuspid valve
C ) Aortic semilunar valve ✅
D ) Pulmonary semilunar valve

12 - Arteries which supply blood legs;

A ) Femoral artery ✅
B ) Renal artery
C ) Coronary artery
D ) Pulmonary artery

13 - Vains which collect blood from the digestive system and supply blood to liver:

A ) Hepatic vein
B ) Hepatic portal vein ✅
C ) Renal veins
D ) None of these

14 - The voice of lubb is produced during the contraction of heart when;

A ) Tricuspid valve is closed
B ) Bicuspid valve is closed
C ) Both tricuspid and bicuspid valves are closed ✅
D ) Semilunar valves are closed

15 - The voice of dubb is produced during the contraction of heart when:

A ) Tricuspid valve is closed
B ) Bicuspid valve is closed
C ) Both tricuspid and bicuspid are closed
D ) Semilunar valves are closed ✅

16 - Name of layers present in the arteries;

A ) Elastic tissues
B ) Smooth muscles
C ) Connective tissues
D ) All of these

17 - Atherosclerosis is:

A ) The breaking of the wall of the artery
B ) The narrowness of the wall of the artery ✅
C ) The deposition of fats in the wall of the artery
D ) None of these

18 - Following is the characteristic of Capillary:

A ) It has three layers of endothelium
B ) It has one layer of endothelium ✅
C ) It has one layer of connective tissues
D ) It has one layer of elastic tissues

19 - Following is the main function of capillaries:

A ) Supply blood of tissues
B ) Exchange of materials ✅
C ) Bring blood from tissues
D ) Transport of materials

20 - Layers of vein has less smooth muscles and elastic tissue as compared to artery;

A ) Outer layer
B ) Middle layer ✅
C ) Inner most layer
D ) All of these

21 - Following blood vessels has high blood pressure:

A ) Artery ✅
B ) Vein
C ) Capillary
D ) None of these

22 - Pulse is left in:

A ) Artery ✅
B ) Vein
C ) Capillary
D ) None of these

23 - That cause of hypertension is:

A ) Low blood pressure
B ) High blood pressure ✅
C ) Cholesterol level
D ) All of these

24 - Thrombus is called:

A ) A blockage of blood vessels
B ) A clot in the vessel ✅
C ) A moving clot in vessel
D ) None of these

25 - Embolus is called:

A ) A blockage of blood vessel
B ) A clot in the vessel
C ) A moving clot in the vessel ✅
D ) None of these

26 - Condition which is helpful in the prevention of heart attack:

A ) Avoid too much fatty food rich in cholesterol.
B ) Maintain normal body weight
C ) Control the blood pressure of regular walk and exercises.
D ) All of these

27 - Tricuspid valve contains no. of flaps;

A ) Four
B ) Five
C ) Three ✅
D ) Two

28 - Cardiac muscule can be distinguished from other muscle fibers because cardiac muscles are;

A ) Involuntary in action ✅
B ) Voluntary in action
C ) Lacks regular arrangement of sacromeres
D ) Has many nuclei

29 - According to pressure flow theory it serves as sink?

A ) Leaves
B ) Stems
C ) Roots
D ) Leaves, stem and roots ✅

30 - The outermost layer of root is;

A ) Epithelium
B ) Cortex
C ) Endodermis
D ) Epidermis ✅