Please be patient as the PDF generation may take upto a minute.

1.

In open circulatory system, blood is pumped through
(1) Sinuses to large vessels
(2) Large vessels to sinuses
(3) Cavities to organs
(4) Spaces to large vessels

2.

The passage of blood from right atrium to body is
(1) right atrium–right ventricle–pulmonary vein–body
(2) right atrium–right ventricle–pulmonary artery–lung
(3) right atrium– left ventricle–pulmonary vein–body
(4)right atrium–left ventricle–pulmonary artery–lung

3.

In single circulation, the heart pumps
(1) oxygenated blood
(2) deoxygenated blood
(3) mixed blood
(4) blood–nutrients

4.

The hepatic portal ________ carries blood from ________ to liver before it is delivered to the ________.
(1) vein, Pancreas, Pulmonary
(2) artery, intestine, systemic
(3) vein, intestine, systemic
(4) artery, Pancreas, Pulmonary

5.

Arteries have ________ layer of smooth muscles than ________
(1) thicker, vein
(2) thicker, aorta
(3) thinner, vein
(4) thinner, aorta

6.

In mammals, which blood vessel would normally carry largest amount of urea?
1. Dorsal aorta
2. Hepatic vein
3. Hepatic portal vein
4. Renal vein

7.

Figure shows a schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s. 

1.	B-Pulmonary artery- takes blood from heart to lungs, PO2 = 90mm Hg
2.	C-Vena Cava- takes blood from body parts to right auricle, PCO2 = 45mm Hg
3.	D-Dorsal aorta- takes blood from heart to body parts, PO2 = 95mm Hg
4.	A- Pulmonary vein - takes impure blood from body parts, PO2 = 60mm Hg

8.

What percentage of ventricular filling is achieved by atrial contraction?
1.  30
2.  50
3.  70
4.  90

9.

Match the vessels in Column-I with appropriate organs in Column-II:

	Column-I		Column-II
(A)	Hepatic portal vein	(p)	Heart’s blood system
(B)	Pulmonary trunk	(q)	Returns blood to the heart from lower limbs
(C)	Coronary circulation	(r)	Carries blood to the liver
(D)	Inferior vena cava	(s)	Leads to lungs

1. (A)$\to$(r), (B)$\to$(s),(C)$\to$(p),(D)$\to$(q)
2. (A)$\to$(r),(B)$\to$(q),(C)$\to$(s),(D)$\to$(p)
3. (A)$\to$(s),(B)$\to$(p),(C)$\to$(r),(D)$\to$(q)
4. (A)$\to$(s),(B)$\to$(q),(C)$\to$(p),(D)$\to$(r)

10.

Systemic heart refers to
1. The heart that contracts under stimulation from the nervous system.
2. Left auricle and left ventricle in higher vertebrates.
3. Entire heart in lower vertebrates.
4. The two ventricles together in humans.

11.

Given below are four statements (a-d) regarding human blood circulatory system:
 

(a)	Arteries are thick-walled and have narrow lumen as compared to veins.
(b)	Angina is acute chest pain when the blood circulation to the brain is reduced.
(c)	Persons with blood group AB can donate blood to any person with any blood group under the ABO system.
(d)	Calcium ions play a very important role in blood clotting.

Which two of the above statements are correct?

1. (a) and (b)	2. (b) and (c)
3. (c) and (d)	4. (a) and (d)

12.

Which among the following is correct during each cardiac cycle?

1.	The volume of blood pumped by right and left ventricles is same
2.	The volume of blood pumped by right and left ventricles is different
3.	The volume of blood received by right and left atria is different
4.	The volume of blood received by pulmonary arteries and aorta is different

13.

Under normal physiological conditions, when compared to pulmonary circulation:
1. the amount of blood circulated in systemic circulation is more
2. the amount of blood circulated in systemic circulation is less
3. the pressure of blood circulated in systemic circulation is more
4. the pressure of blood circulated in systemic circulation is less

14.

The portal systems seen in humans include:
I: Hepatic portal system
II: Renal portal system
III: Hypothalamic Hypophyseal portal system

1.	I and II only	2.	I and III only
3.	II and III only	4.	I, II and III

15.

Passive filling accounts for about what percent of ventricular filling?

1.	30	2.	50
3.	70	4.	90

16.

Find the odd statement
1. SA node generates the maximum number of action potential per minute so it sets the pace of the activities of the heart
2. About 70ml of blood in pumped out by each ventricle during a cardiac cycle is stroke volume
3. Heart is autoexcitable, its function can be moderated by neural and hormonal mechanisms
4. Systemic heart includes the right ventricles and left atrium

17.

A bicuspid or mitral valve is present between.
(1) Both atria
(2) Both ventricles
(3) Right atrium and right ventricle
(4) left atrium and left ventricle

18.

Bundle of His is a network of:
1. Muscle fibres distributed throughout the heart walls
2. Muscle fibres are found only in the ventricle wall
3. Nerve fibres distributed in ventricles
4. Nerve fibres found throughout the heart

19.

Tricuspid Valves are present between
1. left atria and aorta
2. right atria and right ventricle
3. left atria and left ventricle
4. both 1 and 2

20. Identify the incorrect statement:

1.	Mollusks and arthropods have closed circulatory system
2.	All vertebrates possess a muscular chambered heart
3.	In fishes, the heart pumps out deoxygenated blood
4.	The left atrium receives oxygenated blood in amphibians and reptiles

21. Assertion (A): The walls of ventricles are much thicker than that of the atria.
Reason (R): Ventricles pump blood to different organs and the pressure with which the blood flows through them is much more than the auricles.
In the light of above statements, choose the correct option.
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true but (R) is not the correct explanation of (A)
3. (A) is true but (R) is false
4. Both (A) and (R) are false

22. Read the given statements carefully.

(a)	Congestion of lungs is one of the main symptoms of heart failure.
(b)	Each vein has an inner lining of cuboidal endothelium, called tunica intima.
(c)	The cardiac output of an athlete will be much lower than that of an ordinary man.

Select the correct option.
1. Only statements (a) and (b) are correct.
2. Only statements (a) and (c) are correct.
3. Only statement (c) is correct.
4. Only statements (b) and (c) are incorrect.

23. Figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of label and functions of the part:

 

1.	B - Capillary - thin without muscle layers and well two-cell thick
2.	C - Vein - thin-walled and blood flows in jerks./spurts
3.	D - Pulmonary vein - takes oxygenated blood to heart PO2=95 mm Hg
4.	A - Artery- thick-walled and blood flows evenly

24. Assertion (A): All vertebrate have hepatic portal system.
Reason (R) All animals have hepatic portal system.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.

25. Given below are two statements: 

Assertion (A):	In open-type circulatory system, cells and tissues directly bathe in blood.
Reason (R):	In open-type circulatory system, blood flows through sinuses and capillaries are absent.

 

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

 

26.
Given below are two statements: 

Assertion (A):	Birds and mammals exhibit double circulation
Reason (R):	Ventricles pump out both oxygenated and deoxygenated blood without mixing through pulmonary and systemic circulation pathways

 

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

27. What will be true if we compare the anatomy of a typical artery and a typical vein in human body?
1. The pressure of blood in vein will be higher.
2. The tunica media is comparatively thin in the veins.
3. The colour of the blood will be blue in a vein.
4. The venous RBC will have a lower chloride content.  

28. Which of the following system returns the blood from intestine and breaks into portal system of capillaries in the liver? 
1. Renal porta system 
2. Hepatic portal system 
3. Lymphatic system 
4. Systemic circulation 

29. The sino-atrial node is the normal pacemaker of the human heart primarily because:

1.	it is made up of special cardiac muscle.
2.	it is richly innervated by autonomic nerve fibres.
3.	it is located in the posterior wall of the right atrium.
4.	it depolarizes at the fastest rate out of the whole nodal tissue.

30. When compared to the wall of a typical vein, the wall of a typical artery will show a well developed:

1.	Tunica intima	2.	Tunica media
3.	Tunica externa	4.	Tunica albuginea