Human Heart and Its Working CDS Questions

CDS Biology

Human Heart and Its Working MCQ Questions


1.
What is the primary function of the heart?
A.
Filter blood
B.
Pump blood
C.
Store oxygen
D.
Digest food
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ANSWER :
B. Pump blood
2.
The heart pumps blood into the body through the ___________________.
A.
Aorta
B.
Pulmonary artery
C.
Vena cava
D.
Carotid artery
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ANSWER :
A. Aorta
3.
How many chambers are present in the human heart?
A.
2
B.
3
C.
4
D.
5
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ANSWER :
C. 4
4.
Which chamber of the heart pumps oxygenated blood to the body?
A.
Left atrium
B.
Right atrium
C.
Left ventricle
D.
Right ventricle
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ANSWER :
C. Left ventricle
5.
What separates the left and right sides of the heart?
A.
Septum
B.
Valves
C.
Muscles
D.
Arteries
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ANSWER :
A. Septum
6.
What type of blood does the right atrium receive?
A.
Oxygen-rich
B.
Oxygen-poor
C.
Nutrient-rich
D.
Mixed
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ANSWER :
B. Oxygen-poor