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Human Heart and Its Working CDS Questions
CDS SYLLABUS
CDS Biology
Biological Classification
Cell and Its Division
Human Heart and Its Working
Genetics and Biotechnology
Evolution and Ecological Biodiversity
Tissue
Physiology of Plants and Animals
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Yeast and Its Applications
Human Heart and Its Working MCQ Questions
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13.
What is the average resting heart rate for a healthy adult?
A.
40-60 bpm
B.
60-100 bpm
C.
100-120 bpm
D.
120-150 bpm
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ANSWER
:
B. 60-100 bpm
14.
Which blood vessels have the thinnest walls?
A.
Arteries
B.
Veins
C.
Capillaries
D.
Arterioles
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ANSWER
:
C. Capillaries
15.
Which heart valve is located between the right atrium and right ventricle?
A.
Tricuspid valve
B.
Mitral valve
C.
Aortic valve
D.
Pulmonary valve
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View Answer
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ANSWER
:
A. Tricuspid valve
16.
Which component of the blood carries oxygen?
A.
Plasma
B.
White blood cells
C.
Platelets
D.
Red blood cells
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ANSWER
:
D. Red blood cells
17.
The right ventricle pumps blood to the ______ for oxygenation.
A.
Lungs
B.
Aorta
C.
Brain
D.
Liver
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View Answer
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ANSWER
:
A. Lungs
18.
What is the function of the pulmonary veins?
A.
Carry oxygen-rich blood to the heart
B.
Carry oxygen-poor blood to the heart
C.
Carry blood away from the heart
D.
Carry nutrients to tissues
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View Answer
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ANSWER
:
A. Carry oxygen-rich blood to the heart
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