Elementary Knowledge of Human Body and Its Important Organs NDA Questions

NDA BIOLOGY

Elementary Knowledge of Human Body and Its Important Organs MCQ Questions


7.
The absorption of digested food primarily takes place through structures in the small intestine called:
A.
Crypts of Lieberkühn
B.
Rugae
C.
Haustra
D.
Villi and microvilli
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ANSWER :
D. Villi and microvilli
8.
The hormone that stimulates the secretion of gastric juice is:
A.
Enterogastrone
B.
Secretin
C.
Cholecystokinin
D.
Gastrin
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ANSWER :
D. Gastrin
9.
Which vitamin is essential for blood clotting and is fat-soluble?
A.
Vitamin B12
B.
Vitamin K
C.
Vitamin D
D.
Vitamin C
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ANSWER :
B. Vitamin K
10.
The appendix is a vestigial organ attached to:
A.
Ileum
B.
Ascending colon
C.
Rectum
D.
Caecum
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ANSWER :
D. Caecum
11.
The functional unit of the lung responsible for gas exchange is:
A.
Pleura
B.
Trachea
C.
Alveolus
D.
Bronchiole
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ANSWER :
C. Alveolus
12.
The volume of air that can be forcibly exhaled after normal expiration is called:
A.
Tidal volume
B.
Expiratory reserve volume
C.
Inspiratory reserve volume
D.
Residual volume
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ANSWER :
B. Expiratory reserve volume