Digestion And Absorption

Biology
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The function of tongue is to

A
Help in the act of swallowing
B
Help in mixing saliva with the food
C
Help in speaking
D
All of the above
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A specialized structure in intestine that helps in absorption is

A
Alveoli
B
Villi
C
Bowman's capsule
D
Salivary glands
E
Pyloric sphincter
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Substrate of amylase enzyme is

A
Protein
B
Fat
C
Starch
D
Sucrose
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Which one of the following is the matching set of gland and
its secretion?

A
Pituitary gland - Thyroxin
B
Salivary gland - Amylase
C
Adrenal cortex - Vasopressin
D
Islets of Langerhans - Secretin
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Milk protein is acted upon by a gastric enzyme

A
Casein
B
Rennin
C
Pepsin
D
Caseinogen
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Which one of the following pairs of food components in humans reaches the intestine totally undigested?

A
Protein and starch
B
Fat and starch
C
Fat and cellulose
D
Starch and cellulose
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Digestion of starch takes place in

A
Stomach and duodenum
B
Buccal cavity and small intestine
C
Buccal cavity and oesophagus
D
Duodenum only
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The enzyme added to the starch solution for its break down may have been

A
Maltase
B
Invertase
C
Lipase
D
Amylase
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Mucosa of duodenum has.

A
Absorptive cells
B
Goblet cells
C
Argentaffin cells
D
All the above
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Mode of infection in diarrhoea is

A
Food
B
Water
C
Air
D
None of the above
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