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प्रश्न
Correct the following statement by deleting one of entries (given in bold).
Saliva contains enzymes that digest starch/protein.
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उत्तर
Saliva contains enzymes that digest starch.
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संबंधित प्रश्न
Match column I with column II
| Column I | Column II | ||
| a | Bilirubin and biliverdin | 1 | Parotid |
| b | Hydrolysis of starch | 2 | Bile |
| c | Digestion of fat | 3 | Lipases |
| d | Salivary gland | 4 | Amylases |
How does pepsinogen change into its active form?
Answer briefly:
How does bile help in the digestion of fats?
Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
What would happen if HCl were not secreted in the stomach?
Which of the following sphincter controls the passage of food into the stomach?
The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall. What do we call the food then?
Trypsinogen is an inactive enzyme of pancreatic juice. An enzyme, enterokinase, activates it. Which tissue/ cells secrete this enzyme?/ How is it activated?
Define digestion in one sentence.
Correct the following statement by deleting one of entries (given in bold).
Goblet cells are located in the intestinal mucosal epithelium and secrete chymotrypsin/mucus.
Correct the following statement by deleting one of entries (given in bold).
Fats are broken down into di- and monoglycerides with the help of amylase/ lipases.
Correct the statement given below by the right option shown in the bracket against them.
Pancreatic juice and bile are released through. (intestine- pancreatic/hepato-pancreatic duct)
Correct the statement given below by the right option shown in the bracket against them.
Dipeptides, disaccharides and glycerides are broken down into simple substances in region of small intestine. (jejunum/duodenum)
How is the intestinal mucosa protected from the acidic food entering from stomach?
How are the activities of gastro-intestinal tract regulated?
Describe the enzymatic action on fats in the duodenum.
A person had roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.
