Q. No.Process of digestion is accomplished by —
1. Only mechanical process
2. Only chemical process
3. Neither mechanical nor chemical process
4. Both mechanical and chemical processes
1. Only mechanical process
2. Only chemical process
3. Neither mechanical nor chemical process
4. Both mechanical and chemical processes
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Which one of the following statements is true regarding digestion and absorption of food in humans
1. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like
2. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries.
3. About 60% of starch is hydrolysed by salivary amylase in our mouth.
4. Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
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Which of the following statements is false?
1. The breakdown of most of biomacromolecules occurs in duodenum
2. Simple substances (digested foods) are absorbed in the jejunum and ileum
3. Very significant digestive activity occurs in large intestine
4. Undigested and unabsorbed substances are passed on to the large intestine
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Which of the following statements is incorrect?
| I. | Absorption of simple sugar, alcohol, some water and medicines takes place in stomach |
| II. | Maximum water absorption occurs in small intestine |
| III. | Small intestine is the major site of digestion and absorption of food |
| IV. | Fatty acid and glycerol are absorbed by lacteals |
| V. | Nothing is absorbed in mouth and large intestine |
1. I, IV and V
2. V
3. IV
4. II and III
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The absorbed substances finally reach the tissues which utilize them for their activities. This process is called:
| 1. Assimilation | 2. Emulsification |
| 3. Catabolism | 4. Digestion |
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Succus entericus is a term used for
1. The junction of ileum and colon
2. Inflammation of intestine
3. Vermiform appendix
4. Digestive juice of intestine
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An analysis of a patient's diet shows that he ate 90 g carbohydrate, 10 g protein, and 10 g fat each day. Approximately how many calories did this patient consume in one day?
1. 440
2. 470
3. 490
4. 740
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Where do certain symbiotic microorganisms normally occur in human body ?
1. Caecum
2. Oral lining and tongue surface
3. Vermiform appendix and rectum
4. Duodenum
Anxiety and eating spicy food together in an otherwise normal human, may lead to
1. Indigestion
2. Jaundice
3. Diarrhoea
4. Vomiting
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The initial step in the digestion of milk in humans is carried out by
1. Lipase
2. Trypsin
3. Rennin
4. Pepsin
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