Q. No.If for some reason, our goblet cells are non-functional, this will adversely affect the
1. production of somatostatin
2. secretion of sebum from the sebaceous glands
3. maturation of sperms
4. smooth movement of food down the intestine
1. production of somatostatin
2. secretion of sebum from the sebaceous glands
3. maturation of sperms
4. smooth movement of food down the intestine
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Which one of the following pairs of food components in humans reaches the stomach totally undigested?
1. Protein and starch
2. Starch and fat
3. Fat and cellulose
4. Starch and cellulose
When breast feeding is replaced by less nutritive food low in proteins and calories, the infants below the age of one year are likely to suffer from:
| 1. marasmus | 2. rickets |
| 3. kwashiorkor | 4. pellagra |
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A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which the infant passes out are quite yellowish. What is this yellow colour due to?
1. Intestinal juice
2. Bile pigments passed through bile juice
3. Undigested milk protein casein
4. Pancreatic juice poured into duodenum
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
1. Gastric juice will be deficient in chymosin
2. Gastric juice will be deficient in pepsinogen
3. In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin
4. Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
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Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product?
1. Duodenum :Triglycerides→Trypsin→Monoglycerides
2. Small intestine :Starch→α-amylase→Disaccharide (maltose)
3. Small intestine :Proteins→Pepsin→Amino Acids
4. Stomach :Fats→ Lipase→Micelles
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Which one of the following is a fat-soluble vitamin and its related deficiency disease?
1. Ascorbic acid - Scurvy
2. Retinol - Xerophthalmia
3. Cobalamine - Beri-Beri
4. Calciferol - Pellagra
Which of the following teeth are lophodont?
1. Incisor and canine
2. Canine and premolar
3. Premolar and molar
4. Premolar and incisor
Which of the following digestive juices has the minimum pH value?
1. Bile
2. Gastric juice
3. Saliva
4. Pancreatic juice
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The vitamin nicotinamide can be synthesized in our body from
| 1. tyrosine | 2. tryptophan |
| 3. valine | 4. phenylalanine |
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