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

Subtopic:  Intestinal Secretions |
 83%
From NCERT
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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

Subtopic:   DIGESTION OF FOOD |
 81%
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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
Subtopic:  Protein Energy Malnutrition |
 81%
From NCERT
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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

Subtopic:  Bile |
 85%
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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

Subtopic:  Gastric Secretions |
 85%
From NCERT
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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

Subtopic:  Intestinal Secretions |
 54%
From NCERT
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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

Subtopic:  Disorders of Digestive System |
 64%
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Which of the following teeth are lophodont?
1. Incisor and canine
2. Canine and premolar
3. Premolar and molar
4. Premolar and incisor

Subtopic:  Alimentary Canal: Oral Cavity & Teeth |
 61%
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Which of the following digestive juices has the minimum pH value?
1. Bile
2. Gastric juice
3. Saliva
4. Pancreatic juice

Subtopic:  Gastric Secretions |
 79%
From NCERT
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The vitamin nicotinamide can be synthesized in our body from

1. tyrosine 2. tryptophan
3. valine 4. phenylalanine
Subtopic:   DIGESTION OF FOOD |
 55%
AIPMT - 2002
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