Q. No.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
Cattle fed with spoilt hay of sweet clover which contains dicumarol
1. are healthier due to a good diet
2. catch infections easily
3. may suffer vitamin K deficiency and prolonged bleeding
4. may suffer from beri beri due to deficiency of B vitamins
Sphincter of Oddi is present at :
1. Gastro-oesophageal junction
2. Junction of jejunum and duodenum
3. Ileo-caecal junction
4. Junction of hepato-pancreatic duct and duodenum
A baby boy aged two years is admitted to play-school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
1. Incisors
2. Canines
3. Premolars
4. Molars
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
If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
1. The pH of stomach will fall abruptly.
2. Steapsin will be more effective.
3. Proteins will not be adequately hydrolyzed by pepsin into proteases and peptones.
4. The pancreatic enzymes, and especially trypsin and lipase, will not work efficiently.
Match the items given in Column - I with those in Column - II and choose the correct option.
| Column-I | Column-II | ||
| (a) | Rennin | (i) | Vitamin B12 |
| (b) | Enterokinase | (ii) | Facilitated transport |
| (c) | Oxyntic cells | (iii) | Milk proteins |
| (d) | Fructose | (iv) | Trypsinogen |
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iv) | (iii) | (i) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (iv) | (i) | (ii) |
Lactose is composed of:
1. Glucose + galactose
2. Glucose + fructose
3. Glucose + glucose
4. Glucose + mannose
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
Epithelial cells of the intestine involved in food absorption have, on their surface,
1. Zymogen granules
2. Pinocytic vesicles
3. Phagocytic vesicles
4. Microvilli
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