- Remaining Timing :-
(1). Examination of blood of a person suspected of having anaemia shows large, immature, nucleated erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate his symptoms ?
- (a). Iron compounds
- (b). Thiamine
- (c). Folic acid and cobalamine
- (d). Riboflavin
- (e). None of these
Explanation:
(2). Which one of the following is a fat-soluble vitamin and its related deficiency disease ?
- (a). Retinol – Xerophthalmia
- (b). Cobalamine – Beri-beri
- (c). Calciferol – Pellagra
- (d). Ascorbic acid – Scurvy
- (e). None of these
Explanation:
(3). 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 ?
- (a). Small intestine : proteins-amino acids
- (b). Stomach : fats –micelles
- (c). Duodenum : triglycerides – monoglycerides
- (d). Small intestine : starch – disaccharide (maltose)
- (e). None of these
Explanation:
(4). What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor ?
- (a). In the absence of HCI secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
- (b). Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
- (c). Gastric juice will be deficient in chymosin
- (d). Gastric juice will be deficient in pepsinogen
- (e). None of these
Explanation:
(5). When breast feeding is replaced by less nutritive food which is low in proteins and calories; the infants below the age of one year are likely to suffer from
- (a). rickets
- (b). kwashiorkor
- (c). pellagra
- (d). marasmus
- (e). None of these
Explanation:
(6). Which one of the following pairs of food components in humans reaches the stomach totally undigested ?
- (a). Starch and fat
- (b). Fat and cellulose
- (c). Starch and cellulose
- (d). Protein and starch
- (e). None of these
Explanation:
(7). If for some reason our goblet cells are non-functional, this wil adversely affect
- (a). production of somatostatin
- (b). secretion of sebum from the sebaceous glands
- (c). maturation of sperms
- (d). smooth movement of food down the intestine
- (e). None of these
Explanation:
(8). If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen ?
- (a). The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
- (b). The pH of stomach will fall abruptly
- (c). Steapsin will be more effective
- (d). Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones
- (e). None of these
Explanation:
(9). Jaundice is a disorder of
- (a). excretory system
- (b). skin and eyes
- (c). digestive system
- (d). circulatory system
- (e). None of these
Explanation:
- (a). amino acids and glucose
- (b). glucose and fatty acids
- (c). fatty acids and glycerol
- (d). fructose and some amino acids
- (e). None of these
Explanation: