195. Parotid salivary gland are present
A. below the tongue
B. below the ear
C. below the eye orbit
D. at the angle between two jaws
Answer: B
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196. Which one of the following is a fat-soluble vitamin and its related deficiency disease
A. Ascorbic acid-Scurvy
B. Retinol-Xerophthalmia
C. Cobalamine-Beri-beri
D. Calciferol-Pellagra
Answer: B
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197. Which one of the following mammalian cells is not capable of metabolising glucose to carbon-dioxide aerobically ?
A. Red blood cells
B. White blood cells
C. Unstriated muscle cells
D. Liver cells
Answer: A
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198. Which of the following is the correct matching of the site of action on the given substrate, the enzyme acting state upon it and the end product
A. Small intestine - Proteins Pepsin Aminoacids
B. Stomach-Fats Lipase Micelles
C. Duodenum - Triglycerides Trypsin Mono- glycerides
D. Small intestine - Starch -amylase Disacharide (Maltose)
Answer: D
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199. What will happen if the secretion of parietal cells ofgastric glands is blocked with an inhibitor?
A. In the absence of HCl 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
Answer: A
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200. 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
A. Pellagra
B. Marasmus
C. Rickets
D. Kwashiorkor
Answer: B
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201. A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. The yellow colour of stool is
due to
A. Pancreatic juice poured into duodenum
B. Intestinal juice
C. Bile pigments passed through bile juice
D. Undigested milk protein casein
Answer: C
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202. Which one of the following statements is true regarding digestion and absorption of food in humans?
A. About 60% of starch is hydrolysed by salivary amylase in our mouth
B. Oxyntic cells in our stomach secrete the proenzyme pepsinogen
C. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+
D. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
Answer: C
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203. Which one of the following pairs of food components in human reaches the stomach totally undigested
A. Starch and cellulose
B. Protein and starch
C. Starch and fat
D. Fat and cellulose
Answer: D
_______________________
204. Carrier ions like Na+ facilitate the absorption of substance like
A. Amino acids and glucose
B. Glucose and fatty acids
C. Fatty acids and glycerol
D. Fructose and some amino acids
Answer: A
_______________________
205. If for some reason our goblet cells are non-functional, this will adversely effect
A. Production of somatostatin
B. Secretion of sebum from the sebaceous glands
C. Maturation of sperms
D. Smooth movement of food down the intestine
Answer: D
_______________________
206. Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency?
A. Canolla
B. Golden rice
C. Bt-Brinjal
D. Flaver Savr tomato
Answer: B
_______________________
207. Currgisis of liver is caused by the chronic intake of
A. Alcohol
B. Tobacco ( chewing)
C. Cocaine
D. Opium
Answer: A
_______________________
208. Anxiety and eating spicy food together in an otherwise normal human, may lead to
A. Jaundice
B. Diarrhoea
C. Vomiting
D. Indigestion
Answer: D
_______________________
209. Two friends are eating togeather on a dinning table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
A. Tongue
B. Epiglottis
C. Diaphragm
D. Neck
Answer: B
_______________________
210. The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eye, is a derivative of
A. Vitamin A
B. Vitamin B 1
C. Vitamin C
D. Vitamin D
Answer: A
_______________________
211. Where do certain symboitic microorganisms normally occur in human body
A. Caecum
B. Oral lining and tongue surface
C. Vermiform appendix and rectum
D. Duodenum
Answer: A
_______________________
212. The intitial step in digestion of milk in infant is carreid out by
A. Lipase
B. Trypsin
C. Rennin
D. Pepsin
Answer: C
_______________________
213. Fructose is absorbed into the blood through mucosa cells of intestine by process called
A. active transport
B. facilitated transport
C. simple diffusion
D. co-transport mechanism
Answer: B
_______________________
214. Which of the following statements is not correct'?
A. Acini are present in the pancreas and secrete carboxy-peptidase
B. Brunner's glands are present in the submucosa of stomach and secrete pepsinogen
C. Goblet cells are present in the mucosa of intestine and secrete mucus
D. Oxyntic cells are present in the mucosa of stomachand secrete HCl
Answer: C
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215. Gastric juice of infants contains
A. amylase, rennin, pepsinogen
B. maltase, pepsinogen, rennin
C. nuclease, pepsinogen, lipase
D. pepsinogen, lipase, rennin
Answer: D
_______________________
216. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth
A. Incisors
B. Canine
C. Premolars
D. Molars
Answer: C
_______________________
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