PYQ Digestion and absorpation PDF

1. Sphincter of Oddi is present at a) junction of jejunum and duodenum b) ileo- caecal junction c) junction of hepato-pancreatic duct and duodenum d) gastro-oesophageal junction (NEET 2021) Use code RITU for Discount...

1. Sphincter of Oddi is present at a) junction of jejunum and duodenum b) ileo- caecal junction c) junction of hepato-pancreatic duct and duodenum d) gastro-oesophageal junction (NEET 2021) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 2. Identify the correct statement with reference to human digestive system? a) Ileum opens into small intestine. b) Serosa is the innermost layer of the alimentary canal c) Ileum is a highly coiled part d) Vermiform appendix arises from duodenum (NEET 2020) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 3. Match the following structures with their respective location in organs? A) Crypts of Lieberkuhn i) Pancreas B) Glisson’s Capsule ii) Duodenum C) Islets of Langerhans iii) Small intestine D) Brunner’s Glands iv) Liver Select the correct option from the following: A B C D a) (iii) (ii) (i) (iv) b) (iii) (i) (ii) (iv) (NEET 2019) c) (ii) (iv) (i) (iii) d) (iii) (iv) (i) (ii) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 4. Which of the following terms describes human dentition? a) Thecodont , Diphyodont , Homodont b) Thecodont , Diphyodont , Heterodont c) Pleurodont , Monophyodont , Homodont d) Pleurodont , Diphyodont, Heterodont (NEET 2018) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 5. 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? a) Canines b) Pre-molars c) Molars d) Incisors (NEET 2017) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 7. Which hormones do stimulate the production of pancreatic juice and bicarbonate? a) Angiotensin and epinephrine b) Gastrin and insulin c) Cholecystokinin and secretin d) Insulin and glucagon (NEET-II 2016) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 8. Which of the following guards the opening of hepatopancreatic duct into the duodenum? a) Pyloric sphincter b) Sphincter of Oddi c) Semilunar valve d) Ileocecal valve (NEET-I 2016) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 9. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth? a) Molars b) Incisors c) Canines d) Premolars (2015) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 10. Where do certain symbiotic microorganisms normally occur in human body? a) Caecum b) Oral lining and tongue surface c) Vermiform appendix and rectum d) Duodenum (Mains 2012) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 12. One of the constituents of the pancreatic juice which is poured into the duodenum in humans is? a) trypsinogen b) chymotrypsin c) trypsin d) enterokinase (Mains 2011) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 15. Secretin and cholecystokinin are digestive hormones. They are secreted in? a) pyloric stomach b) duodenum c) ileum d) oesophagus (2005) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 16. Duodenum has characteristic brunner’s gland which secrete two hormones called? a) kinase, estrogen b) secretin, cholecystokinin c) prolactin, parathormone d) estradiol, progesterone (2004) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 17. Which part of body secretes the hormone secretin? a) Stomach b) Oesophagus c) Ileum d) Duodenum (1999) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 18. Brunner’s glands are present in? a) stomach b) oesophagus c) ileum d) duodenum (1999) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 19. The layer of cells that secrete enamel of tooth is? a) osteoblast b) odontoblast c) dentoblast d) ameloblast (1998) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 20. Which one of the factors are required for the maturation of erythrocytes? a) Vitamin B12 b) Vitamin C c) Vitamin D d) Vitamin A (1998) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 23. A polysaccharide which is synthesized and stored in liver cells is? a) arabinose b) glycogen c) lactose d) galactose (1995) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 25. Brunner’s glands occur in? a) submucosa of duodenum b) submucosa of stomach c) mucosa of oesophagus d) mucosa of ileum (1992) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 26. pancreas produces? a) three digestive enzymes and one hormone b) three types of digestive enzymes and two hormones c) two digestive enzymes and one hormone d) three digestive enzymes and no hormone. (1991) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 27. Pancreatic juice and hormones of pancreas are produced by? a) Same cells b) Same cells at different times c) Statement is wrong d) Different cells. (1990) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 28. Secretin stimulates production of? a) saliva b) gastric juice c) bile d) pancreatic juice (1990) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 29. Wharton’s duct is associated with? a) sublingual salivary gland b) parotid salivary gland c) submaxillary salivary gland d) Brunner’s glands (1988) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 30.Duct leading from parotid gland and opening into vestibule is? a) Haversian duct b) Stenson’s duct c) Wolffian duct d) infra-orbital duct (1988) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 31. Lamina propria is connected with? a) acini b) liver c) Graafian follicle d) Intestine (1988) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 32. Succus entericus is referred to as a) chyme b) pancreatic juice c) intestinal juice d) gastric juice (NEET 2021) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 33. The enzyme enterokinase helps in conversion of? a) protein into polypeptides b) trypsinogen into trypsin c) caseinogen into casein d) pepsinogen into pepsin (NEET 2020) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 34. Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes. a) Duodenal cells b) Chief cells c) Goblet cells d) Oxyntic cells (NEET 2019) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 35. Which of the following gastric cells indirectly help in erythropoiesis? a) Chief cells b) Mucous cells c) Goblet cells d) Parietal cells (NEET 2018) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 36. Which of the following options best represents the enzyme composition of pancreatic juice? a) Amylase, Pepsin , Trypsinogen , Maltase b) Peptidase , Amylase , Pepsin, Rennin c) Lipase , Amylase , Trypsinogen , Procarboxypeptidase d) Amylase , Peptidase , Trypsinogen , Rennin (NEET 2017) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 37. In the stomach, gastric acid is secreted by the? a) peptic cells b) acidic cells c) gastrin secreting cells d) parietal cells (NEET-I 2016) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 38. The enzyme that is not present in succus entericus is? a) nucleosidase b) lipase c) maltase d) nuclease (2015) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 39. Gastric juice of infants contains? a) pepsinogen, lipase, renin b) amylase, rennin, pepsinogen c) maltase, pepsinogen, rennin d) nuclease, pepsinogen, lipase (2015 Cancelled) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 40. Which of the following statements is not correct? a) Oxyntic cells are present in the mucosa of stomach and secrete HCL. b) Acini are present in the pancreas and secrete carboxypeptidase. c) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen. d) Goblet cells are present in the mucosa of intestine and secrete mucus. (2015 Cancelled) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 41. The initial step in the digestion of milk in humans is carried out by? a) lipase b) trypsin c) rennin d) Pepsin (2014) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 42. A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure pure buffalo ghee adult rated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get? a) 126 b) 164 c) 112 d) 144 (Karnataka NEET 2013) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 43. Which enzymes are likely to act on the baked potatoes eaten by a man, starting from the mouth and as it moves down the alimentary canal? a) Pancreatic amylase à Salivary amylase à Lipases b) Disaccharidase like maltase à Lipases à Nucleases c) Salivary amylase à Pancreatic amylase à Disaccharidases d) Salivary maltase à Carboxypeptidase à Trypsinogen (Karnataka NEET 2013) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 44. If for some reason our goblet cells are non-functional this will 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. (2010) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 45. 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 hydrolyzed by pepsin into proteoses and peptones. (Mains 2010) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 46. 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 (2009) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 47. 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? pepsin a) Small intestine : Proteins Amino acids !"#$%& b) Stomach : fats Micelles '()#%"* c) Duodenum : Triglycerides Monoglycerides ∝−Amylase d) Small intestine : starch Disaccharide(maltose) (2008) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 48. What will happen if the secretion of parietal cells of gastric 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. (2008) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 51. A person who is eating boiled potato, his food contains the component? a) cellulose which is digested by cellulase b) starch which is digested c) lactose which is not digested d) DNA which can be digested by pancreatic Dnase (2000) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 52. If pancreas is removed, the compound which remain undigested is? a) Proteins b) Carbohydrates c) Fats d) all of these (1997) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 53. What is common among amylase, rennin and trypsin? a) These are produced in stomach b) These act at a pH lower than 7 c) These all are proteins d) These all are proteolytic enzymes (1997) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 54. Choose the correct enzyme-substrate pair? a) carbohydrate – Lipase b) Maltase – Lactose c) Rennin – Casein d) Protein – Amylase (1996) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 55. Which of the following is the function of enterogastrone? a) It inhibits the secretion of gastric juice. b) It stimulates the secretion of digestive juices in the stomach. c) It stimulates the flow of pancreatic juice. d) It regulates the flow of bile (1994) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 56. Which of the following is correct pairing of site of action and substrate of rennin? a) Mouth-Starch b) Small intestine-protein c) Stomach-Casein d) Stomach-Fat (1994) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 57. Most of the fat digestion occurs in? a) rectum b) stomach c) duodenum d) small intestine (1993) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 58. Secretion of gastric juice is stopped by? a) gastrin b) pancreozymin c) cholecystokinin d) enterogastrone (1993) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 59. Where is protein digestion accomplished? a) Stomach b) Ileum c) Rectum d) Duodenum (1991) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 60. In man the zymogen or chief cells are mainly found in? a) cardiac part of stomach b) pyloric part of stomach c) duodenum d) fundic part of stomach (1990) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 61. Emulsification of fat is carried out by? a) bile pigments b) bile salts c) HCL d) pancreatic juice (1990) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 62. Release of pancreatic juice is stimulated by? a) enterokinase b) cholecystokinin c) trypsinogen d) secretin (1989) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 63. 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 iii) Milk proteins D) Fructose iv) Trypsinogen a) A-iii, B-iv, C-ii, D-I b) A-iv, B-iii, C-i, D-ii c) A-iv, B-iii, C-ii, D-I d) A-iii, B-iv, C-i, D-ii (Odisha NEET 2019) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 64. Fructose is absorbed into the blood through mucosa cells of intestine by the process called? a) acitve transport b) facilitated transport c) simple diffusion d) co-transport mechanism (2014) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 65. Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II. Column I Column II a) Glycerol, fatty acids Duodenum, move as chylomicrons b) Cholesterol, maltose Large intestine, active absorption c) Glycine, glucose Small intestine, active absorption d) Fructose, Na+ Small intestine, passive absorption (NEET 2013) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 67. A young infant may be feeding entirely on mother’s milk which is white in color but the stools which the infant passes out is quite yellowish. What is this yellow color due to? a) Bile pigments passed through bile juice b) Undigested milk protein casein c) Pancreatic juice poured into duodenum d) Intestinal juice (2009) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 68. Which one of the following statements is true regarding digestion and absorption of food in humans? a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na+ b) Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries. c) About 60% of starch is hydrolyzed by salivary amylase in our mouth. d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen. (2009) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 69. Epithelial cells of the intestine involved in food absorption have on their surface? a) pinocytic vesicles b) microvilli c) zymogen granules d) phagocytic vesicles (2005) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 70. During prolonged fastings , in what sequence are the following organic compounds used up by the body? a) First carbohydrates, next fats and lastly proteins b) First fats, next carbohydrates and lastly proteins c) First carbohydrates, next proteins and lastly lipids d) First proteins, next lipids and lastly carbohydrates (2003) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 71. Anxiety and eating spicy food together in an otherwise normal human, may lead to? a) indigestion b) jaundice c) diarrhoea d) Vomiting (2012) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 72. Jaundice is a disorder of? a) excretory system b) skin and eyes c) digestive system d) circulatory system. (Mains 2010) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 73. 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) rickets b) kwashiorkor c) pellagra d) Marasmus (2009) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 74. 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 (2007) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 76. A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from? a) scurvy b) kwashiorkor c) rickets d) Anaemia (2005) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818  77. Which group of three of the following five statements (1-5) contain all three correct statements regarding beri-beri? 1) A crippling disease prevalent among the native population of sub-Saharan Africa. 2) A deficiency disease caused by lack of thiamine (vitamin B1) 3) A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein 4) Occurs in those countries where the staple diet is polished rice 5) The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure. a) 2 , 4 and 5 b) 1 , 2 and 4 c) 1 , 3 and 5 d) 2 , 3 and 5 (2005) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 79. Which one of the following pairs is not correctly matched? a) Vitamin B12 – Pernicious anaemia b) Vitamin B6 – Convulsions c) Vitamin B1 – Beri- beri d) Vitamin B2 – Pellagra (2004) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 80. Which one of the following pairs is not correctly matched? a) Vitamin C – Scurvy b) Vitamin B2 – Pellagra c) Vitamin B12 – pernicious anaemia d) Vitamin B6 – Beri- beri (2003) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 81. Stool of a person is whitish grey colored due to malfunction of which of the following organs? a) Pancreas b) Spleen c) Kidney d) Liver (2002) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 82. Continuous bleeding from an injured part of body is due to deficiency of? a) Vitamin A b) Vitamin B c) Vitamin K d) Vitamin E (2002) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 83. Which one of the following is correctly matched? a) Vitamin E – Tocopherol b) Vitamin D – Riboflavin c) Vitamin B – Calciferol d) Vitamin A – Thiamine (2001) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 84. Which food should be eaten during deficiency of rhodopsin in eyes? a) Carrot and ripe papayas b) Guava, banana c) Mango and potato d) None of the above (2000) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 88. Pellagra disease is caused by the deficiency of? a) niacin b) tocopherol c) riboflavin d) folic acid (1996) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 89. High cholesterol patients are advised to use? a) ghee, butter and oils b) groundnut oil, margarine and vegetable oils c) fatty oil and butter d) cheese, dalda and ghee (1996) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 91. The vitamin C or ascorbic acid prevents? a) scurvy b) antibody synthesis c) rickets d) Pellagra (1995) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818 92. Calcium deficiency in the body occurs in the absence of? a) Vitamin C b) Vitamin D c) Vitamin B d) Vitamin E (1994) Use code RITU for Discount , Notes , Tests , Mentorship Help Line No:- 6283051818