Attempt these 12 questions from chapter Digestion and absorption. These questions were asked in NEET and other medical entrance exams. This website regularly posts about NEET exam and biology topics.
1. Which cells of ‘Crypts of Lieberkuhn’ secrete antibacterial lysozyme? [NEET-2017]
(1) Argentaffin cells
(2) Paneth cells
(3) Zymogen cells
(4) Kupffer cells
2 . 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? [NEET-2017]
(1) Incisors
(2) Canines
(3) Pre-molars
(4) Molars
3. Which of the following options best represents the enzyme composition of pancreatic juice? [NEET-2017]
(1) Amylase, peptidase, trypsinogen, rennin
(2) Amylase, pepsin, trypsinogen, maltase
(3) Peptidase, amylase, pepsin, rennin
(4) Lipase, amylase, trypsinogen, procarboxypeptidase
4. Which of the following guards the opening of hepatopancreatic duct into the duodenum? [NEET-2016]
(1) Sphincter of Oddi
(2) Semilunar valve
(3) Ileo-caecal valve
(4) Pyloric sphincter
5.In the stomach, gastric acid is secreted by the [NEET-2016]
(1) Acidic cells
(2) Gastrin secreting cells
(3) Parietal cells
(4) Peptic cells
6. The primary dentition in human differs from permanent dentition in not having one of the following type of teeth [Re-AIPMT-2015]
(1) Incisors
(2) Canine
(3) Premolars
(4) Molars
7.The enzyme that is not present in succus entericus is [Re-AIPMT-2015]
(1) Lipase
(2) Maltase
(3) Nucleases
(4) Nucleosidase
8. Which of the following statements is not correct? [AIPMT-2015]
(1) Acini are present in the pancreas and secrete carboxypeptidase
(2) Brunner’s glands are present in the submucosa of stomach and secrete pepsinogen
(3) Goblet cells are present in the mucosa of intestine and secrete mucus
(4) Oxyntic cells are present in the mucosa of stomach and secrete HCI
9. One of the constituents of the pancreatic juice while poured into the duodenum in humans is [AIPMT (Mains)-2011]
(1) Trypsin
(2) Enterokinase
(3) Trypsinogen
(4) Chymotrypsin
10. If for some reason our goblet cells are non- functional this will adversely affect [AIPMT (Prelims)-2010]
(1) Smooth movement of food down the intestine
(2) Production of somatostatin
(3) Secretion of sebum from the sebaceous glands
(4) Maturation of sperms
11. Carrier ions like Na ions facilitate the absorption of substances like [AIPMT (Prelims)-2010]
(1) Fructose and some amino acids
(2) Amino acids and glucose
(3) Glucose and fatty acids
(4) Fatty acids and glycerol
12. If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen? [AIPMT(Mains)-2010]
(1) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
(2) The pH of stomach will fall abruptly
(3) Steapsin Will be more effective
(4) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones