DIGESTIVE SYSTEM NEET QUESTIONS
Digestive system |
1.Which cells of “Crypts of Lieberkuhn” secrete antibacterial lysozyme? (NEET 2017)
A. Argentaffin Cells
B. Zymogen cells
C. Kupffer cells
D. Paneth 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)
A. Incisors
B. Premolars
C. Molars
D. Canines
3. Which hormones stimulate the production of pancreatic juice and bicarbonate?
(NEET-II 2016)
A. Insulin and glucagon
B. Cholecystokinin and secretin
C. Gastrin and insulin
D. Angiotensin and epinephrine
4. The primary dentition in human differs from permanent dentition in not having one of the following types of teeth (2015)
A. Premolars
B. Molars
C. Canines
D. Incisors
5. The initial step in the digestion of milk in humans is carried out by (2014)
A. pepsin
B. trypsin
C. rennin
D. lipase
6. A healthy person eats the following diet – 5gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adulterated with 2 gm vegetable ghee (hydrogenated vegetable oil), and 5 gm lignin. How many calories is he likely to get? (NEET 2013)
A. 144
B. 112
C. 164
D. 126
7. Where do certain symbiotic microorganisms normally occur in the human body?
(Mains 2012)
A. Duodenum
B. Tongue surface and oral lining
C. Rectum and vermiform appendix
D. Caecum
8. One of the constituents of pancreatic juice that is poured into the duodenum in humans is (Mains 2011)
A. trypsin
B. chymotrypsin
C. trypsinogen
D. enterokinase
9. Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of (2011)
A. neck
B. tongue
C. diaphragm
D. epiglottis
10. If for some reason our goblet cells are non-functional, this will adversely affect(2010)
A. maturation of sperms
B. secretion of sebum from sebaceous glands
C. production of somatostatin
D. smooth movement of food down the intestine
11. Which of the following functions is not performed by secretions from salivary glands?
(NEET-2022)
(a) Control bacterial population in mouth
(b) Digestion of complex carbohydrates
(c) Lubrication of oral cavity
(d) Digestion of disaccharides
12. Once the undigested and unabsorb substances center the caecum, their back is prevented by-
[NEET 2023]
(a) lleo-caecal valve
(b) Gastro-oesophageal sphincter
(c) Pyloric sphincter
(d) Sphincter of Oddi
13. Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability?
(a) Thiamine - Beri - beri
(b) Protein - Kwashiorkor
(c) Nicotinamide - Pellagra
(d) Iodine - Goitre
14. Sphincter of Oddi is present at..
(NEET-2021)
(a) ileo - caecal junction
(b) junction of hepato duodenum - pancreatic duct and
(c) gastro - oesophageal junction
(d) junction of jejunum and duodenum
15. Succus entericus is referred to as ... (NEET-2021)
(a) pancreatic juice
(c) gastric juice
(b) intestinal juice
(d) chyme
Question Answer Key
1 D
2 B
3 B
4 A
5 C
6 A
7 D
8 C
9 D
10 D
11 D
12 A
13 C
14 B
15 B