Test # 1
1. Identify the correct statement with reference to the 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)
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?
(a) Canines
(b) Pre-molars
(c) Molars
(d) Incisors
(NEET 2017)
3. Which hormones 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)
4. Where do certain symbiotic microorganisms normally occur in the human body?
(a) Caecum
(b) Oral lining and tongue surface
(c) Vermiform appendix and rectum
(d) Duodenum
(Mains 2012)
5. 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)
6. Which one of the following correctly represents the normal adult human dental formula?
(a) 3 1 3 1 / 3 1 3 1
(b) 2 1 2 2 / 2 1 2 2
(c) 2 1 3 3 / 2 1 2 3
(d) 3 1 2 3 / 3 1 2 3
(Mains 2011)
7. 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
(a) epiglottis
(b) diaphragm
(c) neck
(d) tongue.
(2011)
8. Secretin and cholecystokinin are digestive hormones. They are secreted in
(a) pyloric stomach
(b) duodenum
(c) ileum
(d) oesophagus.
(2005)
9. Duodenum has characteristic Brunner's gland which secretes two hormones called
(a) kinase, estrogen
(b) secretin, cholecystokinin
(c) prolactin, parathormone
(d) estradiol, progesterone.
(2004)
10. Brunner's glands are present in
(a) stomach
(b) oesophagus
(c) ileum
(d) duodenum.
(1999)
11. Which part of the body secretes the hormone secretin?
(a) Stomach
(b) Oesophagus
(c) Ileum
(d) Duodenum
(1999)
12. The layer of cells that secrete enamel of tooth is
(a) osteoblast
(b) odontoblast
(c) dentoblast
(d) ameloblast.
(1998)
13. Which one of the factors required for the maturation of erythrocytes?
(a) Vitamin B12
(b) Vitamin C
(c) Vitamin D
(d) Vitamin A
(1998)
14. In vertebrates, lacteals are found in
(a) oesophagus
(b) ear
(c) ileum
(d) ischium.
(1998)