Biology Chapter 9 Entry test MCQs
26. Gastric glands are composed of————types of cells.
a. Three
b. Two
c. Five
d. Four
27. HCl in gastric juice is secreted by which one of the following cells?
a. Oxyntic cells
b. Chief cells
c. Kupffer cells
d. Mucous cells
28. Protein components of food are digested by the enzymatic secretion of:
a. Parietal Cells
b. Goblet Cells
c. Oxyntic Cells
d. Zymogen Cells
29. Digestive system consists of different layers, the innermost is known as:
a. Mucosa
b. Submucosa
c. Serosa
d. Muscularis
30. Food enters from stomach into small intestine through:
a. Cardiac Sphincter
b. Pyloric Sphincter
c. Diaphragm
d. Semilunar valve
31. Label ‘a’ in the following diagram:
a. Sino atrial valve
b. Cardiac sphincter
c. Pyloric sphincter
d. Stomach valve
Digestion in Small Intestine
34. In the wall of alimentary canal, sequence from outer to inner is:
a. Serosa, longitudinal muscles, circular muscles, sub-mucosa, mucosa
b. Serosa, longitudinal muscle, mucosa, sub-mucosa
c. Serosa, longitudinal muscles, sub-mucosa, mucosa
d. Mucosa, serosa, muscles, epithelium
35. Lactase breaks the lactose into:
a. Glucose monomers
b. Fatty acids + glycerols
c. Glucose + galactose
d. Amino acid + peptones
36. Final digestion of food stuff and absorption of digested products occur at:
a. Mouth
b. Small intestine
c. Stomach
d. Large intestine
37. The hepatic portal vein is located between the:
a. Pancreas–small intestine
b. Hepatic vein- vena cava
c. Small intestine – liver
d. Mouth-stomach
38. Which of the following carries lipoproteins from digestive tract?
a. Lymphatic vessels
b. Hepatic portal vein
c. Hepatic vein
d. Mesenteric vein
39. Which of the following is produced from both intestinal lining and pancreas?
a. Enterokinase
b. Maltase
c. Erypsin
d. Lipase
40. Fats changes to lipoproteins in:
a. Lacteals
b. Goblet cells
c. Crypts
d. Blood vessel
41. These are the part of lymphatic system:
a. Villi
b. Lacteals
c. Liver
d. Duodenum
42. Which of the following do not pass from the small intestine to the large intestine?
a. Organic and inorganic salts
b. Water and sloughed off mucosal cells
c. Gastrin and secretin
d. Cellulose and inactive enzymes
43. Small intestine is termed small because of its small:
a. Diameter
b. Surface area
c. Length
d. Volume
44. Which of the following is not a component of intestinal juice?
a. Erypsin
b. Ptyalin
c. Lactase
d. Lipase
45. Fats pass into blood via:
a. Thoracic lymphatic duct
b. Right lymphatic duct
c. Jugular vein
d. Subclavian vein
46. Starch is digested in:
a. Duodenum and ileum
b. Oral cavity and stomach
c. Esophagus and proximal part of small intestine only
d. Buccal cavity and duodenum
47. Which of the following is incorrect regarding to trypsin and pepsin?
a. Both released as pro-enzymes
b. Both are endo-peptidase
c. Both act upon same substrate
d. Both act at same site and pH
48. Which phagus and Stowing is endocrine pair present in digestive canal?
a. Stomach and Duodenum
b. Esophagus and Stomach
c. Stomach and Liver
d. Pancreas and Ileum
49. The hormone which increases the secretion of pancreatic juice is:
a. Gastrin
b. Secretin
c. Parathormone
d. Thyroxine
50. Trypsinogen is activated to trypsin by:
a. Enterokinase
b. HCI
c. Gastrin
d. Mucus