Multiple Choice Questions

Advertisement

Which of the following hormone stimulates the gastric secretion

  • Enterogastrone

  •  Gastrin

  • CCK-PZ

  • Villikinin


B.

 Gastrin

Gastrin hormone is secreted by the gastric glands to release the gastric juice.

Enterogasterone is secreted by the duodenal epithelium. It inhibits the secretion of gastric juice and slows gastric contraction.

Cholecystokinin pancreozymin (CCK-PZ) is secreted by entire small intestine. It stimulates the gall bladder to release bile and the pancreas to release enzymes in the pancreatic juice.

Villikinin accelerates the movement of intestinal villi


Advertisement

Secretion of pancreatic juice is stimulated by

  • gastrin

  • secretin

  • enterogasteron

  • enterokinase


Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system

  • Amphibia

  • Reptilia

  • Osteichthyes

  • Aves


Digestion' word means

  • burning of food

  • oxidation of food

  • hydrolysis of food

  • oxidation of food


Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen


Advertisement

Identify the correct set, which shows the name of the enzyme from where it is secreted and the substrate upon which it acts.

  • Ptyalin – Intestine – Maltose

  • Ptyalin – Pancreas – Lipid

  • Pepsin – Stomach wall – Caesin

  • Chymotrypsin – Salivary gland – Lactose


Maximum absorption of water occurs in

  • colon 

  • rectum

  • large intestine

  • small intestine


Vitamin-B12 is absorbed primarily in the

  • Stomach

  • Duodenum

  • Jejunum

  • ileum


Kupffer cells are present in

  • liver

  • small intestine

  • pancreas

  • thyroid gland


Advertisement
<

The layer of cells that secrete enamel of the tooth is

  • Dentoblast

  • Ameloblast

  • Osteoblast

  • Odontoblast


Advertisement