Multiple Choice Questions

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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


C.

Pepsin – Stomach wall – Caesin

Pepsin is released from peptic cells of the gastric gland on the stomach wall and it can digest milk protein casein.

Chymotrypsin is released from the intestine and digest proteins. Ptyalin is released from salivary glands and acts on starch.


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Vitamin-B12 is absorbed primarily in the

  • Stomach

  • Duodenum

  • Jejunum

  • ileum


Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen


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

  • Amphibia

  • Reptilia

  • Osteichthyes

  • Aves


Kupffer cells are present in

  • liver

  • small intestine

  • pancreas

  • thyroid gland


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Maximum absorption of water occurs in

  • colon 

  • rectum

  • large intestine

  • small intestine


The layer of cells that secrete enamel of the tooth is

  • Dentoblast

  • Ameloblast

  • Osteoblast

  • Odontoblast


Which of the following hormone stimulates the gastric secretion

  • Enterogastrone

  •  Gastrin

  • CCK-PZ

  • Villikinin


Secretion of pancreatic juice is stimulated by

  • gastrin

  • secretin

  • enterogasteron

  • enterokinase


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Digestion' word means

  • burning of food

  • oxidation of food

  • hydrolysis of food

  • oxidation of food


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