Digestion and Absorption

Multiple Choice Questions

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Oxyntic cells secrete

  • HCl

  • Trypsin

  • NaOH

  • Pepsinogen

A.

HCl

Oxyntic cells or parietal cells are large and rounded cells located upon the surface of the gastric gland and secrete HCl and CIF (Castle's Intrinsic Factor). This HCl gives the gastric fluids, a pH of about 2.0.

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    Digestion' word means

    • burning of food

    • oxidation of food

    • hydrolysis of food

    • oxidation of food

    Answer

    Vitamin-B12 is absorbed primarily in the

    • Stomach

    • Duodenum

    • Jejunum

    • ileum

    Answer

    Secretion of pancreatic juice is stimulated by

    • gastrin

    • secretin

    • enterogasteron

    • enterokinase

    Answer

    Which of the following hormone stimulates the gastric secretion

    • Enterogastrone

    •  Gastrin

    • CCK-PZ

    • Villikinin

    Answer
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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

    Answer

    Maximum absorption of water occurs in

    • colon 

    • rectum

    • large intestine

    • small intestine

    Answer

    The layer of cells that secrete enamel of the tooth is

    • Dentoblast

    • Ameloblast

    • Osteoblast

    • Odontoblast

    Answer

    Kupffer cells are present in

    • liver

    • small intestine

    • pancreas

    • thyroid gland

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

    • Amphibia

    • Reptilia

    • Osteichthyes

    • Aves

    Answer
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