Digestion and Absorption

Multiple Choice Questions

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Digestion' word means

  • burning of food

  • oxidation of food

  • hydrolysis of food

  • oxidation of food

C.

hydrolysis of food

Digestion is a process in which non-diffusible foods are converted into diffusible foods with the help of digestive enzymes. Digestion is mostly carried out by the process of hydrolysis using water molecules for the cleavage. The enzymes which bring about digestion are called hydrolases.

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    Oxyntic cells secrete

    • HCl

    • Trypsin

    • NaOH

    • Pepsinogen

    Answer

    The layer of cells that secrete enamel of the tooth is

    • Dentoblast

    • Ameloblast

    • Osteoblast

    • Odontoblast

    Answer

    Which of the following hormone stimulates the gastric secretion

    • Enterogastrone

    •  Gastrin

    • CCK-PZ

    • Villikinin

    Answer

    Maximum absorption of water occurs in

    • colon 

    • rectum

    • large intestine

    • small intestine

    Answer
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    Secretion of pancreatic juice is stimulated by

    • gastrin

    • secretin

    • enterogasteron

    • enterokinase

    Answer

    Kupffer cells are present in

    • liver

    • small intestine

    • pancreas

    • thyroid gland

    Answer

    Vitamin-B12 is absorbed primarily in the

    • Stomach

    • Duodenum

    • Jejunum

    • ileum

    Answer

    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
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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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