Digestion and Absorption

Multiple Choice Questions

Advertisement
Zigya App

The layer of cells that secrete enamel of the tooth is

  • Dentoblast

  • Ameloblast

  • Osteoblast

  • Odontoblast

D.

Odontoblast

The pulp cavity contains a mass of dense but soft connective tissue which is called pulp. A single layer of odontoblast cells lines the pulp cavity. These cells secrete enamel, which is a bluish-white shiny translucent and the hardest substance of the body.

  • Switch
    • Advertisement

    Digestion' word means

    • burning of food

    • oxidation of food

    • hydrolysis of food

    • oxidation of food

    Answer

    Maximum absorption of water occurs in

    • colon 

    • rectum

    • large intestine

    • small intestine

    Answer

    Oxyntic cells secrete

    • HCl

    • Trypsin

    • NaOH

    • Pepsinogen

    Answer

    Kupffer cells are present in

    • liver

    • small intestine

    • pancreas

    • thyroid gland

    Answer
    Advertisement

    Secretion of pancreatic juice is stimulated by

    • gastrin

    • secretin

    • enterogasteron

    • enterokinase

    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

    Vitamin-B12 is absorbed primarily in the

    • Stomach

    • Duodenum

    • Jejunum

    • ileum

    Answer

    Which of the following hormone stimulates the gastric secretion

    • Enterogastrone

    •  Gastrin

    • CCK-PZ

    • Villikinin

    Answer
    Advertisement
    <

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

    • Amphibia

    • Reptilia

    • Osteichthyes

    • Aves

    Answer
    Advertisement