Which one among the following is known as 'animal starch'?

  1. Cellulose
  2. Glucose
  3. Glycogen
  4. Pectin

Answer (Detailed Solution Below)

Option 3 : Glycogen
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Detailed Solution

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  • In animals, the structurally similar glucose polymer is the more densely branched glycogen, which is called "animal starch".
  • Starch obtained by animals from plants is stored in the animal body as glycogen.
  • Digestion processes in both plants and animals convert starch to glucose, which is the main source of energy.
  • The primary reserve of the animal kingdom is polysaccharide. It is found in the muscles, livers cells of animals, Because of its close relationship to starch, it is commonly called animal starch.
  • Glycogen is a non-reducing, white, inconsistent polysaccharide that dissolves easily in cold water.
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