Biology
Grade-7
Easy

Question

Which of the following is a lengthy chain of sugar?

  1. Simple carbohydrates
  2. Complex carbohydrates 
  3. Equal carbohydrates
  4. Unequal carbohydrates 

hintHint:

A complex sugar refers to polysaccharides.

The correct answer is: Complex carbohydrates


    • Carbohydrates are classified as follows based on the number of sugar units present:
    1. Monosaccharides: Contains a single unit of sugar that cannot be hydrolyzed. Example: glucose
    2. Disaccharides: Contains two sugar units joined by a glycoside bond. Example: Sucrose
    3. Polysaccharide: Contains multiple units of sugar units joined by glycoside bonds in the form of long chains which is branched. Example: Starch
    • Starch contains multiple units of amylose and amylopectin which are highly branched. This is an example of complex sugar.

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