Biology
Grade-7
Easy
Question
Which of the following is a lengthy chain of sugar?
- Simple carbohydrates
- Complex carbohydrates
- Equal carbohydrates
- Unequal carbohydrates
Hint:
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:
- Monosaccharides: Contains a single unit of sugar that cannot be hydrolyzed. Example: glucose
- Disaccharides: Contains two sugar units joined by a glycoside bond. Example: Sucrose
- 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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