National Academy of Sports Medicine (NASM) Certified Personal Trainer (CPT) Practice Exam

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What sugar, known as fruit sugar, is predominantly found in fruits, honey, and syrups?

  1. Galactose

  2. Sucrose

  3. Lactose

  4. Fructose

The correct answer is: Fructose

Fructose is the sugar that is predominantly found in fruits, honey, and various syrups, which is why it is commonly referred to as fruit sugar. It is a simple sugar, or monosaccharide, that is sweeter than glucose and is naturally occurring in many plants. The sweetness and the natural presence of fructose in foods contribute to the appeal of fruits, making them a popular choice for their taste and the nutritional benefits they provide. While galactose is found in dairy products, sucrose is a disaccharide composed of glucose and fructose that is commonly known as table sugar, and lactose is the sugar present in milk. These other sugars do not share the same predominance in fruits or the same classification as "fruit sugar" as fructose does. Therefore, fructose stands out as the correct answer for its association with fruits, highlighting its unique role in nutrition and dietary sources.