Carbohydrates

1. Which of the following statements in not true of carbohydrates?

• a. They are the main source of energy for the body;

• b. They are comprised of carbon, hydrogen and oxygen;

• c. Type of carbohydrates includes sugars, starches and fiber;

• d. Carbohydrates are typically found in meats, chicken and fish.

2. Monosaccharides and disaccharides are types of ___________________.

• a. Fiber

• b. Starches

• c. Sugars

• d. All of the above

3. Which of the following are examples of monosaccharides?

• a. Glucose

• b. Fructose

• c. Lactose

• d. a & b

4. Sucrose is an example of which type of sugar?

• Monosaccharides

• Disaccharides

• Oligosaccharides

• Polysaccharides

5. Lactose is made up of which two monosaccharides?

• a. Glucose and fructose

• b. Glucose and galactose

• c. glucose and glucose

• d. glucose and maltose

6. Which of the following statements about dietary fiber is not true?

• a. dietary fiber is found in fruits, vegetables, legumes and whole grains

• b. dietary fiber provides structure in plant cell walls

• c. dietary fiber is easily digested by digestive enzymes

• d. none of the above

7. Carbohydrates digestion starts on the ________________________.

• a. Stomach

• b. small intestine

• c. large intestine

• d. none of the above

8. What common sugar do lactose, maltose, corn syrup and high fructose corn syrup all share?

• a. sucrose

• b. glucose

• c. fructose

• d. none of the above

9. A monosaccharide consists of 6 carbons, one of which is in a ketone group, is classified as a(n)

• A. aldohexose D. ketopentose

• B. aldopentose

• C. ketohexose

• D. ketopentose

1. Which of the carbon atoms in are chiral carbon atoms?

• A. carbons 2 & 4

• B. carbons 2 ,3, & 4

• C. carbons 2 ,3, 4, & 5

• D. All carbons