BIOLOGY-Chapter 13

1. A chemical substance required for the life and growth of an organism.

• A. carbohydrates
• B. nutrient
• C. fats
• D. protein

2. A class of compounds containing long hydrocarbon chains that are bonded to a glycerin molecule

• A. carbohydrates
• B. nutrient
• C. fats
• D. protein

3. It is the amount of energy consumed by the body in a given time period.

• A. Calorie
• B. obesity
• C. metabolic rate
• D. undernourishment

4. A condition in which too much of a body’s weight is stored as fat.

• A. Calorie
• B. obesity
• C. metabolic rate
• D. undernourishment

5. The process of breaking down food into usable molecules.

• A. liver
• B. ulcer
• C. digestion
• D. esophagus

6. The muscle tube connecting the mouth and stomach.

• A. liver
• B. ulcer
• C. digestion
• D. esophagus

7.Good sources of starch include all of the following except:

• a. pasta
• b. bread
• C. corn oil
• d. potatoes

8. Vitamins are __________.

• a. inorganic nutrients
• b. required in large amounts each day
• c. made in the body
• d. needed for enzymes to work properly

9. According to the USDA Food Guide Pyramid, most of your food should consist of _________.

• a. grains
• b. meat
• c. milk products
• d. sugary foods

10. If vegetarians eat no animal products at all, they must take supplements to obtain enough ___________.

• a. vitamin C
• b. vitamin B12
• c. calcium
• d. protein