By Gwen Schoen

SACRAMENTO, Calif. -- Low-fat, skim, whole, 1 percent. When it comes to milk, there's a lot to choose from. How much do you know about the milk in the dairy case? Here's a quiz:

              1. Whole milk has at least 3.25 percent milk fat.

              True or false?

              2. Fat-free, nonfat or skim milk has less than .5 percent milk fat.

              True or false?

              3. Lactose-free milk is 100 percent lactose-free.

              True or false?

              4. Eggnog has no real milk in it.

              True or false?

              5. Acidophilus milk is a fermented dairy food made from 1 percent low-fat or fat-free milk.

              True or false?

              6. Chocolate milk is made with whole milk.

              True or false?

              7. Cultured buttermilk is made by adding butter to regular milk.

              True or false?

              8. The nutrient content of whole, reduced-fat, 1 percent, low-fat and fat-free milk is about the same. The only real difference is fat and calories.

              True or false?

              Answers: 1) True; 2) True; 3) True; 4) False. Eggnog is made with a blend of milk, eggs, sugar, cream and flavorings. 5) True; 6) True, but can also be made with fat-free or low-fat milk. 7) False. It is made by adding friendly bacteria cultures to milk. 8) True

              Source: American Dietetic Association Complete Food and Nutrition Guide, by Roberta Larson Duyff (John Wiley & Sons, Inc., .95, 676 pages). (NYT)