Milk marketed as low-fat milk has no more than _______ percent milk fat.

Milk marketed as low-fat milk can contain a maximum of 2.0 percent milk fat according to the standards set by the Food and Drug Administration (FDA). This classification helps consumers differentiate between various types of milk based on their fat content. Low-fat milk provides a balance for those who want to reduce their fat intake while still enjoying milk's benefits.

The other percentages listed in the choices do not align with the definition of low-fat milk. For instance, 1.0 percent may be more closely categorized as skim or non-fat, while 3.5 percent and 4.0 percent are typically associated with whole milk.