Question

the indigestible portion of food delivered from plants. also called roughage. a. dietary fibre b. frozen foods c. wilted d. protein

Explanation:

Dietary fibre is the indigestible part of plant - derived food and is also known as roughage. Frozen foods are preserved by freezing, wilted refers to a state of plants losing turgor, and protein is a different nutrient.

Answer:

A. dietary fibre