Which of the following is an example of a non-cellulosic fibre?

Correct Answer: D. Nylon

Explanation: Based on Chemical Composition Cellulosic fibres (carbohydrate-based, from plants or regenerated): Natural Cotton, Jute, Flax, Hemp, Coir. Man-made Rayon, Lyocell, Acetate. Non-cellulosic fibres : Animal origin (protein-based): Wool (keratin), Silk (fibroin). Synthetic origin (petrochemical-based): Nylon, Polyester, Acrylic.