Which of the following is not a man-made fibre?
Nylon
Dacron
Acrylic
silk
Silk is a natural fibre obtained from the cocoons of the silkworms. All of the other given options: Nylon, Dacron and Acrylic are man-made fibres.
Classify the following fibres into natural and man-made: cotton, nylon, jute, wool, silk, rayon, polyester?
Name the man-made fibre which is regarded as artifical silk.