70 Nylon is a natural fibre.
Natural fibre: The fibres of fabrics such as cotton, wool, jute, and silk obtained from plants and animals are termed natural fibres.
Synthetic fibre: Fibres are made of chemical substances, which are not obtained from plants or animal sources. Example: Nylon, Polyester.
Thus, Nylon is not a natural fibre, it is a synthetic fibre.
Final answer: The given statement is false