The correct option is C Natural fibre - Jute, Synthetic fibre - Nylon
Natural fibres are obtained from natural sources, that is plants and animals.
Examples:
1. Cotton is obtained from the fruits of cotton plant.
2. Jute is obtained from the stem of jute plant.
3. Silk is obtained from the cocoons of silkworm.
Synthetic fibres are man-made fibres prepared in laboratories by various chemical derived from petroleum. Examples: Nylon, polyester, etc.