BOTANY

Detailed explanation-1: -Plant fibres include seed hairs, such as cotton; stem (or bast) fibres, such as flax and hemp; leaf fibres, such as sisal; and husk fibres, such as coconut. Animal fibres include wool, hair and secretions, such as silk.

Detailed explanation-2: -There are two general categories of natural fibers: animal-based or plant-based. Animal-based natural fibers include silk and wool, while plant-based natural fibers include cotton, linen, and jute.

Detailed explanation-3: -Natural fibers may be classified into three main categories that are plant fibers, animal fibers, and mineral fibers (Rajak et al., 2019; Chandramohan and Marimuthu, 2011; Ramamoorthy et al., 2015). Fibers obtained from plant, vegetables or animal sources are the dominant natural fibers used.

Detailed explanation-4: -The correct option is A True Wool is a natural fibre.

Detailed explanation-5: -The natural fibres are further classified into: Plant fibre. Animal fibre. Mineral fibre.