The correct options are
B Jute fibre is obtained from sheep.
C Silk fibre is obtained from the stem of the plant.
Fibres are thread-like structures and strands of fibres combine to form the fabric.
Jute fibre is obtained from the stem of the jute plant. Moreover, wool is obtained from sheep and silk fibre is obtained from silkworms.
Jute, wool and silk are natural fibres as they are either produced from plants or animals.