Four of the Following Fabrics are Made from Angiosperms

Question

Four of the following fabrics are made from angiosperms.Which one is the exception?  
A) Silk
B) Burlap
C) Linen
D) Ramie
E) Hemp

Accepted Answer

Silk is not made from angiosperms, but is produced by silkworms which are not angiosperms but insects. The other fabrics listed - burlap, linen, ramie, and hemp - are all made from fibers derived from plants that are angiosperms.