The gum present in the raw mulberry silk fibre is

The gum present in the raw mulberry silk fibre is

Q. The gum present in the raw mulberry silk fibre is                                 

             (A) Sericin         (B) Fibroin                 (C) Keratin                (D) Casein

Ans: Sericin

Sol:

The outer layer of silk filament is a form of gum, or silk glue, called sericin. These two elements are present in the fibre in the proportion of about 75 parts fibroin to 25 parts Sericin.

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