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Fibre to Fabric — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceFibre to Fabric1 Mark
MCQ
What Do You Mean By “Raw Silk”?
  • A
    When the cocoons are kept under the sun or boiled or exposed to steam condition.
  • B
    When caterpillar just completed cover (itself) by protein fibres.
  • C
    When cocoons are dyed in beautiful colours after boiling process.
  • ✓
    None of the above.
✓

Answer

Correct option: D.
None of the above.

After brushing, filaments from four to eight cocoons are joined and twisted. About $48$ such twisted filament are joined to make a thread that is wound on a real. This is called “raw silk”.

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