Question
Explain the following: [2 MARKS]
a. Regenerated fibres
b. Reeling the silk
a. Regenerated fibres
b. Reeling the silk
Answer:
:
Explanation: 1 Mark each
a) Regenerated fibres: Thesefibres are made from extremely small cotton fibres or any other fibre source such as wood pulp, milk protein, etc. Chemicals are used to dissolve these and the solution is then converted into solid fibres. Examples are rayon, casein fibre (from milk) and soya bean fibre.
b) While obtaining silk from cocoon, firstly cocoons are boiled and then silk fibres areseparated out,using machines. Machine unwinds the silk thread from cocoons. This process by which silk fibre is obtained is called reeling of silk.
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:
Explanation: 1 Mark each
a) Regenerated fibres: Thesefibres are made from extremely small cotton fibres or any other fibre source such as wood pulp, milk protein, etc. Chemicals are used to dissolve these and the solution is then converted into solid fibres. Examples are rayon, casein fibre (from milk) and soya bean fibre.
b) While obtaining silk from cocoon, firstly cocoons are boiled and then silk fibres areseparated out,using machines. Machine unwinds the silk thread from cocoons. This process by which silk fibre is obtained is called reeling of silk.
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