Silk is the first artificial fibre synthesized by human beings.
True
False
A
True
B
False
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Solution
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Silk is a natural protein fibre, some forms of which can be woven into textiles. It is obtained from the cocoon of the silkworms.
Rayon is the first fibre synthesised by human beings. It's called a semi-synthetic fibre.
Therefore, option B is correct.
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