5
Question
Which of the following is not a plant fibre?
Which of the following is not a plant fibre?
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Solution
The correct option is D Silk
Silk is a natural protein fibre, obtained by the rearing of silkworms. It is commonly woven to form textiles. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). The protein fibre of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which allows silk cloth to refract incoming light at different angles, thus, producing different colours. cotton, coir and sunn hemp are plant fibres.
Thus, the correct answer is option D.
Silk is a natural protein fibre, obtained by the rearing of silkworms. It is commonly woven to form textiles. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). The protein fibre of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
The shimmering appearance of silk is due to the triangular prism-like structure of the silk fibre, which allows silk cloth to refract incoming light at different angles, thus, producing different colours. cotton, coir and sunn hemp are plant fibres.
Thus, the correct answer is option D.
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