View Answer. Silkworms secrete fibre made of (a) fat (b) cellulose (c) protein (d) nylon Answer: (c) Silk protein consists of sericin and fibroin mainly. Silkworm secrete fibre made up of: HARD. 10. Silk fiber has a triangular prism-like structure which allows silk cloth to refract incoming light at different angles and with that to produce different colors. The secret to silk production is the tiny creature known as the silkworm, which is the caterpillar of the silk moth Bombyx mori. (a) _____ and _____ fibres are obtained from animals. (d) the process of taking silk threads from cocoon. The larvae of the mulberry silkworms produce the most popular mulberry silk. The most lustrous fabric of all times, silk, is a natural fibre like cotton and wool. (c) making silk fabric from silk yarn. Nylon is a synthetic fibre. Sericulture, the process of harvesting silkworms and producing silk fibers, began in China around 3,000 B.C. Thus, the fabric is a natural animal fibre. Silk is a natural protein fiber produced by mulberry silkworm which is used for textile manufacturing. EASY. Fat and cellulose are not present in silk. Silk is produced by rearing silkworms in captivity. Very Short Answer Type Questions. (c) weaving of silk cloth. Silkworms secrete fibre made of (a) fat (b) cellulose (c) protein (d) nylon Answer: (c) Silk protein consists of sericin and fibroin mainly. (d) the process of taking silk threads from cocoon. Fill in the blanks in the following statements. (d) production of sarees. The silkmoth further develops in … Silkworms secrete fibre made of … (c) making silk fabric from silk yarn. (b) spinning of silk fibres. 10. (b) spinning of silk fibres. Fat and cellulose are not present in silk. During all these times they secrete fibre made up of protein which when comes in contact of air and it hardens to become a silk fibre. View Answer. Only one other species of moth, the Antheraea mylitta, also produces silk fiber. History of Silk Fabric. Solution: (c) Salivary gland of the silkworm secretes fibre made up of protein sericin and fibroin. For many years, the Chinese kept the secrets of silk production to themselves, even as the silk trade spread across the globe. Nylon is a synthetic fibre. Fat and cellulose are not present in silk. Question 11. During this time, removing silkworm eggs or cocoons from China was punishable by death. Silk is obtained from Bombyx mori’s cocoon, a type of silkworm. Reeling of silk is (a) a process of making silk reels. After this, the caterpillar completely covers itself by the fibre and turns into pupa. (b) rearing of silkworm. Question 11: Fill in the blanks in … (b) rearing of silkworm. 9. Silk protein consists of sericin and fibroin mainly. fat; cellulose; protein; nylon; Answer. Question 11: Fill in the blanks in … (c) weaving of silk cloth. Silk is the first artificial fibre synthesized by human beings. (d) production of sarees. 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