View Answer. (c) weaving of silk cloth. Sericulture, the process of harvesting silkworms and producing silk fibers, began in China around 3,000 B.C. (b) rearing of silkworm. View Answer. 9. Reeling of silk is (a) a process of making silk reels. 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. Fat and cellulose are not present in silk. The correct option is C. (d) production of sarees. This covering is known as the cocoon. Fat and cellulose are not present in silk. Nylon is a synthetic fibre. During this time, removing silkworm eggs or cocoons from China was punishable by death. History of Silk Fabric. It feeds solely on the leaves of mulberry trees. Silk is a natural protein fiber produced by mulberry silkworm which is used for textile manufacturing. (c) making silk fabric from silk yarn. (c) weaving of silk cloth. The most lustrous fabric of all times, silk, is a natural fibre like cotton and wool. 10. Question 11: Fill in the blanks in … 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. 9. Only one other species of moth, the Antheraea mylitta, also produces silk fiber. (b) spinning of silk fibres. Nylon is a synthetic fibre. (d) production of sarees. Silkworms secrete fibre made of (a) fat (b) cellulose (c) protein (d) nylon Answer: (c) Silk protein consists of sericin and fibroin mainly. (b) rearing of silkworm. Fill in the blanks in the following statements. Very Short Answer Type Questions. Silk is produced by rearing silkworms in captivity. Silkworms secrete fibre made of (a) fat (b) cellulose (c) protein (d) nylon. Question 11. fat; cellulose; protein; nylon; Answer. Very Short Answer Type Questions. Silk is the first artificial fibre synthesized by human beings. EASY. (b) spinning of silk fibres. Very Short Answer Type Questions. (c) making silk fabric from silk yarn. (d) the process of taking silk threads from cocoon. Silk protein consists of sericin and fibroin mainly. Silkworm secrete fibre made up of: HARD. Silkworms secrete fibre made of … Nylon is a synthetic fibre. After this, the caterpillar completely covers itself by the fibre and turns into pupa. Question 11: Fill in the blanks in … The secret to silk production is the tiny creature known as the silkworm, which is the caterpillar of the silk moth Bombyx mori. 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. Fat and cellulose are not present in silk. Thus, the fabric is a natural animal fibre. 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