4. Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. Q1. It is not a natural fibre… Because silk is made up of continuous filaments rather than staple fibres, it is one of the strongest natural fibre fabrics. (b) False. Vegetable fiber, strong, tough, flexible, moisture absorbent, not shape retentive. 7. Synthetic fibres shrink a lot when washed. 15. Silk: B. A. Viscose is probably the most misunderstood of all fibres, manmade or natural. 8. There are two general categories of natural fibers: animal-based or plant-based. Fibres can weaken when wet; 5. 6. Silk filaments are extruded by the larvae of moths and are used to spin their cocoons.. With the exception of mineral fibres, all natural fibres have an affinity for water in both liquid and vapour form. Since silk is an animal fibre obtained from silkworms. Polyester is the strongest synthetic fibre. Dress shields should be worn to protect the underarms of silk dresses. 2. Question is ⇒ Which of the following is not a natural fibre?, Options are ⇒ (A) Silk, (B) Viscose rayon, (C) Wool, (D) Cotton, (E) , Leave your comments or Download question paper. It is a natural silk and is an animal fibre. Animal-based natural fibers include silk and wool, while plant-based natural fibers include cotton, linen, and jute. It has good absorbency, low conductivity and dyes easily. The animal fibres consist exclusively of proteins and, with the exception of silk, constitute the fur or hair that serves as the protective epidermal covering of animals. Terylene is a common variety of polyester. Flax fibres are very durable making linen twice as strong as cotton and 3 times stonger than wool. Cellulose. When a fabric is not labelled as “natural” then consumers can judge it harshly, without any true understanding of the fabric. (a) False. Which of the following is not a natural fibre? Rayon is a natural fibre. Artificial silk is another name for silk. The raw, natural materials are spun into threads and yarns that are then woven or knit into natural fabrics. Silk: It's filament is a continuous thread of great tensile strength measuring from 500 to 1 500 metres in length, with a diameter of 10-13 microns. 6-january-1947: all india congress committee accepted the division of the country. Question: Four different types of fibres are given to us. Previous question Next question. Since jute is obtained from the stem of a plant. In woven silk, the fibre's triangular structure acts as a prism that refracts light, giving silk cloth its highly prized "natural shimmer". Does not melt, but should be pressed with a press cloth. Follow Permanent Care Label Instructions. Because sunlight damages silk, especially that which has been heavily weighted, it is not a good fiber for drapery fabrics unless the draperies are lined. Classification of natural fibers. Read more.. towards. 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