Though flax has lost some of its value as a commercial fiber crop, flaxseed has grown in popularity as a health food. Jute fibre is obtained from the stem of the jute plant. (b) Animal fibres are_____ and_____ . g) Polyester is a natural fibre. List of Plant Fibers. Flax, plant of the family Linaceae, cultivated both for its fiber, from which linen is made, and for its nutritious seeds, from which linseed oil is obtained. In woven silk, the fibre's triangular structure acts as a prism that refracts light, giving silk cloth its highly prized "natural shimmer". Silk is a continuous filament fiber. Q.3. Hemp Another important plant fibre is hemp. The process used for making plant fibre from the stem of a plant by keeping them in a stgnant water for few days is called retting. It is cultivated during the rainy season. (a) True (b) False (c) False (d) True (e) True (f) False (g) False. Hemp fibre is obtained from the stems of hemp plant. The fruits of the kapok tree contain fibres that are light and fluffy (like cotton). Except for silk, all natural cellulose- and protein-based fibers are obtained in short lengths and are called staple fibers. SILK FIBRE silk is a natural fiber that can be woven into textiles. Silk cotton fibre: Silk cotton is a silky, fluffy fibre obtained from the fruit of the silk-cotton tree, also called kapok. Hemp is the bast fibre obtained from stems of Cannabis sativa L plants. The following points highlight the three important fibre yielding plants of India. One of the most relevant features of this plant is that it captures large quantities of carbon. Silk cotton Silk cotton is obtained from kapok tree. 3. Fibers obtained from banana leaves had about 26 % cellulose, 17 % hemicellulose, and 25 % lignin, but the fiber properties are not reported [07Bil]. Plants including cotton, jute, flax and hemp are used to obtain plant fibres. Ramie, fiber plants grow along Chang Jiang river, edible with anti bacteria function. A) Eucalyptus leaves done clear. Answer: Ropes and jute bags. Question 5 Name two items that are made from coconut fibre. Man made sources:Polyester, nylon, rayon etc. it is the longest and thinnest natural Answers: a) – True, b) – False, c) – False, d) – True e) – True, f) – False, g) – False. Typically, banana plants produce about 30 leaves as long as 2 m and 30–60 cm wide [07Bil]. Yarn is made from fibre. Hemp: Hemp fibres are obtained from the stem of the hemp plant. The stems rot and fibres are (e) Silk fibre is obtained from the stem of a plant. Silk fibre is drawn from the cocoon of silkworm. (Stem-skin fibers) Esparto, a fiber from a grass; Jute, widely used, it is the cheapest fiber after cotton Silk moth feeds on which plant leaves? b) Animals fibres are silk and wool. Cotton. Jute fibre is obtained from the stem of the jute plant (Fig 3.8). The fibers are first extracted by retting. The fruits of this tree contain fibres. The stems rot and fibres are separated by hand. With 70% of cellulose, hemp is an excellent heat conductor, it absorbs dyes adequately, it blocks UV rays, it is very resistant to … The fibres are obtained from the leaves and are bast fibres. Q 5. The fibre plants are: 1. Natural sources: Cotton, jute, silk, wool etc. Some examples of the plant fibres are given below: 1. When the fruit ripens, it bursts open, releasing the fibres. g) Polyester is a natural fibre. B) Grape leaves done clear. (a) cotton plants, jute plants (b) wool, silk… are obtained from natural sources plants or materials. Cotton and jute are examples of fibres obtained from plants. f) False, silk fibre is not obtained from the stem of a plant. This fibre is obtained from the silk cotton tree, also called kapok. Plants are dioecious, and yield three products namely bast fibre from its stem, oil from its seeds, and narcotics (Bhaang, Charas and Ganja) from its leaves and flowers. In India, jute is mainly grown in West Bengal, Bihar and Assam. Silk fiber is obtained from the stem of a plant. Silk fibres are obtained from the silkworms which spin the fibres to form a cocoon in the pupa stage. Silk is a natural protein fiber, some forms of which can be woven into textiles.The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Ans. C) Mulberry leaves done clear. b) Spinning is a process of making fibres. The stems of the harvested plants are immersed in water for a few days. Question 4 From which parts of the plant cotton and jute are obtained? (False) d) The process of removing seed from cotton is called ginning. The jute plant is normally harvested when it is at flowering stage. The most important components of fibres are cellulose (77%), pectin (1.4%) and waxes (1.4%). f) Silk fibre is obtained from the stem of the plant. Flax is also a plant that gives natural fibres. Jute is the outer covering of coconut. Weaving of yarn makes a piece of fabric. (True) b) Spinning is a process of making fibres. Jute fibre is obtained from the stem of the jute plant. (i) The process of making yam from fibre is called weaving. (False) c) Jute is the outer covering of coconut. The process of removing seed from cotton is called ginning. Q7: Name two items that are made from Jute fibre. The fibre is long, strong and durable but lacks flexibility and elasticity, and is used for the manufacture of ropes, twine, carpets, bags, nets, etc. Hemp fiber is obtained from the stem of the plant. It is also obtained from the hair of rabbits, yak and camels. Bast fibre, soft, woody fibre obtained from stems of dicotyledonous plants (flowering plants with net-veined leaves) and used for textiles and cordage.Such fibres, usually characterized by fineness and flexibility, are also known as “soft” fibres, distinguishing them from the coarser, less flexible fibres of the leaf, or “hard,” fibre… Explanation: a)& b) Process of making yarn from fibres is called spinning. Among microscopic tests and chemical tests, microscopic tests are mainly used for natural fibre. e) Weaving of yarn makes a piece of fabric. The best fiber of banana extract is from the bark of banana tree that is easily procured. The stems of the harvested plants are immersed in water for a few days. When the fruit ripens, it bursts open, releasing the fibres. A) done clear. It is produced from flowering plants in the genus Corchorus, which is in the mallow family Malvaceae.The primary source of the fiber is Corchorus olitorius, but it is considered inferior to Corchorus capsularis. " The jute plant is normally harvested when it is at flowering stage. Jute is a long, soft, shiny bast fiber that can be spun into coarse, strong threads. 2. In India, jute is mainly grown in West Bengal, Bihar and Assam. (A) stem, seed (B) wool, silk Q 4. (iii) Silk fibre is obtained from adult of silk moth. It is a synthetic fibre- artificially made g) False, polyester is not a natural fibre. Polyester is a natural fiber. (g) Polyester is a natural fibre. SOLUTION: Ropes and doormats are made from coconut fibre. A class name for various genera of fibers (including filaments) of: (1) animal (i.e.,silk fiber, wool fiber) (2) mineral (i.e., asbestos fiber) or The fibres are obtained from the stem of the banana plant after the fruit is ... what was earlier considered to be agricultural waste is now used to produce good quality silk-like fibre yarn. The test identifies the natural fibres more easily as compared to manmade ones. f) Silk fibre is obtained from the stem of a plant g) Polyester is a natural fibre. D) In addition to the stems, fibers have also been obtained from the leaves of the banana plant. c) Jute is the outer covering of coconut. It is cultivated during the rainy season. are manmade material used for making clothes. Jute is one of the most affordable natural fibers, The jute fiber comes from the stem and ribbon (outer skin) of the jute plant. Hemp fibre: Hemp fibre is obtained from the stem of Wool and silk fibres are obtained from animals. Jute" is the name of the plant or fiber used to make burlap, hessian or gunny cloth. It grows easily to a height of 4 m without agrochemicals and captures large quantities of carbon. (ii) Fruit of cotton plant is about the size of lemon. Fiber to Fabric 1. Silk fibres are obtained from silkworms. Answer: a) Yarn is made from fibres. Many plant fibres are produced as field crops. Answer: Cotton is obtained from the fruits of the cotton plant, called cotton balls. d) The process of removing seed from cotton is called ginning. Spinning is a process of making fibre. Question 3. 3. Lastly, surface fibers are harvested through ginning which is where a machine removes the fibers from other plant material. Silk cotton is used commonly used as stuffing in pillows, sleeping bags and life jackets. The Process of making the fibre (Kijōka-bashōfu or Banana cloth) Banana fiber harvested from the pseudostems and leaves of the plant have been used for textiles in Asia since at least the 13th century. C) done clear. Fill in the blanks : a) Plant fibres are obtained from ___ and ___ b) Animal fibres are ___ and ___ Answers: a) Jute and cotton b) Silk … Name two items that are made from coconut fibre. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False Ans. Answer: a) True b) False c) False d) True e) True f) False g) False. It is commonly used for stuffing cushions and mattresses, and for other purposes that require a soft, voluminous filling. It is obtained from the cocoon of the silkworm larva, in the process known as sericulture properties it’s a fine continuous strand unwound from the cocoon of a moth caterpillar known as the silkworm. Concept insight: Silk fibre is obtained from the cocoon of a silk moth. f) Silk fibre is obtained from the stem of a plant. These fibres are light and fluffy. Fiber crops. (g) Polyester is a natural fibre. It has good absorbency, low conductivity and dyes easily. Wool is obtained from the fleece of sheep or goat. 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