The following points highlight the three important fibre yielding plants of India. It is cultivated during the rainy season. Question 3. In India, jute is mainly grown in West Bengal, Bihar and Assam. (a) True (b) False (c) False (d) True (e) True (f) False (g) False. 3. Jute" is the name of the plant or fiber used to make burlap, hessian or gunny cloth. g) Polyester is a natural fibre. Spinning is a process of making fibre. (a) cotton plants, jute plants (b) wool, silk… Fiber crops. Jute is one of the most affordable natural fibers, The jute fiber comes from the stem and ribbon (outer skin) of the jute plant. Fiber to Fabric 1. Silk fibres are obtained from the silkworms which spin the fibres to form a cocoon in the pupa stage. 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. c) Jute is the outer covering of coconut. The fibre plants are: 1. The fruits of the kapok tree contain fibres that are light and fluffy (like cotton). Fill in the blanks: (a) Plant fibres are obtained from_____ and_____ . 3. Fill in the blanks : a) Plant fibres are obtained from ___ and ___ b) Animal fibres are ___ and ___ Answers: a) Jute and cotton b) Silk … 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 fibre: Hemp fibre is obtained from the stem of Hemp: Hemp fibres are obtained from the stem of the hemp plant. Fibers: All cloth materials are made up of long, narrow, thin structures called fibers.Fibers are obtained from natural as well as manmade sources. Polyester is a natural fiber. When the fruit ripens, it bursts open, releasing the fibres. It is commonly used for stuffing cushions and mattresses, and for other purposes that require a soft, voluminous filling. The jute plant is normally harvested when it is at flowering stage. (Stem-skin fibers) Esparto, a fiber from a grass; Jute, widely used, it is the cheapest fiber after cotton Flax is also a plant that gives natural fibres. (b) Animal fibres are_____ and_____ . It is also obtained from the hair of rabbits, yak and camels. Silk fiber is obtained from the stem of a plant. Explanation: a)& b) Process of making yarn from fibres is called spinning. (e) Silk fibre is obtained from the stem of a plant. Hemp fiber is obtained from the stem of the plant. These fibres are light and fluffy. It grows easily to a height of 4 m without agrochemicals and captures large quantities of carbon. 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. Hemp is the bast fibre obtained from stems of Cannabis sativa L plants. f) Silk fibre is obtained from the stem of a plant. The stems rot and fibres are separated by hand. it is the longest and thinnest natural Silk cotton fibre: Silk cotton is a silky, fluffy fibre obtained from the fruit of the silk-cotton tree, also called kapok. e) Weaving of yarn makes a piece of fabric. Jute fibre is obtained from the stem of the jute plant (Fig 3.8). Silk cotton Silk cotton is obtained from kapok tree. (iii) Silk fibre is obtained from adult of silk moth. Silk cotton is used commonly used as stuffing in pillows, sleeping bags and life jackets. (f) Silk fibre is obtained from the stem of a plant. It is a synthetic fibre- artificially made Cotton and jute are examples of fibres obtained from plants. With 70% of cellulose, hemp is an excellent heat conductor, it absorbs dyes adequately, it blocks UV rays, it is very resistant to … (g) Polyester is a natural fibre. Jute fibre is obtained from the stem of the jute plant. Hemp fibre is obtained from the stems of hemp plant. Among microscopic tests and chemical tests, microscopic tests are mainly used for natural fibre. The fibres are obtained from the leaves and are bast fibres. Q.3. g) Polyester is a natural fibre. The fibers are first extracted by retting. Answer: (i) Jute Sack bags (ii) Ropes Q8: Name two items that are made from coconut fibre. The test identifies the natural fibres more easily as compared to manmade ones. SILK FIBRE silk is a natural fiber that can be woven into textiles. b) Spinning is a process of making fibres. Answer: 1 True, 2 False, 3 False, 4 True, 5 True, 6 False, 7 False (False) d) The process of removing seed from cotton is called ginning. One of the most relevant features of this plant is that it captures large quantities of carbon. Hemp Another important plant fibre is hemp. Jute is a long, soft, shiny bast fiber that can be spun into coarse, strong threads. Jute fibre is obtained from the stem of the jute plant. Jute fibre is obtained from the stem of the jute plant. Hemp: Hemp fibres are obtained from the stem of the hemp plant. Man made sources:Polyester, nylon, rayon etc. 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. 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. SOLUTION: Ropes and doormats are made from coconut fibre. The stems rot and fibres are Many plant fibres are produced as field crops. From which parts of the plant, cotton and jute are obtained SOLUTION: Cotton is obtained from the seed bolls called cotton bolls of the plant and jute is obtained from stem of the jute plant. f) Silk fibre is obtained from the stem of the plant. Ans. Silk fibre is obtained at which of the following stage of its life cycle? 2. Wool and silk fibres are obtained from animals. The process of removing seed from cotton is called ginning. Answer: a) Yarn is made from fibres. are obtained from natural sources plants or materials. Question 4 From which parts of the plant cotton and jute are obtained? b) Animals fibres are silk and wool. B) Grape leaves done clear. Synthetic fibres are very similar in appearance and the increase in the number of varieties makes it a little tough to distinguish the fibres even under a microscope. Weaving of yarn makes a piece of fabric. d) The process of removing seed from cotton is called ginning. Yarn is made from fibre. c) We get jute fibres from the outer layer of a stem of the jute plant. Bast fibers. (ii) Fruit of cotton plant is about the size of lemon. DIRECTIONS: Read the following three statements carefully and choose the correct option. Lastly, surface fibers are harvested through ginning which is where a machine removes the fibers from other plant material. The stems of the harvested plants are immersed in water for a few days. (g) Polyester is a natural fibre. Though flax has lost some of its value as a commercial fiber crop, flaxseed has grown in popularity as a health food. C) done clear. The fruits of this tree contain fibres. Except for silk, all natural cellulose- and protein-based fibers are obtained in short lengths and are called staple fibers. (A) stem, seed (B) wool, silk Q 4. (False) c) Jute is the outer covering of coconut. This fiber is bio-degradable and hence eco-friendly. 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. A) Eucalyptus leaves done clear. Question 5 Name two items that are made from coconut fibre. B) done clear. List of Plant Fibers. The stems of the harvested plants are immersed in water for a few days. Wool is obtained from the fleece of sheep or goat. Q7: Name two items that are made from Jute fibre. Silk is a continuous filament fiber. 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. Typically, banana plants produce about 30 leaves as long as 2 m and 30–60 cm wide [07Bil]. The most important components of fibres are cellulose (77%), pectin (1.4%) and waxes (1.4%). Fibers obtained from banana leaves had about 26 % cellulose, 17 % hemicellulose, and 25 % lignin, but the fiber properties are not reported [07Bil]. When the fruit ripens, it bursts open, releasing the fibres. Answers: a) – True, b) – False, c) – False, d) – True e) – True, f) – False, g) – False. It is cultivated during the rainy season. This fibre is obtained from the silk cotton tree, also called kapok. C) Mulberry leaves done clear. Some examples of the plant fibres are given below: 1. (e) Silk fibre is obtained from the stem of a plant. Q 5. Jute is the outer covering of coconut. Answer: Cotton is obtained from the fruits of the cotton plant, called cotton balls. g) False, polyester is not a natural fibre. It has good absorbency, low conductivity and dyes easily. Answer: Ropes and jute bags. In addition to the stems, fibers have also been obtained from the leaves of the banana plant. 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 Cotton is a soft fibre that is obtained from cotton plants and grows as a boll. Silk moth feeds on which plant leaves? Items made from coir (coconut fibre) are: (i) Coir Mattresses (ii) Mats (iii) Baskets (True) b) Spinning is a process of making fibres. are manmade material used for making clothes. 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. " Name two items that are made from coconut fibre. This fibre is obtained from the silk cotton tree, also called kapok. Answer: a) True b) False c) False d) True e) True f) False g) False. In woven silk, the fibre's triangular structure acts as a prism that refracts light, giving silk cloth its highly prized "natural shimmer". (i) The process of making yam from fibre is called weaving. Ramie, fiber plants grow along Chang Jiang river, edible with anti bacteria function. Plants including cotton, jute, flax and hemp are used to obtain plant fibres. Cotton. f) False, silk fibre is not obtained from the stem of a plant. The jute plant is normally harvested when it is at flowering stage. 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. A) done clear. In India, jute is mainly grown in West Bengal, Bihar and Assam. 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… Silk fibre is drawn from the cocoon of silkworm. Ans. Silk fibres are obtained from silkworms. f) Silk fibre is obtained from the stem of a plant g) Polyester is a natural fibre. Concept insight: Silk fibre is obtained from the cocoon of a silk moth. The fruits of the kapok tree contain fibres that are light and fluffy (like cotton). 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