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