True or false? But we get jute fibres from the stem of the jute plant not from the jute flowers. a. Individual jute fibres are known to be soft, long, and shiny in nature. Phloem is a heterogeneous tissue composed of fibres, companion cells, parenchyma and sieve tubes. State the following statement are true or false Are all fibres produced by plants? Give two example of unstitched garments ___ and ___ Notify me of follow-up comments by email. (a) nylon b. Sheep 3. However, smoothness is not a property of jute. Advantages of silk over cotton are as follows: Fibres are made from melted plastic by passing it through fine holes in a spinneret. b) Animal fibres are ___ and ___ To obtain silk, silkworm cocoons are boiled in hot water to kill the silkworm. Answer: Ropes and jute bags. 300+ SHARES. The process of boiling cocoons of silkworms is considered as being cruel by animal rights activists. Answer: a) Yarn is made from fibres. Chickens and Pigs are killed to sell their flesh in the market. The process of Retting is done to obtain . 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. " Jute" is the name of the plant or fiber used to … Q. The fibres are then separated from the stem in long strands and washed in clear, running water. (d) strength. The absorbed sweat then evaporates from the clothing and cools down the wearer in hot and humid weather. All Living Science 2019 2020 Solutions for class Class 6 Science are prepared by experts and are 100% accurate. Answer. Wool is fluffy and it traps most of the air which enables wool to act as an insulator. Jute fibre is a type of plant fibre which is widely known for its ability to be spun into strong and coarse threads. These MCQ Questions on Synthetic Fibres and Plastics Class 8 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. You will also love the ad-free experience on Meritnation’s Living Science 2019 2020 Solutions. Retting: Jute fibre is obtained from the stalks of the jute plant. Answers: Which of these fibres is non – biodegradable To grow best, cotton requires ___________ rainfall. Transportation: Post shearing, the wool is packed into bales and transported to the mills. Nylon is incapable of absorbing water. The process of making woollen fabric from fibre. Why then is it not used to make cloth? The dried fibres are then collected and bundled to be sent to the mills to be processed into fabric, ropes, gunny sacks etc. Question 10. 1. In other words, cotton cloth can breathe freely. Following are the uses of jute: d. The process of removing seeds from cotton What do you mean by shearing. Answer: Jute fibre is obtained from jute plant by the following steps: Wearing many layers of cotton clothes will keep you as warm in winter as wearing a thick woollen sweater. Preview (10 questions) Show answers. I have even seen bast fibers derived from corn leaves and stalks. They support the conductive cells of the phloem and provide strength to the stem. Question 5. Answer: (c) False; Jute fibre is obtained from the stem of jute plant. Cotton is a warm season crop that needs moderate rainfall. Cotton grows best in the ___________ soil of south India or the ___________ soil of north India. This is the reason why burning of wool smells like the burning of hair. c. Pisciculture (i) Cotton Question 2. The devices on which weaving of fabrics take place are called looms The looms are either hand operated or power operated. a. Camel 6. (True) f) Silk fibre is obtained from the stem of a plant. Fabrics are made from yarns. Nylon is a synthetic fibre. Answer: Why? (c) leather Do you agree? a) Plant fibres are obtained from ___ and ___ Question 3. b. America Cotton is sown between May and September in India and its harvesting begins from October. The dry leaves of the plants are kept in water for a few days. (b) jute Silk is comparatively elegant and lustrous in comparison to cotton. The process by which fibres are obtained from the stem of the plant is known as retting. b) Silk and wool. Question 15 The following is an answer given by Boojho to a question asked by his teacher— "Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres." Question 5. Jute plant is about 3 meters in height and bears yellow flowers in a few months. a. Proteins (c) Cotton fibre is fibre which is obtained from the leaves of the cotton plant. Natural fibres : Cotton, jute, silk, wool. Jute c. Linen, Question 9. Which part of the silk-making process is considered as being cruel by animal rights activists? Why does jute grow so well in the Sunderbans area? The silk worms feed on mulberry leaves and each worm spins a continuous thread, which is nearly 800 meters in length, to make a cocoon. Question 9. 2. Cotton and wool are both obtained naturally in the fibrous form and no artificial methods are necessary to get these fibres. coir : Ropes, floor covering , stuffing in mattresses and pillows. Which of these is not a property of nylon? Save my name, email, and website in this browser for the next time I comment. Nylon and polyester on the other hand are prepared artificially and are therefore synthetic fibres. d. Goat, Question 7. c. The process of removing hair from the body of animals, Question 8. Jute is sometimes also called as the golden fibre. Answer: The looms are either-hand operated or power operated. Jute is biodegradable, durable and strong. Two fibres that are used to make clothes are cotton and wool. Answer: We wear clothes to protect ourselves against the weather such as strong sunlight, extreme cold, heat or rain. Which of these is not a property of jute? Answer : C Solution : Jute flax and hemp are fibres obtained from phloem. a. Question 1. Cotton Name one fibre each that is: Silk moisture permeability is 1.5 times more than cotton which means it can absorb or dissipate the gases released by humans. Nylon and polyester are called synthetic fibres. Spinning: The process of making yam from fibresis called spinning in this process fibres from a mass of cotton wool are drawn out and twisted, By this fibres come together to from yam. Patsun Yarn is obtained by braiding different fibres together. It is soft, shiny and long fibre with a silky texture. (a) leather During this period, the stem of the plant rots and the fibres (present in the stem) remain. b. Sheep c. Looms, Question 3. Which of these is the leading producer of wool today? d. Nylon b) Spinning is a process of making fibres Why is a spinneret used to make nylon but is not needed to make cotton or wool fibres? (a) Cotton Boiling silkworms alive to get silk is just one example of cruelty that we show towards animals. (b) Australia 5)thus,the jute fibre is obtained. Name and explain in one sentence each the steps involved in converting cotton growing on plants to cotton cloth. True. Answer: (d) polyester. d) The process of removing seed from cotton is called ginning. (d) Wrinkle free: Polyester is an example of a wrinkle free fibre. jute : Jute bags, hat, slipper, rope, matand sack Answer: Answer: The process of separating fibers from the seeds of cotton is called ginning of cotton. jute is obtained from the stem of a jute plant. (b) nylon Which properties of synthetic fibres make them useful? The fibres are then separated from the stem in long strands and washed in clear, running water. Answer: Question 6. c. Wool Students can Download Chapter 3 Fibre to Fabric Questions and Answers, Notes Pdf, KSEEB Solutions for Class 6 Science, Karnataka State Board Solutions help you to revise complete Syllabus and score more marks in your examinations. 4)the stems rot and the jute fibre is seperated by hand. (c) smoothness Cotton grows best in the black soil of south India or the alluvial soil of north India. 5. Before the invention of clothes, people covered their bodies with the skins of animals in cold weather or with leaves, barks, or grasses in warm weather. Which of these is not a fibre? (a) cotton Answer– True (d) Weaving of yarn makes a piece of fabric. For a few days Question: name the states where jute plants are bundled together and soaked in water about! Bark of jute plant not from the clothing and cools down the cool! Plant called ___ 5 continuous length of interlocked fibre which is woven knitted for making clothes are leather and,... 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