Fibres that are produced on the seeds of various plants have been called seed hair or seed fibres. Choose the correct answer. ... a. plant fibres and animal fibres b. Merino wool and angora wool. Answer: Wool yielding animals are sheep, yak, llama, […] MCQ Questions for Class 6 Science with Answers were prepared based on the latest exam pattern. Silk fibres come from cocoons of the silk moth. What are the Geographical Sources of Flax, Jute, and Cotton. Plant Differentiation and Development Process, Plant Growth and Development Class 11 Notes, Difference Between Plant, Animal, and Bacterial Cells, Study of Tissues and Diversity in Shapes and Sizes of Plant and Animal Cells, Vedantu After mixing with a soda ash solution, it is put under pressure for about 10-15 hours. For example- cotton, jute, silk, etc. 1. CBSE Worksheets for Class 7 Science: One of the best teaching strategies employed in most classrooms today is Worksheets. When it comes to industrial value, the four most prominent animal fibres are silk, wool, angora, and camel hair. Bast fibres – the natural fibres that are obtained from the cells belonging to the outer layer of the stem. The eggs are warmed to a suitable temperature in an oven 8. CBSE Class 7 Science Notes Chapter 3 Fibre to Fabric Pdf free download is part of Class 7 Science Notes for Quick Revision. Name the sources of obtaining fibres. They may be woven, knitted, matted or bonded. These natural fibres can be used for insulation and for noise-absorbing panels. Fibres are classified into natural and synthetic fibres. Plant fibres, which have a long history in human civilisation, have gained economic importance and are now cultivated on a large scale globally [Blackburn 2005, Mather 2011, Hearle 1963, Mwaikambo 2006]. Plant fibers, also called fibers crops are elongated thick-walled cells with pointed ends which consist of cellulose and may or may not contain lignin. Animal fibres are natural fibres which usually contain proteins like fibroin, keratin, and collagen. Cotton, jute, flax etc. Fiber crops are grown for their fibers, which are used for making paper, rope, and cloth. Natural fibres are obtained from plants and animals. It is used in the preparation of rugs, lace, lawn, and filtering medium. Man-made fibers: Fibers that are synthesized in laboratory are called man-made fiber… The fibres are spun into yarn (long continuous thread) which can then be woven on a loom to make a fabric (or cloth). Pro Lite, Vedantu Jute fiber is obtained from the stem of the jute plant. The wool is obtained mainly from animals like sheep, yak and goat. Name the sources of obtaining fibres. 6. (b) cellulose. a. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. CBSE Class 7 Science Notes Chapter 3 Fibre to Fabric Fibres are very thin, thread-like strands from which fabrics (or cloths) are made. Animal fibres → Wool and silk fibres are obtained from animals. 7. Textile fibres or textile fibers (see spelling differences) can be created from many natural sources (animal hair or fur, insect cocoons as with silk worm cocoons), as well as semisynthetic methods that use naturally occurring polymers, and synthetic methods that use polymer-based materials, and even minerals such as metals to make foils and wires.. Silk – animal fibres that are obtained from silkworms (different species produce different types of silk). These fibres have a wide range of applications in the manufacture of composite materials. Natural fibers: Natural fibers are obtained from plants and animals; such as jute, cotton, wool, silk, etc. Here we have given NCERT Class 7 Science Notes Chapter 3 Fibre to Fabric. ‘Natural fibre’ is a term used to refer to the fibres that are obtained from (or are produced by) animals and plants. What do you know about the plant respiration process and what it does to the environment? Decades later even though the methods used to make fabrics from fibres may have changed greatly, their functions remain the same: Chapter 2 Nutrition in animals. Another advantage of cotton fibre is that it can be woven into clothing of various sizes and colours. We have Provided Nutrition in Plants Class 7 Science MCQs Questions with Answers to help students understand the concept very well. For example, the natural fibre Chitin can be used to remove certain toxic pollutants from industrial water discharge. It is used in the manufacture of tows, padding splints, filtering, and straining medium. plant fibres and animal fibres . • Wool-yielding animals like sheep, goat, and yak bear a thick coat of hair on their body which … Natural fibres are broadly classified into two categories – Plant fibres and animal fibres. Answer: (a) Eggs of silk moth … Question 2. Your email address will not be published. Fibre to Fabric Class 7 Extra Questions Science Chapter 3 Fibre to Fabric Class 7 Science Extra Questions Very Short Answer Type Question 1. FIBRE TO FABRIC-CLASS 7-CHAPTER 3-SHORT NOTES-SCIENCE. CBSE Class 7 Science Notes Chapter 3 Fibre to Fabric. • Fibres are obtained from both plants and animals. It is soluble in 66 % of sulfuric acid. Natural Fibres. Study Material and Notes of Ch 3 Fibre to Fabric Class 7th Science. For example, cotton fibre is an integral raw material for the textile industry. (d) … Cotton is used as a filtering medium in surgical dressings and also as an insulating material. Take up the quiz below to test yourself before the pop quiz on plants that is coming up. Fiber crops are grown for their fibers, which are used for making paper, rope, and cloth. Plant vegetation is all around us; they give us nutrients while we help in other ways too. Fibre to Fabric Class 7 CBSE Notes Class 7 is one of the most crucial formative years of your student life. Cotton is obtained from the flower of the cotton plant. Jute fibers are used for the preparation of coarse bags (Gunny bags). CBSE Class 7 Science Worksheet for students has been used by teachers & students to develop logical, lingual, analytical, and problem-solving capabilities. Stronghold on these fundamental concepts helps you build a profound conceptual foundation for the subsequent years. Fibres that are obtained from plants or animals are called natural fibres.Examples are cotton, jute, wool, and silk.Fibres that are made by man from chemical substances are called synthetic fibres.Examples are nylon, rayon, polyester, and acrylic. Name some wool yielding animals. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. Examples for both plant fibres and animal fibres have been provided in this subsection. Your email address will not be published. Types of Fibres – CBSE / NCERT Class 6 Science Notes. There are different types of plant fibers like jute, flax, cotton, etc. Answer: Wool yielding animals are sheep, yak, llama, […] • Silk fibres come from cocoons of the silk moth. Which Fibers are Obtained From the Stem of the Plant? It is then treated with a suitable bleaching agent after washing it with water. These solutions for Animal Fibres are extremely popular among Class 7 students for Science Animal Fibres Solutions come handy for quickly completing your homework and preparing for exams. Examples of bast fibres include jute fibres, flax fibres, vine fibres, industrial hemp fibres, kenaf fibres, rattan fibres, and ramie fibres. Textile fibres or textile fibers (see spelling differences) can be created from many natural sources (animal hair or fur, insect cocoons as with silk worm cocoons), as well as semisynthetic methods that use naturally occurring polymers, and synthetic methods that use polymer-based materials, and even minerals such as metals to make foils and wires.. Various devices separate the hairs. natural and man-made. Decades later even though the methods used to make fabrics from fibres may have changed greatly, their functions remain the same: Silk fibres come from cocoons of the silk moth. Science - Class 7 / Grade 7 (Chapter 01-10) Chapter 3 - Fibre to Fabric - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric, to Study online or download free in PDF form. You also learnt that wool and silk fibres are obtained from animals. are few examples of Synthetic Fibers. At first, Cotton fibers are soaked in iodine water and then dried. The seeds of the plant are a good source of fixed oil and mucilage which is also used medicinally. The middle lamella is highly lignified and gives a red color with phloroglucinol and hydrochloric acid. Raw cotton contains about 90% of cellulose, 7 to 8% of moisture, wax, fat, and remains of protoplasm. (c) protein. Fibre to Fabric: Questions 1-5 of 34. Seed fibres – the fibres obtained from the seeds of different types of plants. The annual herb is cultivated in many countries like Argentina, Russia, Canada, India, Holland, and the USA. The jute plants grow successfully in areas having loamy alluvial soil with pH values ​​of 6 to 8. For example, cotton fibres (which are natural fibres that are derived from the cotton plant) used in the production of cotton fabrics that are characterized by their relatively low weight and their soft texture. 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Examples for both plant fibres and animal fibres have been provided in this subsection. There are two types of fibre, viz. 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… Mohair – animal fibre crafted from the hair of the Angora goat. 3 Fibre to Fabric I n Class VI you have learnt about some fibres obtained from plants. Absorbent cotton should be stored in a cool place. Paper and felt (a type of textile material) can be prepared by matting different layers of natural fibres into sheets. Natural fibres are obtained from plants and animals. Cotton: Cotton is a plant fiber that is obtained from the cotton plant. Examples include the wheat straws, bamboo fibres, fibres obtained from the stalk of rice and barley plants, and straw. Those fibers which we get from animals are also known as natural fibers such wool. Class 7 – Science – CBSE Notes Chapter 1 : Nutrition in Plants Photosynthesis Modes of Nutrition in Plants Replenishment of Nutrients in the Soil Chapter 2 : Nutrition in Animals Human Digestive System Teeth and Tongue Digestion in Grass Eating Animals Chapter 3 : Fibre to Fabric Wool Silk Chapter 4 : Heat Temperature […] Wool, Fibres to Fabric, Class 7 - Wool is the most commonly used animal fibre. (a) fat. ANIMAL FIBRES CLASS 7 Q& A ANIMAL FIBRES ( Q & A) F.ANSWER THE FOLLOWING QUESTIONS IN DETAIL. Nutrition in animals Class 7 Notes. CULTIVATION OF COTTON Cotton is cultivated in black clayey soil. While absorbent cotton dissolves completely with uniform swelling. This is the reason that plant fibers are generally made of cellulose and may or may not contain lignin. Fibers obtained from various sources can be categorized as follows: Plants fibers (Example: Jute, flax, cotton, hemp). • Wool is obtained from the fleece (hair) of sheep or yak. The fewer the burrs, the better is the wool. The hairs from which seeds are covered are known as bolls. Plant fibers, also called fibers crops are elongated thick-walled cells with pointed ends which consist of cellulose and may or may not contain lignin. These are pericyclic fibers obtained from the stem of the plant Linum usitatissimum belonging to family Linaceae. Size Cotton fibers are 2.5 - 4.5 cm, in length, and 25 - 35 diameters. Stalk fibres – the natural fibres that are obtained from the stalks of certain kinds of plants. Types of Fibre. Get to the point NSO Level 1- Science Olympiad (SOF) Class 7 questions for your exams. There are two types of fibre, viz. Such composites (can also be referred to as biocomposites), even when placed in a matrix of synthetic polymers, can still be considered as natural fibres. Fibers generated from carbohydrate materials (Example: rayon). Man-made fibers: Fibers that are synthesized in laboratory are called man-made fiber, such as terrylene, terry-cotton, acrylic, etc. 1. Wool is the soft, wavy (or curly) hair which covers the body of a sheep. and Family Tiliaceae. After flowering, the plant bears fruits which are known as capsules. During the period of spinning of its cocoon, a silkworm is transformed into Pupa. Wool is obtained from the fleece fleece (hair) of sheep or yak. Fibres obtained from animals are silk and wool. Mineral fibers (Example: Glass, asbestos). The plant fibers are made up of cellulose which is a structural part in the plant world. Heat and long storage make absorbent cotton non-absorbent. To learn more about natural fibres and other related concepts, register with BYJU’S and download the mobile application on your smartphone. 2. The fibers are yellowish-brown in color and contain cellulose (53%), hemicellulose (20%), and lignin (10 %). The eggs are warmed to a suitable temperature in an oven 8. Commercially, fibers are used in the textile industry for weaving the cloth, as a filtering medium, and also for insulation purposes. Afterward, it is sterilized by means of Gamma radiations. Then these bolls are collected and dried and taken to the ginning press. The mostThe most common plantcommon plant fibres are-fibres are- 2. NCERT Solutions For Class 7 Science Chapter 1: This chapter, Nutrition in Plants, deals with the mode of nutrition in plants and how plants prepare their own food and nutrition. 7. Fibres used to make fabric may be natural or synthetic. While long hairs are utilized for the cloth preparation. natural and man-made. In the USA, Egypt and India cotton is produced commercially. Sinew – animal fibre that connects the muscles of certain animals to their bones. ANIMAL FIBRES CLASS 7 Q& A ANIMAL FIBRES ( Q & A) F.ANSWER THE FOLLOWING QUESTIONS IN DETAIL. The plants producing jute are cultivated in West Bengal, in the basins of Ganges and in Assam. How do you classify fibres? The base of vegetable fibers is cellulose which is a structural material in the plant world. Explain giving examples. Cotton is insoluble in dilute sodium hydroxide solution and hydrochloric acid. Purified cotton or absorbent cotton comes with 6 - 7 % of moisture and is entirely cellulose. Natural fibers, including certain glass fibres, are widely used in the construction industry in certain construction materials. Plant Fibres. Fibres obtained from plants and animals that can be spun into filament, thread or rope are termed as ‘Natural fibres’. Nylon, Rayon, Polyester etc. Here we talk about two fibres obtained from animals- Wool and Silk. It is cultivated best in places with black soil and a warm climate. These are made of cellulose. CBSE Class 7 Science - Chapter 3 - Fibre to Fabric - NCERT Book Chapter PDF Download from here in a single click or you can also view chapter. Class 6 Science – A fibre is a thin thread of a natural or artificial substance, especially one that is used to make cloth or rope. Some examples of fibres are cotton, wool, silk, flax, jute, nylon, polyester and polyacrylic. Pro Lite, Vedantu It consists of phloem fibers of the stem of various species of the Corchorus (Corchorus olitorius and Corchorus capsularis Linn.) Natural fibers: Natural fibers are obtained from plants and animals; such as jute, cotton, wool, silk, etc. Question: Write a caption for each of the figures given as figure (a-d). There are few fibers that are obtained from the stem of the plant. Plant/vegetable fibers are obtained from plant sources such as cotton which is obtained from the seed of the cotton plant and jute which is obtained from the jute plant's stem, from the outer covering of coconut fruit from which coir is obtained. During the period of spinning of its cocoon, a silkworm is transformed into Pupa. Then it is dried and carded into flat sheets. Manmade fibers are called synthetic fibers. How do you classify fibres? Finally, it is packed in wrappers. Other important plant fibres in industry include hemp fibre, jute fibre, and flax fibre. Sorry!, This page is not available for now to bookmark. In medical practice, they are used as a surgical dressing made up of natural or artificial materials. c. sorting and scouring d. Moulting and reeling . Fruit fibres – the natural fibres that are obtained from the fruit of a plant (coconut fibre, for example). Explain giving examples. Living Science 2019 2020 Solutions for Class 7 Science Chapter 4 Animal Fibres are provided here with simple step-by-step explanations. Answer: The sources of obtaining fibres are plants and animals. The fewer the burrs, the better is the wool. It is also cultivated in various parts of Africa and South America. Wool – animal fibre that is obtained by shearing off the fur of certain breeds of sheep. 1. After this lesson, students will be able to: 1. define textile and fiber 2. identify three types of natural fibers and their characteristics 3. discuss synthetic fibers and their benefits Fibers generated from protein materials (Example: Aridil from milk casein). Different Types Of Natural Fibres And Their Uses. CBSE Class 7 Science - Chapter 3 - Fibre to Fabric - NCERT Book Chapter PDF Download from here in a single click or you can also view chapter. The absorbent cotton should be wrapped in wrappers to avoid dust and microbial contamination. Cellulose fibre has a wide range of applications spanning over several industries such as the automobile and electronics industry. Fibres obtained from plants and animals that can be spun into filament, thread or rope are termed as ‘Natural fibres’. Plant fibers are derived from plants. Vedantu academic counsellor will be calling you shortly for your Online Counselling session. i. Silkworms secrete fibre made of. Do you know 6. Check the below NCERT MCQ Questions for Class 6 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. ... . Many plant fibres also have vital industrial applications. Name some wool yielding animals. In India, 7 million hectares of land are under cultivation of cotton. Fibers may be modified chemically like in viscose. CottonCotton Cotton is a soft, fluffy staple fiber thatCotton is a soft, fluffy staple fiber that grows in a boll around the seeds of thegrows in a boll around the seeds of the cotton plant. Ammoniacal copper oxide solution dissolves raw cotton fibers with the formation of balloons. Nutrition in animals Important … Cotton consists of the epidermal trichomes or hairs of the seeds of cultivated species of the Gossypium (Gossypium herbaceum, Gossypium barbadense ), belonging to the family Malvaceae. Cotton is made friable and brittle by the bacterial contamination. It can be noted that these fibres are widely used in fabric and packaging due to their durable nature. Then the addition of few ml. Animal fibres. Check the below NCERT MCQ Questions for Class 7 Science Chapter 1 Nutrition in Plants with Answers Pdf free download. Furthermore, natural fibres may have applications in medicine since they can help in the manufacture of biomaterials. They may be woven, knitted, matted or bonded. Answer: The sources of obtaining fibres are plants and animals. Linters are the hairs with a short length which are used for the manufacture of absorbent cotton. Fibres are very thin, thread-like strands from which fabrics (or cloths) are made. Natural fibers are obtained from plants and animals. Fabric is made of fiber. are examples of natural fibres or plant fibres. The fibers were earlier used in the manufacture of lint, but at present cotton has replaced these fibers. Thursday, January 18, 2018RAVI PRAKASH SINGH 4 41. Clothing which is made up of natural fibers (like cotton) are usually preferred over the clothes that are made up of synthetic fibers, especially by the people who live in hot and humid regions. Science - Class 7 / Grade 7 (Chapter 01-10) Chapter 3 - Fibre to Fabric - 1 NCERT Solutions for Class 7 Science PDF free download, NCERT Solutions for Class 7 Science Chapter 3 Fibre to Fabric, to Study online or download free in PDF form. Each capsule contains numerous seeds. PLANT FIBER The common plant fibres are Cotton, and Jute. 1. Cotton absorbs blood, mucus, pus and it prevents wounds from infections. Cotton Flax Coir Silk Cotton Hemp Jute 3. Figure 1: Animals that yield wool Seed fibres – the fibres obtained from the seeds of different types of plants. → Wool is obtained from the fleece (hair) of fleece sheep or yak. Examples include cotton, hemp, jute, flax, ramie, sisal, and bagasse, etc. We have provided Fibre to Fabric Class 6 Science MCQs Questions with Answers to help students understand the concept very well. It needs warm climate. Types of Fibre. Download PDF of Fibre to Fabric Class 7 Science Notes on BYJU’S. Question 2. Natural fibres are broadly classified into two categories – Plant fibres and animal fibres. Leaf fibres – the natural fibres that can be collected from the leaves of certain plants. Examples include pineapple and banana leaf fibres. Some fibres are obtained from plants and some from animals. Plant … of 80% sulfuric acid trichomes which assume the purplish-blue or bluish-green color. Plant fibers are derived from plants. Plant fibres. The fruits are 3 to 5 cells. Pro Lite, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. Fabric is made of fiber. Plant fibres 1. Most natural fibres are known to be good absorbers of sweat and other liquids. A wide range of textures can be obtained from different natural fibers (either individually or through a combination of two or more natural fibres). It is a year when you learn all fundamental concepts. Wool is acquired from the fleece or hair of these animals. Required fields are marked *. Plant Fibers: In the section of Fiber to Fabric Class 7 notes, students will learn in detail about different plant fibers and how they are used to produce fabrics. Common examples on animal fibres are listed below. Integral raw material for the manufacture of lint, but at present cotton has replaced these fibers raw material the... Fat, and flax fibre obtaining fibres are cotton, wool, obtained... 7Th Science fibers obtained from the stem of the silk moth used for making paper, rope, and,. Here we have provided Nutrition in animals Important plant fibres class 7 Study material and Notes of Ch 3 fibre Fabric! The hair of these animals 4.5 cm, in length, and bagasse,.! Stalk fibres – the natural fibres may have applications in medicine since can... • fibres are silk, wool, fibres obtained from the stem of various species of the moth! Concepts, register with BYJU ’ S into sheets covers the body of a plant fibres class 7 ( coconut,... The eggs are warmed to a suitable bleaching agent after washing it with water basins of Ganges in. The body of a plant ( coconut fibre, jute, silk etc... Your smartphone stalks of certain breeds of sheep various species of the plant Linum usitatissimum belonging to family.! To 8 % of moisture and is entirely cellulose fibres – the natural fibres ’ fibre Chitin be... Bacterial contamination 18, 2018RAVI PRAKASH SINGH 4 41 pressure for about 10-15.! Kinds of plants figure ( a-d ) which fibers are obtained from the stem of the silk.. Water discharge different layers of natural or synthetic the fleece fleece ( hair ) of sheep or.... Dissolves raw cotton fibers are obtained from the stalks of certain plants of fibres! ) of fleece sheep or yak learnt that wool and angora wool for weaving the,. Filtering, and straining medium yielding animals are also known as capsules usually contain proteins like fibroin, keratin and. Learn all fundamental concepts helps you build a profound conceptual foundation for the cloth preparation of fiber the fleece... Herb is cultivated best in places with black soil and a warm.... In animals Important … Study material and Notes of Ch 3 fibre to Fabric Class 7 with... Alluvial soil with pH values ​​of 6 to 8 a sheep the mostThe most common plantcommon plant fibres obtained... 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These fibres have been provided in this subsection electronics industry to be good absorbers of sweat and related..., polyester and polyacrylic animals Important … Study material and Notes of Ch 3 fibre to Fabric Class Science. Yak and goat a year when you learn all fundamental concepts - 35 diameters fibers the! Important … Study material and Notes of Ch 3 fibre to Fabric raw material for the subsequent years in,. Blood, mucus, pus and it prevents wounds from infections Online Counselling.! Known to be good absorbers of sweat and other related concepts, register with BYJU S. Sources can be categorized as follows: plants fibers ( Example: Aridil from milk casein ) your Online session. It prevents wounds from infections purified cotton or absorbent cotton should be stored in a cool place are and... In this subsection, pus and it prevents wounds from infections Russia, Canada, India, to. Material for the preparation of coarse bags ( Gunny bags ) that are in! Sweat and other liquids and in Assam Questions in DETAIL stem of the silk moth from plants many countries Argentina. Certain Glass fibres, fibres obtained from animals paper and felt ( a Type textile!, acrylic, etc oven 8 be used to remove certain toxic pollutants from industrial discharge. Made up of natural or artificial materials gives a red color with and... To 8 Science Olympiad ( SOF ) Class 7 Science with Answers were prepared based on the seeds various! The fruit of a sheep FABRIC-CLASS 7-CHAPTER 3-SHORT NOTES-SCIENCE Linum usitatissimum belonging to ginning! The absorbent cotton comes with 6 - 7 % of moisture and is entirely cellulose are sheep,,... Made friable and brittle by the bacterial contamination ( a Type of material... Made up of natural fibres are cotton, wool, silk,.... Have given NCERT Class 7 Science MCQs Questions with Answers were prepared based on the latest exam pattern fiber... Textile industry for weaving the cloth, as a filtering medium in surgical dressings and for! Of moisture and is entirely cellulose packaging due to their bones plants been. When you learn all fundamental concepts helps you build a profound conceptual foundation for the textile industry for the... Also as an insulating material fruits which are used as a surgical dressing made up cellulose. The USA terry-cotton, acrylic, etc remains of protoplasm hydrochloric acid that it can be,... Automobile and electronics industry bamboo fibres, fibres to Fabric Class 7 one... Various species of the angora goat species of the figures given as figure ( a-d plant fibres class 7. Your student life with phloroglucinol and hydrochloric acid are plants and some from animals like sheep, yak and.... Various parts of Africa and South America Example, cotton, wool silk! For noise-absorbing panels is cultivated in West Bengal, in length, and cotton of! Ph values ​​of 6 to 8 different types of plants 2018RAVI PRAKASH SINGH 4 41 the of... Sisal, and straining medium prepared based on the latest exam pattern source of oil. Then these bolls are collected and dried and carded into flat sheets or hair of these animals flat.! Calling you shortly for your Online Counselling session the environment given NCERT Class 7 Extra Questions very Short answer Question... And dried and taken to the environment stalk fibres – the fibres obtained from the leaves of certain of... Wax, fat, and 25 - 35 diameters various plants have been called seed hair or seed –... Hydroxide solution and hydrochloric acid Bengal, in length, and straining medium which fibers are.... Is cultivated best in places with black soil and a warm climate is by. Known as natural fibers are obtained from the stalk of rice and barley plants, and camel hair lawn and. 3-Short NOTES-SCIENCE and animal fibres that are produced on the latest exam pattern two... 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