d) The process of removing seed from cotton is called ginning. Question 1. Fiber or fibre (from Latin: fibra) is a natural or man-made substance that is significantly longer than it is wide. B) done clear. Paheli wants to present her friend a gift made of plant-fibre. Answer: Cotton is obtained from the fruits of the cotton plant, called cotton balls. Toggle navigation 0 . NCERT Exemplar Class 6 Science Chapter 3 Fibre to Fabric. asked Jan 27, 2018 in Science by Rohit Singh (64.3k points) fibre to fabric; class-6; Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. If the sepals of a flower are jointed, then the pistil is jointed to the petal. The types of plant fibre include seed fibres, bast fibres and hard fibres. Types of Fibres, Fibre to Fabric, Class 6. Question-answers (Fibre to Fabric) Multiple Choice Questions 1. Free Question Bank for 7th Class Science Fibre to Fabric Fibre to Fabric. Answer: The number of petals and sepals in a flower can be equal or different. c) Jute is the outer covering of coconut. (a) Silk is a plant fibre. Question 1: Paheli wants to present her friend a gift made of plant fibre. 1 medium banana, 1 cup of Cheerios, 6 oz. (c) Weaving is a process of arranging two sets of yarn together. Some of the natural fibers like vegetable fibers are obtained from the various parts of the plants. After harvesting, the stalks of jute plants are bundled together and soaked in water for about 20 days. (d) Cotton yarn on burning gives an odour similar to that of a burning paper. O Cortex Fibers. This problem has been solved! Bile: a. is stored in the gall bladder b. is not stored in the body c. is stored in the stomach d. is stored in the pancreas e. is stored in the small intestine 9. (a) Jute bag (b) Woollen shawl (c) Silk saree (d) Nylon scarf Solution: (a) Jute bag Jute bag is made up of plant fibre. The stems rot (the process is called retting) and fibres are separated by hand. These fibres are … (a) Silk is a plant fibre. A natural fibre may be further defined as an agglomeration of cells in which the diameter is negligible in comparison with the length. (ix) Which of the following is a plant fibre? The numbers of petals and sepals in a flower is always equal. Jute fibre is. Bast fibers. Seed fibres are collected from seeds or seed cases. Approximately ow many grams of carbohydrate are in the following breakfast? Fiber crops. A) done clear. O Xylem Fibers. If false, correct them. Answer: Stem conducts water to the leaves. 1. C) Fleece of sheep done clear. Question: Which Of The Following Is A Plant Fiber Collected From The Inner Bark Or Phloem Of Certain (mainly Dicotyledonous) Plants? Give two example of unstitched garments ___ and ___ Answers: 1. (b) Jute is obtained from the leaves of a plant. and do not require fiber formation or reformation are classed as natural fibers. The fibres which are obtained by blending natural and synthetic fibres are called (a) joint fibres (b) mixed fibres (c) real fibres (d) artificial fibres 2. The natural fibers are vegetable, animal, or mineral in origin. Which one of the following is the most complete and accurate definition of fiber? Fiber Cell Cytoskeleton. (a) Cotton (b) Jute (c) Wool (d) Polyster 3. Taproot: A taproot system like in a radish plant has a main root that grows down vertically, from … (b) The process of taking out threads from the cocoon to use as silk is called as _____ (c) The sheared hair of sheep is moved through tubes filled with soapy water to remove dust, dirt and grease. Railways; UPSC ... Cotton plant done clear. e.g. Fibre sclerenchyma is a cell companion to the xylem and phloem. (c) Weaving is a process of arranging two sets of yarn together. You can refer to NCERT Solutions for Class 7 Science Chapter 1 Nutrition in Plants to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. See the answer. (a) Wool (6) Silk (c) Cotton (d) Nylon Answer: (c) Cotton is a plant fibre. The fibres are of two types:1 Natural fibres 2 Synthetic fibres. What is fibre? The stems of harvested plants are bundled and immersed in water for 10 to 15 days. This is … O Pith Fibers. Ramie, fiber plants grow along Chang Jiang river, edible with anti bacteria function. Which out of the following will she select? (a) Jute bag (b) Woollen shawl (c) Silksaree (d) Nylon scarf Solution: (a): Jute is a long, soft, shiny plant fibre that can be spun into coarse strong threads. They are provided by nature in ready-made form. It can help lower blood cholesterol and glucose levels. Bast fibres are collected from the inner bark or bast surrounding the stem of the plant. It appears as independent strands or cylinders. Choose the correct answer: Question 1. b) Animals fibres are silk and wool. (a) Grass has parallel venation in leaves (veins run parallel to one another on both sides of the mid rib) and fibrous root system (bunch of similar size fibre-like roots). The fibres are then separated from the … 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. Which of the following is used for making gunny bags? These fibres … Jute 3. State whether the following statements are true or false: a) Yarn is made from fibres. (a) Silk is a plant fibre. … Basic raw material from which fabric is made B. (d) Cotton yarn on burning gives an odour similar to that of a … Jute fibre is obtained from jute plant by the following steps: Retting: Jute fibre is obtained from the stalks of the jute plant. C) done clear. It is obtained from the stems of jute plants Corchorus). D) Paheli wants to present her friend a gift made of plant-fibre. The fibres which are obtained from natural sources like plants and animals are called natural fibres.The fibres which are prepared from chemical substances in … Silk and wool 2. (b) Jute is obtained from the leaves of a plant. State whether the following statements are true or false. If false, correct them. Which out of the following will she select? Structure #1 is _____ (1 pt) 2. All fibers which come from natural sources (animals, plants, etc.) M.L. Soluble fiber. Nutrition in Plants Class 7 MCQs Questions with Answers. Which of the following is a nutrient? Answer the following questions: Question 1. If false, correct them. As one of the components of optical fiber, the core and the cladding are commonly made from glass. A. b) Spinning is a process of making fibres. (b) Jute is obtained from the leaves of a plant. Although the cell adhesion molecule, N-cadherin, is found in both epithelial cells and fiber cells, it specifically localizes to fiber cell membranes upon differentiation. Dietary fiber (British spelling fibre) or roughage is the portion of plant-derived food that cannot be completely broken down by human digestive enzymes. Patsun 5. It has two main components: Soluble fiber – which dissolves in water – is generally fermented in the colon into gases and physiologically active by-products, such as short-chain fatty acids produced in the colon by gut bacteria. Fiber cells also develop an extensive cytoskeletal network. Shawl and Dhoti. obtained from the stem of the jute plant. e) Weaving of yarn makes a piece of fabric. POD QUESTION: Use the Rembrandt-like sketch (not included) of a pea pod with seeds to answer the following questions 1. (a) Silk is a plant fibre. It occurs in the ground and vascular tissues of a plant. Roots conduct water to the leaves. The following are some of the popular fibres used in the textile industry: 1) ... Linen fabric is obtained from the flax plant. If false, correct them. The strongest engineering materials often incorporate fibers, for example carbon fiber and ultra-high-molecular-weight polyethylene.. Question 2: Which of the following is the correct match between the characteristics of stem and the category of plant? 3. Out of these, two fibres (1 and 2) are obtained from plants and other two (3 and 4) fibres are obtained from animals. cotton and kapok. Robinson, in Encyclopedia of the Eye, 2010. Which out of the following will she select? Jute is obtained from a plant called ___ 5. State whether the following statements are true or false. A stringy substance from plants C. The hair of an animal D. Man-made threads and yarns (d) Cotton yarn on burning gives an odor similar to that of a burning paper. Fiber is commonly classified as soluble, which dissolves in water, or insoluble, which doesn't dissolve. Disaccharide Monosaccharide glycogen Starch. Show transcribed image text. Fibers are often used in the manufacture of other materials. Q2. (c) Weaving is a process of arranging two sets of yarn together. O Bast Fibers. Cellulose 4. Answer 14 (a) False (b) False (c) True (d) True 4. Short answer: Using complete sentences, answer the following question. . It is found associated with the primary and secondary xylem. State whether the following statements are true or false. But other materials may be used if the fiber’s performance must be balanced with the cost of installing the fiber, fitting it with connectors, and ensuring that it is properly protected from damage. Soluble fiber is found in oats, peas, beans, apples, citrus fruits, carrots, barley and psyllium. This type of fiber dissolves in water to form a gel-like material. Question 4: From which parts of the plant cotton and jute are obtained? However, one serving — or one-third of the fruit — provides about 4.5 grams, 1.4 of which are soluble (9, 10). (a) Weak stem which cannot stand upright: Creeper (c) Weaving is a process of arranging two sets of yarn together. (d) Cotton yarn on burning gives an odour similar to that of a burning paper. Read more about seed fibres. 0 . (b) Jute is obtained from the leaves of a plant. Describe, with as much detail as possible, how guard cells are regulated. Based on the shape, the fibre cells subdivides into the two following groups: Xylary Fibre. Natural fibre, any hairlike raw material directly obtainable from an animal, vegetable, or mineral source and convertible into nonwoven fabrics such as felt or paper or, after spinning into yarns, into woven cloth. ___ is an example of dietry fibre. III. Rich in both soluble and insoluble fiber, avocados really stand out in this regard. (a) The plant fibres are made up of _____ which is a structural material in the plant world. O Core Fibers. Dicots have a tap root system which is the primary root system, while monocots have a fibrous root system that looks like fiber, and is also known as an adventitious root system. (x) The right time to cut jute plants is (a) matured stage (b) before flowering stage (c) flowering stage (d) any time after flowering Answer: (c) Jute plants are usually cut at the flowering stage. Fibre (1) is used in filling quilts and the yarn made of fibre (2) is used in making gunny bags, The yarn made from fibre (3) is used for knitting sweaters and yarn of fibre (4) is … Dietary fiber: a. binds to bile b. is indigestible plant material c. speeds the movement of chime d. all of the above e. is important to maintain health 8. a) Plant fibres are obtained from jute and cotton. State whether the following statements are true or false. Which of the following is a complex plant polysaccharide? 14. 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