The stems are harvested jute plants are immersed in water for a few days. f) Silk fibre is obtained from the stem of a plant. It is cultivated during the rainy season. The fibers are bound together by gum materials (pectin) that maintain bundles of fibers drawn with non-fibrous tissue of jute … Jute. e) Weaving of yarn makes a piece of fabric. Jute fibre is obtained from the stem of the jute plant. Jute fibre is obtained from the stem of the jute plant. Examples include cotton, hemp, jute, flax, ramie, sisal, and bagasse, etc. Answer (b) natural fibres Some fibres such as cotton, jute, silk and wool obtained from plants and animals are called natural fibres. The best fibre quality is achieved when jute is harvested early when about 50% of the plants are in pod; with C. olitorius at 90 days after planting, C. capsularis at 100 days. The stems of the harvested plants are immersed in water for a few days. Jute fiber is a long, soft, shiny, cheap and non-toxic fiber that can be woven into strong coarse yarn. In stagnant water gummy matter that holds the fibres with its stem is eaten away by bacteria. Number of yams used to make fabric by weaving and knitting are (a) two sets of yams in each case (b) single yam in each case (c) two sets of yams in weaving and single in knitting a) Yarn is made from fibres. Silk is a animal fibre which is obtained from silkworm. In India, jute is mainly grown in West Bengal, Bihar and Assam. d) The process of removing seed from cotton is called ginning. 1) Jute : Jute is one of the most used fibres which we get from the stem portion of the jute plants. Jute fibre is also known to be quite soft. Jute plant are harvested from the fields when they are at flowering stage. Higher yields are achieved by harvesting after 100 days but the fibres are then of lesser quality. Jute is the best fiber obtained from the internal bast tissues of the plant stem. Jute fibre is cultivated during the rainy season. Another desirable property of jute is that it is quite lustrous. (b) False, Jute is obtained from the stem of a jute plant. Jute fibre is obtained from the stem of a jute plant. The uniformity of the fibres obtained from the jute plant also makes them highly desirable commercially. Jute crop is cultivated in the rainy season. Thus, option C is correct. (c) True (d) True. Natural bast Fibers are strong, cellulosic fibers obtained from the phloem or outer bark of jute, kenaf, flax and hemp plant. After cutting of jute plants it is left for some days in the field when leaves are dried up these are immersed in stagnant water. 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. c) Jute is the outer covering of coconut. b) Spinning is a process of making fibres. 2) Flax : Flax fibre is a soft and smooth fibre which is obtained from the stem portion of the flax plants. They support the conductive cells of the phloem and provide strength to the stem. Answer: (a) stem of jute plant Explanation: Jute fibres are obtained from the stem of jute plant. Jute is mainly grown in West Bengal,Bihar and Assam. Jute plants yield fibres of relatively high length. Jute fibres are relatively cheap and therefore affordable by many people. Question 6. The jute plant is normally harvested when it is at flowering stage. Some fibres such as cotton, jute, silk and wool obtained from plants and animals are called: (a) synthetic fibres (b) natural fibres (c) silver (d) none of these. g) Polyester is a natural fibre. Jute fibres are bast fibres (phloem fibres).
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