Q5. 6th Science Chapter 3 Important Questions Set – 3. Answer the following questions: Question 1. Answer: The jute plant is normally harvested at flowering stage. The fibres are then separated from the stem by hand. Cotton wool . Flax is one of the oldest textile fibers. Jute. true and false.6 all clothes are made from weaving yarns. The harvested plants are left in field for 3 days for the leaves to shed. In India, the plant is cultivated in the states of West Bengal, Bihar, Uttar Pradesh, Assam, Meghalaya, Orissa, and Tripura. (B) Hair of sheep. For example, polyester, nylon, and acrylic etc. (A) Leaves (B) Root (C) Stem (D) Both leaves and stem. Generally, jute plants grow up from five to fifteen feet in height. When the jute plant is at its flowering stage, it is harvested. There are two types of retting: stem and ribbon. A) Both A and R are true and R is the correct explanation of A. done clear. obtained from the stem of the jute plant. Q 5. MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. Jute was once known as the golden fibre of Bangladesh, since it was the most important cash crop for the country. • It is the cheapest vegetable fibre procured from the bast or skin of the plant's stem and the second most important vegetable fibre after cotton, in terms of usage, global consumption, production, and availability. C. capsularis and C. olitorius. 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 (d) single yam in weaving and two sets in knitting . Jute is extracted from the fiber of jute tree that is obtained after prolonged soaking in water. 2. coir is used for making clothes.true and false. Answer: (i) Jute Sack bags (ii) Ropes Q8: Name two items that are made from coconut fibre. knitting changes yarn into fabric. Jute fibres are obtained from the stem of jute plant. Jute. Ropes, basket, door mat, Mattress etc. Answer: Jute bags, ropes and Foot mats. Q4. Question: Explain how jute is obtained from the jute plant. Answer. 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. Its leaves grow on its stem which is covered with thick bark. It is an important fiber yielding crop of the Indian subcontinent and also some of the countries of southern Asia including China since millions of small and marginal farming families earn their livelihood on its cultivation. Mention the states name where jute plant harvested. The six physical parameters viz., strength, fineness, colour, root content, defects and density of jute fibres are assessed for sorting out the fibre into eight differ - ent grades. What is oil lamps wick made of? Its diameter varies from 40 to 80 μm. These plants are native to the Indian subcontinent and are grown throughout the year. Answer: The process of making yarn from fibres is called spinning. Flax fiber is obtained from the inner bark of the stem of a plant grown in temperate and subtropical regions of the world.
(iv) In which state of country, jute growing is a major source of income. Ans. Jute is obtained from the plants Corchorus olitorius and Corchorus capsularis. Give two example of unstitched garments ___ and ___ Answers: 1. Question 6: Explain the process of making yarn from fibre. Check the below NCERT MCQ Questions for Class 8 Science Chapter 3 Synthetic Fibres and Plastics with Answers Pdf free download. The leaves of C.capsularis taste bitter on chewing; hence it is known as tita (bitter) jute whereas C.olitorius is mitha (sweet) jute. Beneath the bark of the two cultivated species of Corchorus, namely capsularis... From which part of the plant the fibres are obtained from the stem of the plant or fiber to... Term used for wrappings, bindings, etc to transform itself into awe inspiring artifacts and handicrafts with flax hemp! Is extracted from the stem and ribbon ( outer skin ) of the two cultivated of., it is obtained from a plant grown in West Bengal, Bihar and Assam fiber... 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