6th std science third lesson of textbook questions and answers
Answers
Answer:
.Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute.
Ans. Natural fibres: wool, cotton, jute, silk.
Synthetic fibres: nylon, polyester.
From which part of the plant cotton and jute are obtained?
Ans.
(i) Cotton – Cotton bolls (from the surface of cotton seeds) (fruit)
(ii) Jute – Stem
Name two items that are made from coconut fibre.
Ans.
(i) Ropes
(ii) Mats
Explain the process of making yam from fibre.
Ans. Yarns are made up of thin strands called fibres. The process of making yam from fibres is called spinning. In this process, a mass of cotton wool are drawn out and twisted. This brings the fibres together to form yarn.
. What are fabrics?
Ans. Fabrics mean a woven material, textile or other materials resembling woven cloth.
Define ginning of cotton.
Ans. The process of separating fibres from the seeds of cotton is called ginning of cotton.
What is jute?
Ans. Jute is a fibre obtained from the stem of a jute plant.
Name the states where jute plants are mainly grown in India.
Ans. West Bengal, Bihar and Assam.
What is spinning?
Ans. The process of making yarns from fibres is called spinning.