1. Answer the following in brief:
(a) The cut off ‘wool coat’ of a sheep (along with a thin layer of skin) is called.
(b) What are silk fibres made up of?
(c) Coarse wool is obtained from which breed of sheep and in which state of India it is found?
(d) Name two fibres which are made up of protein?
Answers
Answer:
The process of cutting off the woollen fleece of sheep with a thin layer of skin is called shearing.
B)Silk fibres (B. mori) spun out from silkworm cocoons consists of fibroin in the inner layer and sericin in the outer layer. Each raw silk thread has a lengthwise striation, consisting of two fibroin filaments of 10–14 μm each which are embedded in sericin.
C) The Marwari sheep is raised for its wool, which is of coarse or carpet quality..
D) natural or synthetic fiber composed of protein. Natural proteins fibers include Wool, Hair, Fur, and Silk. Synthetic, or regenerated proteins fibers are generically called azlon fibers. Examples are zein, and casein fibers..
Hope it will help you
Answer:
The process of cutting off the woollen fleece of sheep with a thin layer of skin is called shearing.