Question

REVISION CH.3 FIBRE TO FABRIC
I. Fill ups:
1. Bacteria called _______ cause a disease known as _______.
2. ______ are the small fluffy fibres on the wool.
3. ______ is the stage where the larva of a silk moth sheds its skin.
4. Washing of the sheared skin is known as_______
5. Silk thread is made up of ______.
II. Name:
1. Two types of silk.
2. Process of taking out silk threads from cocoon.
3. Process to obtain silk.
4. Two Indian breeds of sheep.
5. The most common silk.
III. Q.Ans:
Q1. With the help of flow chart name steps involved in the extraction
of wool.
Q2. What are the health hazards faced by the workers in silk industry?
Q3. Draw the life cycle of a silk moth.
Q4. What is shearing? How many times is it done?
Q5. What is the role of mulberry trees in the production of silk?

Answer 1

Answer:

Fill ups (dunno the 1st question)

2. Burrs

3. moulting

4. scouring

5. fibroin

Name:

1. Mulberry silk, Eri silk

2. reeling the silk

3. sericulture

4. Vembur, Neelagiri

5. Mulberry silk