FIBRE TO FABRIC:PROCESSING OF WOOL,SILK

WORKSHEET 4
FIBRE TO FABRIC


Q1. How will you identify silk, artificial silk  and wool fibres on the basis of burning?

Q2.Name the following:
a.most common silk moth
b.occupational hazard of wool industry
c.soft ,lustrous and elastic silk
d.place where Vicuna animal is found
e.four animals that yield wool
f.four varities of silk
g.sheep of this country are known to yield best wool
h.largest producer of wool in the world
i.maximum length of continuous silk thread from cocoon
j. scientific name of mulberry
k. process of taking out threads from cocoon
l.process of twisting together many reeled threads of silk
m.largest producer of silk in the world.
n.small fluffy fibres in wool
o.four Indian breeds of sheep and the quality of wool they produce
p.two wool yielding animals of South America
q. animal that produces pashmina wool
r. animal that produces angora wool
s. wool yielding animal found in tibet and ladakh
Q3. Give reasons;
1.woollen clothes keeps us warm
2.shearing is done in hot weather
3.shearing does not hurt the animal
4.cocoons are boiled to remove silk
Q4.Draw a flow chart to explain the processing of fibres into wool.
Q5. Draw a flow chart to explain rearing and processing of silk.
Q6.Draw a life history of silk moth.