Subject :NSO Class : Class 7
The given figure shows steps involved in the process
of wool yarn making. Identify steps a, b, c, d and
e and select correct option regarding them:
A In many parts of the world, step 'a' is done once
a year. It harms the sheep and is painful.
B Steps 'b and c' show the process of scouring,
during which workers are at high risk of getting
respiratory diseases.
C Step 'd' converts wool fleece into narrow untwisted
fibres called slivers.
D Step 'e' depends on the length of the fibres.
Long fibres are used for making tweeds and
flannel whereas short fibres are used in making
gabardines.
Ans 1:
Class : Class 7