The following are the steps involved in the processing of wool fibres.
A. The fibres are washed to remove dirt and then dried.
B. The fleece of the sheep is removed.
C. The woollen yarn is then dyed in various colours.
D. The fibres are then combed to straighten them.
E. The fibres are then spun into yarn.
F. The fleece is then sorted according to texture and quality.

The correct sequence in which this process takes place is ____________________
(a) B, A, E, D, F, C
(b) C, E, D, F, A, B
(c) A, B, F, D, E, C
(d) B, A, F, D, E, C

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Solution

(d) B, A, F, D, E, C

The fleece of the sheep is removed. The fibres are washed to remove dirt and then dried. The fleece is then sorted according to texture and quality. The fibres are then combed to straighten them. The fibres are then spun into yarn. The woollen yarn is then dyed in various colours.

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Question 7

The general process that takes place at a sheep shearing shed is
(a) removal of fleece.
(b) separating hair of different textures.
(c) washing of sheep fibre to remove grease.
(d) rolling of sheep fibre into yarn.

Q. Match the terms given in Column I with the statements given in Column II.

Column I	Column II
(a) Weaving	(i) A single yarn used to make a fabric
(b) Knitting	(ii) Combing of cotton fibres to remove Seeds
(c) Spinning	(iii) Yarns are made from these thin strands
(d) Ginning	(iv) These are spun from fibres and then used to make fabrics
(e) Fibre	(v) Process of arranging two sets of yarns together to make a fabric
(f) Yarn	(vi) Process of making yarn from fibres

Q. D, E, F are the mid-point of the sides BC, CA and AB respectively of ΔABC. Then ΔDEF is congruent to triangle

(a) ABC

(b) AEF

(c) BFD, CDE

(d) AFE, BFD, CDE

Q. In the figure

A D

and

B E

are medians of

△ A B C

and

B E ∥ D F,

then

C F =

Q. ABCD is a parallelogram and E and F are the centroids of triangles ABD and BCD respectively, then EF =

(a) AE

(b) BE

(c) CE

(d) DE

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